How to Reduce Heat Gain in Your Home

Keep Your Home Cooler This Summer

BBSA research found that correctly specified internal blinds reduced test room temperatures by around one third

During warmer weather, many homes become uncomfortably hot because sunlight passes through the glass and gradually builds up inside the room. Managing this solar heat before it enters your home is one of the most effective ways to improve comfort without relying solely on fans or air conditioning.

When sunlight passes through glazing, it carries both solar energy and ultraviolet (UV) rays — the same energy you feel as warmth when standing outside on a sunny day. Once that energy enters the room, much of it becomes trapped, causing internal temperatures to rise.

This process is commonly known as the greenhouse effect and is most noticeable in rooms with large areas of glazing, such as conservatories, modern extensions, bifold doors, patio doors and south- or west-facing windows.

The Solar Control Event: Beat the Heat

For a limited time, we're helping homeowners create cooler, more comfortable living spaces with a range of offers on blinds, shutters and solar control solutions.

Whether you're looking to reduce heat build-up in a conservatory, manage glare on television or computer screens, or improve comfort in south-facing rooms, our experienced team can help you choose the most suitable solution for your home.

  • 3 for 2 Venetian Blinds – ideal for flexible light control in sunny rooms.
  • Up to 25% Off Roller Blinds – including solar reflective and motorised roller blinds.
  • 20% Off 2 or More Plantation Shutters – a stylish long-term solution for light control, privacy and insulation.
  • 15% Off Pleated Blinds – ideal for conservatories, Perfect Fit systems, roof glazing and solar reflective fabrics.
  • 10% Off Vertical Blinds – perfect for patio doors, bifold doors and wide glazed areas.
  • FREE Somfy Smart Home Hub when you purchase 3 or more Somfy Zigbee motorised blinds, making it even easier to automate your home and manage heat gain throughout the day.

Offers available from 5th July to 18th July. Terms and conditions apply.

View Current Offers & Terms »

20% Off 2+ Shutters

(Limited Time Only)

Why Some Rooms Become Much Hotter Than Others

Not every room experiences the same level of solar heat gain. The direction your windows face, the size of the glazing, the way the room is used and the movement of the sun throughout the day all influence how quickly temperatures rise.

Understanding these factors makes it much easier to choose the right combination of blinds, shutters and fabrics for each window. The most effective solution isn’t always the same for every room, which is why considering heat, glare, privacy and the way the space is used together usually delivers the best results.

What Causes Rooms to Overheat in Summer?

Rooms overheat because solar energy enters through the glazing faster than it can escape. The more direct sunlight a window receives, the greater the potential for heat to build up inside the room.

Several factors influence how quickly this happens:

  • The amount of direct sunlight reaching the window
  • The direction the window faces, with south- and west-facing rooms generally receiving the most solar exposure
  • Large or uninterrupted areas of glazing, such as bifold doors, patio doors and conservatories
  • Heat becoming trapped inside once it has passed through the glass

Conservatories, modern extensions and rooms with extensive glazing are particularly susceptible because they often receive prolonged sunshine while providing fewer opportunities for heat to escape.

Why Do Some Rooms Get Hotter Than Others?

One of the biggest factors affecting comfort is the direction your windows face. As the sun moves around your home throughout the day, different rooms receive different levels of direct sunlight, meaning some spaces naturally experience much greater solar heat gain than others.

  • East-facing rooms receive strong morning sunshine and often become bright and warm early in the day, making bedrooms particularly susceptible to early morning heat and glare.
  • South-facing rooms receive the greatest amount of direct sunlight throughout the day and are usually the most prone to overheating during prolonged periods of warm weather.
  • West-facing rooms receive intense afternoon and evening sunshine, often causing living rooms, kitchens and family spaces to become noticeably warmer later in the day.
  • North-facing rooms receive the least direct sunlight and generally remain the coolest rooms within the home.

Window size also plays an important role. Large glazed areas such as patio doors, bifold doors, conservatories and modern extensions allow significantly more solar energy to enter the room, making effective solar control increasingly important during warmer months.

Why Can a Room Feel Hotter Than It Is Outside?

Many homeowners are surprised to discover that a room can become significantly hotter than the outside air temperature. This happens because sunlight passes through the glazing and becomes trapped inside, allowing heat to build up much faster than it can escape.

The effect is particularly noticeable in conservatories, garden rooms, modern extensions, and rooms with large areas of glazing where prolonged sunshine continues to add heat throughout the day.

  • Solar energy continues to enter through the glazing even when the outside temperature feels comfortable.
  • Large glazed areas allow more solar energy into the room than smaller windows.
  • Heat builds up gradually throughout the day, particularly in south- and west-facing rooms.
  • Without effective solar control, rooms may remain warm long after the sun has moved.

This is why managing sunlight before it enters the room is so important. Blinds and shutters work by helping to reduce solar heat gain at the window, slowing the build-up of heat and making rooms more comfortable throughout the day.

How Blinds Help Reduce Solar Heat Gain

Blinds and shutters help reduce solar heat gain by managing sunlight before it has a chance to warm the room. Rather than allowing the sun’s energy to pass freely through the glass, they help reflect, diffuse or limit the amount of solar energy entering the space.

By reducing how much solar energy enters through the window, rooms warm more slowly and remain more comfortable during periods of strong sunshine.

Managing Sunlight at the Window

The most effective way to reduce heat build-up is to manage sunlight at the glass before it has an opportunity to heat the room.

Depending on the blind type, fabric and installation, this may involve:

  • Reflecting a proportion of solar energy back towards the glazing
  • Diffusing direct sunlight to reduce glare and heat intensity
  • Limiting direct solar exposure during the hottest part of the day
  • Reducing the amount of heat transferred into the room

The closer a blind or shutter is positioned to the glazing, the more effective it can be at helping to manage solar heat gain.

Setting Realistic Expectations

Blinds and shutters are designed to help prevent rooms from overheating rather than actively cool them once heat has already built up.

Used correctly, they can:

  • Slow the rise in indoor temperatures during sunny weather
  • Improve comfort in south- and west-facing rooms
  • Reduce glare while maintaining useful natural daylight
  • Help reduce reliance on fans and air conditioning

However, it is important to understand that blinds and shutters:

  • Do not actively cool the air like an air conditioning system
  • Cannot remove heat that is already trapped inside the room
  • Work most effectively when lowered or adjusted before strong sunlight has heated the space

For the best results, blinds should be considered as part of an overall strategy for managing solar heat gain, helping to create a cooler, more comfortable home throughout the summer months.

Why Some Blinds Perform Better Than Others

Not all blinds reduce solar heat gain in the same way. The fabric, colour, construction and position of the blind all influence how much heat, glare and sunlight enter the room.

Choosing the right combination can make a noticeable difference to comfort during warmer weather, particularly in rooms with large areas of glazing or prolonged sun exposure.

  • Reflective or specialist-backed fabrics help reflect a greater proportion of solar energy away from the glazing.
  • Lighter-coloured fabrics generally reflect more sunlight than darker colours, which tend to absorb more heat.
  • Cellular and structured fabrics can help slow the transfer of heat through the blind.
  • Denser weaves reduce the amount of direct sunlight passing into the room, helping to improve comfort and reduce glare.

Rather than relying on a single feature, the best results usually come from selecting the right blind type, fabric and colour for the room, together with correct positioning and, where appropriate, motorised operation.

Why Solar Reflective Fabrics Are So Effective

Solar reflective fabrics are specifically designed to help reduce solar heat gain before it enters the room. Rather than allowing as much of the sun’s energy to pass through the glazing, these specialist fabrics help reflect a greater proportion of heat and ultraviolet (UV) rays back towards the window.

This helps reduce heat build-up, soften glare and create a more comfortable indoor environment during periods of strong sunshine, particularly in rooms with large areas of glazing.

Key features of solar reflective fabrics include:

  • Specialist reflective backings that help reflect solar heat away from the glazing
  • Reduced heat build-up during periods of prolonged sunshine
  • Lower glare while still allowing useful natural daylight into the room
  • Available in a range of colours, textures and performance fabrics
  • Suitable for roller blinds, vertical blinds and selected pleated blind systems

Solar reflective fabrics are particularly effective in conservatories, garden rooms, south-facing rooms, bifold doors, patio doors and other areas where managing heat and glare is a priority. During your consultation, we’ll help you choose the most suitable fabric based on the orientation of the room, the amount of glazing and how the space is used.

Dim-Out Fabrics and Solar Control

While solar reflective fabrics are primarily designed to reduce solar heat gain, dim-out fabrics focus on controlling the intensity of daylight entering the room. They soften bright sunlight, reduce glare and create a more comfortable environment without completely darkening the space.

Dim-out fabrics are particularly useful where visual comfort is just as important as temperature control.

  • Helps reduce glare on televisions, computer monitors and laptops
  • Creates more comfortable working, reading and viewing conditions
  • Softens harsh sunlight while maintaining useful natural daylight
  • Ideal for living rooms, home offices and south-facing spaces

Because dim-out fabrics continue to allow a controlled amount of daylight into the room, they help maintain a bright, welcoming environment while reducing the discomfort caused by direct sunshine.

In many situations, the most effective solution is to combine the right fabric with the appropriate blind type, positioning and, where suitable, motorised control to achieve the ideal balance between heat reduction, glare control and natural light.

Choosing the Right Solar Control Solution

There isn’t a single solution that’s right for every window. The most effective way to reduce solar heat gain depends on how the room is used, the amount of glazing, the direction the window faces and whether heat, glare or privacy is your main priority.

Different fabrics are designed to solve different problems:

  • Solar reflective fabrics focus on reducing solar heat gain by reflecting a greater proportion of the sun’s energy back through the glazing.
  • Dim-out fabrics help soften bright daylight and reduce glare while maintaining a comfortable level of natural light.
  • Blackout fabrics are designed to provide maximum room darkening and are often chosen for bedrooms or media rooms where light control is particularly important.

During your consultation, we’ll help you compare the available fabric options and recommend the most suitable combination of blind type, fabric, colour and operation for your home. This ensures you achieve the right balance between heat reduction, glare control, privacy and overall appearance.

How Different Fabrics Manage Heat and Light

Different blind fabrics manage sunlight in different ways. Some are designed to reflect solar energy away from the window, while others soften daylight, reduce glare or limit the amount of heat entering the room. Understanding these differences helps explain why certain blinds perform better than others in strong sunshine.

In general, fabrics control solar heat gain and daylight using three key principles: reflection, absorption and transmission. The balance between these characteristics determines how effectively a blind manages heat, glare and natural light throughout the day.

Reflection – Helping Keep Heat Outside

Reflection is one of the most effective ways of reducing solar heat gain. Instead of allowing the sun’s energy to pass through the glazing and warm the room, reflective fabrics are designed to bounce a greater proportion of that energy back towards the window.

This means less solar heat enters the room in the first place, helping to keep conservatories, south-facing rooms, patio doors and large glazed areas more comfortable during periods of strong sunshine.

Fabrics with stronger reflective properties typically include:

  • Lighter-coloured fabrics, which naturally reflect more sunlight than darker colours
  • Specialist solar reflective or aluminium-backed fabrics designed to improve solar control
  • Performance fabrics developed specifically for rooms exposed to prolonged sunshine

Because reflection helps reduce heat before it enters the room, it is often one of the most effective ways of managing solar heat gain during warmer weather.

Absorption – How Fabrics Retain Heat

Not all of the sun’s energy is reflected away. Some of it is absorbed by the blind fabric itself. How much heat is absorbed depends largely on the fabric’s colour, density and construction.

In general, darker fabrics absorb more solar energy than lighter fabrics, while heavier or denser fabrics may retain more heat within the material before it is gradually released.

The amount of absorption is influenced by several factors, including:

  • The colour of the fabric
  • The density and thickness of the weave
  • Whether the fabric has specialist reflective or solar control properties

In many situations, lighter colours combined with solar reflective backings provide the best balance between managing heat, reducing glare and maintaining a comfortable indoor environment. During your consultation, we’ll help you compare the available fabrics and recommend the most suitable option for your windows and how the room is used.

Transmission – Limiting Heat and Glare

Transmission describes how much sunlight and solar energy passes through the blind fabric and into the room. In most situations, this is the amount we are trying to reduce, helping to create a cooler, more comfortable environment while still making the best use of natural daylight.

Lower transmission means less solar energy enters the room, slowing the build-up of heat and reducing the intensity of direct sunlight.

Fabrics with lower transmission can help:

  • Reduce the amount of direct sunlight entering the room
  • Slow the build-up of heat during periods of strong sunshine
  • Reduce glare on televisions, computer monitors and other screens
  • Create a more comfortable indoor environment while maintaining useful daylight

Solar reflective, dim-out and other specialist performance fabrics are designed to achieve different levels of transmission. During your consultation, we’ll help you choose the most suitable fabric based on the balance you want between heat reduction, glare control, privacy and natural light.

Choosing the Right Balance for Your Home

Every blind fabric manages sunlight using a combination of reflection, absorption and transmission. The best-performing solution isn’t simply the one that reflects the most heat—it’s the one that provides the right balance for the way you use the room.

  • Reflection helps reduce the amount of solar heat entering through the glazing.
  • Absorption influences how much heat is retained within the fabric itself.
  • Transmission determines how much light, heat and glare continue into the room.

The ideal balance depends on several factors, including:

  • The direction the window faces and the amount of direct sunlight it receives
  • Whether reducing heat, glare or both is the main priority
  • How the room is used throughout the day
  • The preferred balance between natural daylight, privacy and comfort

Rather than relying on a one-size-fits-all approach, we’ll help you compare different fabrics, colours and blind types during your consultation to recommend the most suitable solution for each window in your home.

Why This Matters in Practice

Choosing the right blind isn’t simply about appearance. Small differences in fabric type, colour, construction and positioning can make a noticeable difference to how comfortable a room feels during warmer weather.

For example, two blinds may look very similar, yet one may be significantly better at reducing heat build-up, controlling glare or maintaining natural daylight because of the way its fabric has been designed.

  • A south-facing living room may benefit most from solar reflective fabrics.
  • A home office may prioritise glare reduction for computer screens.
  • A bedroom may require greater room darkening alongside solar control.
  • A conservatory or garden room may benefit from combining solar reflective fabrics with motorised operation.

By considering how each room is used, the amount of sunlight it receives and the type of glazing involved, it’s possible to choose a solution that delivers a better balance of comfort, light control and everyday practicality throughout the year.

Positioning and Timing Matter

The effectiveness of a blind depends not only on the fabric you choose, but also on how it is fitted and when it is used. Even the highest-performing solar control fabric will work best when it is positioned close to the glazing and used before the room has already overheated.

For the best results, blinds should:

  • Be fitted as close to the window as practical
  • Cover as much of the glazed area as possible
  • Be lowered or adjusted before direct sunlight reaches the room
  • Be operated throughout the day as the sun moves across the property

This is particularly important for large glazed areas such as bifold doors, patio doors, conservatories and modern extensions, where significant amounts of solar energy can enter through the glass during periods of strong sunshine.

Motorised blinds can make this even more effective by automatically adjusting at the most appropriate time of day, helping to reduce solar heat gain without relying on manual operation.

The Best Time to Close Blinds to Reduce Heat

One of the most common mistakes is waiting until a room already feels hot before lowering the blinds. By that stage, much of the sun’s energy has already passed through the glazing and become trapped inside, making it much harder to reduce the temperature.

For the best results, blinds and shutters should be lowered or adjusted before direct sunlight reaches the window, particularly in south- and west-facing rooms during periods of warm weather.

  • Lower or adjust blinds before the strongest sunlight reaches the glazing
  • Use solar reflective or lighter-coloured fabrics where reducing heat is the priority
  • Position blinds close to the glass to improve solar control
  • Consider motorisation or timers for rooms that overheat while you’re away from home

Motorised blinds make this process even easier by responding automatically at the most appropriate time of day. Rather than reacting after a room has already become uncomfortable, they can help reduce solar heat gain before it has a chance to build up, improving comfort throughout the day.

An Added Benefit: Helping Protect Your Home

Managing solar heat gain isn’t just about keeping rooms more comfortable. Reducing prolonged exposure to strong sunlight can also help protect your home’s interior from the gradual effects of ultraviolet (UV) radiation.

Over time, direct sunlight may contribute to:

  • Fading of flooring, carpets and rugs
  • Discolouration of furniture and soft furnishings
  • Loss of colour in curtains, fabrics and upholstery
  • Fading of artwork, photographs and decorative finishes positioned close to windows

By helping reduce the amount of solar energy and UV rays entering through the glazing, appropriately specified blinds and shutters may help slow the effects of prolonged sun exposure while also improving comfort throughout the home.

Motorised Blinds and Intelligent Solar Control

Motorised blinds add another level of control when managing solar heat gain. Rather than relying on someone remembering to adjust the blinds throughout the day, automated systems can respond at exactly the right time to help maintain a more comfortable indoor environment.

This is particularly useful in conservatories, rooms with bifold doors, large glazed areas and south- or west-facing rooms where sunlight changes significantly throughout the day.

Managing Heat Before It Builds Up

One of the biggest advantages of motorisation is that blinds can respond before a room begins to overheat.

  • Open automatically during cooler morning periods where appropriate
  • Lower before the strongest afternoon sunshine reaches the glazing
  • Adjust throughout the day as the position of the sun changes
  • Respond automatically even when nobody is at home

Managing solar heat gain before it builds up is far more effective than trying to cool a room once it has already become hot.

Responding to Light and Temperature

Depending on the motorisation system selected, blinds can also respond to changing environmental conditions rather than simply operating on fixed schedules.

  • Lower automatically as sunlight intensity increases
  • Help reduce glare on televisions, computer monitors and workspaces
  • Limit further solar heat gain during particularly warm conditions
  • Maintain a more comfortable balance between daylight, privacy and temperature

When combined with the right blind type and fabric, motorisation provides one of the most effective ways of managing solar heat gain throughout the day while preserving natural light and improving everyday comfort.

Where Automation Makes the Biggest Difference

While motorised blinds can be used throughout the home, they offer the greatest benefits in rooms where sunlight, heat and glare change significantly during the day, or where regularly adjusting blinds manually would be inconvenient.

Large areas of glazing and rooms exposed to prolonged sunshine often benefit the most because automated blinds can respond before solar heat has a chance to build up.

Conservatories and Sunrooms

Conservatories and sunrooms are among the most challenging areas of the home when it comes to managing solar heat gain. Designed to maximise natural daylight, they can quickly become uncomfortably warm during periods of strong sunshine.

Without effective solar control:

  • Temperatures can rise rapidly, even on moderately warm days
  • Heat can continue to build throughout the afternoon
  • Warm air can spread into adjoining rooms through open doors and archways
  • Glare can make the space uncomfortable to relax or work in

Motorised blinds help manage these changing conditions by responding automatically before heat has a chance to build up. Combined with the right solar control fabrics, they help create a more comfortable environment while still allowing you to enjoy the natural light that makes conservatories and sunrooms so appealing.

Bifold Doors and Large Areas of Glazing

Bifold doors, sliding patio doors and large glazed openings are designed to maximise natural light, but they can also become one of the biggest sources of solar heat gain within the home. Rooms with extensive glazing often experience higher temperatures and increased glare, particularly during the afternoon in south- and west-facing properties.

Without effective solar control, these spaces can become less comfortable during warmer weather.

  • Large areas of glazing allow more solar energy to enter the room
  • Strong sunlight can create glare on televisions, laptops and other screens
  • Seating and dining areas close to the glass can become uncomfortable during peak sunshine
  • Furniture, flooring and soft furnishings may be exposed to prolonged UV light

Motorised blinds help manage these conditions automatically by adjusting throughout the day as the sun moves. Combined with the right solar control fabric, they can help reduce heat build-up, minimise glare and maintain a more comfortable living environment without constant manual adjustment.

Roof Lanterns and Glazed Roof Features

Roof lanterns, roof lights and other glazed roof features are designed to maximise natural daylight, but they can also become one of the largest sources of solar heat gain within the home. Because sunlight enters from above, these spaces can quickly become warm during periods of prolonged sunshine.

Without effective solar control:

  • Solar heat can build up rapidly beneath the glazing
  • Warm air naturally descends into the room below, increasing overall temperatures
  • Strong overhead sunlight can create uncomfortable glare throughout the day
  • Manual operation is often difficult because of the height of the glazing

Motorised blinds are particularly beneficial for roof lanterns and glazed roof features because they can respond automatically as conditions change, helping to reduce solar heat gain before it builds up while removing the need to manually reach high-level windows.

Combined with suitable solar control fabrics, automated roof lantern blinds can help maintain a brighter, cooler and more comfortable living environment throughout the warmer months.

Living Rooms, TV Rooms and Media Spaces

Living rooms and media spaces often receive large amounts of natural light through patio doors, bifold doors and wide windows. While this creates a bright, welcoming room, direct sunlight can quickly make the space less comfortable during certain times of the day.

Strong sunlight can:

  • Wash out television screens and make viewing difficult
  • Create reflections on televisions, monitors and tablets
  • Cause seating areas close to the glazing to become uncomfortably warm
  • Increase glare while watching films, reading or relaxing

Motorised blinds help manage these changing conditions automatically by adjusting as sunlight moves across the room. Combined with solar reflective or dim-out fabrics, they can reduce glare, help limit solar heat gain and maintain a more comfortable environment without the need for constant manual adjustment.

Home Offices and Studies

Home offices and studies need a careful balance between natural daylight, comfortable working conditions and reduced screen glare. Strong sunlight can make it difficult to work productively, particularly in rooms with south- or west-facing windows.

Without effective solar control:

  • Computer monitors and laptop screens can become difficult to read due to glare
  • Changing sunlight throughout the day can create uneven lighting conditions for video calls and desk work
  • Rooms can become increasingly warm during prolonged periods of sunshine, reducing comfort and concentration
  • Direct sunlight may cause visual discomfort when working for extended periods

Motorised blinds make it easy to maintain comfortable working conditions by automatically adjusting throughout the day. Combined with solar reflective or dim-out fabrics, they help reduce glare, limit solar heat gain and create a more consistent working environment without the need for constant manual adjustment.

Managing Multiple Rooms Together

In many modern homes, rooms are no longer used in isolation. Open-plan kitchens, dining areas and living spaces often share large areas of glazing, meaning heat and glare in one part of the home can quickly affect neighbouring rooms.

Motorised blinds allow each room to be managed individually or as part of a coordinated whole-home solution.

  • Control individual rooms independently to suit how each space is used
  • Group multiple blinds to respond together during periods of strong sunshine
  • Maintain more consistent comfort across open-plan living areas
  • Reduce the need to manually adjust several blinds throughout the day

This flexible approach helps create a more comfortable home by managing heat, glare and natural light across the entire living space rather than treating each window separately.

Why Automation Makes the Difference

The real advantage of motorisation isn’t simply convenience—it’s consistency. By responding automatically to changing sunlight throughout the day, motorised blinds can help manage solar heat gain before rooms become uncomfortably warm, without relying on someone being home to adjust them.

Motorised systems can help by:

  • Responding before solar heat has a chance to build up
  • Adjusting automatically as the sun moves around the property
  • Maintaining more consistent comfort throughout the day
  • Reducing glare while preserving useful natural daylight
  • Minimising the need for manual adjustment

This makes motorised blinds particularly effective in conservatories, rooms with bifold doors, home offices, media rooms and other heavily glazed spaces where sunlight, heat and glare change significantly throughout the day. Combined with the right blind type and fabric, automation provides one of the most effective ways of managing solar heat gain while maintaining a bright, comfortable living environment.

Which Blinds and Shutters Are Best for Reducing Solar Heat Gain?

There isn’t a single blind or shutter that’s best for every window. The most effective solution depends on the size of the glazing, the direction the window faces, how the room is used and whether your main priority is reducing heat, controlling glare, improving privacy or maintaining natural daylight.

Different products manage solar heat gain in different ways. Some are designed to reflect more solar energy, others provide additional insulation through their construction, while some combine adjustable light control with specialist performance fabrics.

During your consultation, we’ll help you compare the available options and recommend the most suitable solution for each room, ensuring you achieve the best balance between comfort, appearance and everyday practicality.

Pleated Blinds and Cellular Fabrics

Pleated blinds and cellular (honeycomb) fabrics are often chosen where insulation and solar control are both important. Their performance depends on the construction of the fabric as well as the type of material used.

In general:

  • Standard cellular pleated blinds focus primarily on improving insulation throughout the year.
  • Solar Reflective Pleated Blinds use specialist fabrics designed to help reflect a greater proportion of solar energy back through the glazing, making them particularly effective for reducing heat build-up during warmer weather.
  • Blackout pleated fabrics can further improve solar control where stronger room darkening is also required.

Pleated blinds are particularly effective for conservatory roofs, roof lanterns and shaped glazing, where their slim construction and flexible design allow them to fit areas that are often difficult to shade using other blind types.

During your consultation, we’ll help you decide whether a standard cellular fabric, a solar reflective fabric or another blind type will provide the best balance between insulation, heat reduction, glare control and natural daylight for your home.

Solar Reflective Vertical Blinds

Vertical blinds are one of the most effective solutions for managing solar heat gain across large windows, patio doors and bifold doors. Their adjustable louvres allow you to control sunlight, glare and privacy throughout the day while solar reflective fabrics help reduce the amount of heat entering the room.

When specified with Solar Reflective Coating (SRC), vertical blinds can:

  • Help reflect a greater proportion of solar heat back through the glazing
  • Reduce glare while maintaining useful natural daylight
  • Provide flexible light and privacy control throughout the day
  • Help improve comfort in conservatories, living rooms and other sun-facing spaces

Because the reflective coating is applied to one side of each louvre, careful specification is important to ensure the blinds perform as intended. During your consultation, we’ll recommend the most suitable fabric, orientation and control options based on your windows, the direction they face and how the room is used.

For homes with large areas of glazing, solar reflective vertical blinds provide an excellent balance of heat reduction, glare control, privacy and everyday practicality.

Solar Reflective Roller Blinds

Solar Reflective Roller Blinds are one of the most popular solutions for reducing solar heat gain in modern homes. Their simple design, combined with specialist solar reflective fabrics, provides excellent heat control while maintaining a clean, contemporary appearance.

They are particularly well suited to:

  • Large windows, patio doors and bifold doors
  • South- and west-facing rooms exposed to prolonged sunshine
  • Conservatories, garden rooms and modern glazed extensions
  • Homes where reducing heat build-up and glare is a priority

When fitted close to the glazing, solar reflective roller blinds help reflect a greater proportion of the sun’s heat back through the glass before it enters the room. They are available in a wide choice of colours, textures and performance fabrics, with both manual and motorised operating options.

For many homes, solar reflective roller blinds provide an excellent balance between solar control, appearance, ease of operation and overall value, making them one of the most versatile solutions for managing heat gain throughout the year.

Explore Solar Reflective Roller Blinds »

Plantation Shutters

While plantation shutters are often chosen for their timeless appearance, they can also play an important role in helping to manage solar heat gain. Their solid construction, adjustable louvres and close fit to the window create an additional barrier between the glazing and the room, helping to improve comfort throughout the year.

Light-coloured shutters, particularly white and off-white finishes, can be especially effective because they reflect a greater proportion of incoming sunlight while the shutter itself helps slow the transfer of heat into the room.

  • Adjustable louvres provide flexible control of sunlight and privacy
  • Light-coloured finishes help reflect more solar energy
  • The solid construction helps slow the transfer of heat through the window
  • Can help reduce glare while maintaining natural daylight
  • Suitable for south-facing rooms, bay windows and other sun-exposed areas

For homes where both appearance and long-term performance are important, plantation shutters provide an excellent combination of light control, privacy, insulation and solar heat management. They can also be combined with other products, such as pleated blinds, where additional solar control or room darkening is required.

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Roman Blinds

Roman blinds are often chosen for their soft, luxurious appearance, but they can also contribute to managing sunlight and improving comfort when specified with appropriate linings or interlinings.

Although Roman blinds are not designed primarily as a solar reflective product, they can still provide several practical benefits:

  • Help soften direct sunlight entering the room
  • Reduce glare on televisions, laptops and computer screens
  • Provide additional insulation through quality linings and interlinings
  • Create a softer, more comfortable lighting environment
  • Combine practicality with a stylish fabric finish

Roman blinds are particularly popular in living rooms, dining rooms and bedrooms where appearance is just as important as light control. They can also be combined with motorisation, allowing them to be adjusted automatically as sunlight changes throughout the day.

Where maximum solar heat reduction is the priority, solar reflective roller blinds or solar reflective vertical blinds will often provide higher levels of performance. During your consultation, we’ll help you compare the available options and recommend the most suitable solution for each room.

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Why Automation Brings Everything Together

The most effective approach to managing solar heat gain isn’t simply choosing the right blind—it’s ensuring the right blind is operating at the right time. Motorisation and automation allow your blinds or shutters to respond automatically as conditions change throughout the day, helping to maintain a comfortable indoor environment without constant manual adjustment.

There are times when allowing natural sunlight into the home is beneficial, particularly:

  • During cooler mornings when passive solar warmth can help heat the room naturally
  • Throughout spring and autumn when additional solar warmth may be welcome
  • During periods when maximising natural daylight is more important than limiting solar heat gain

At other times, particularly during prolonged summer sunshine, reducing solar heat gain becomes the priority to help prevent rooms from overheating.

Automation allows blinds and shutters to:

  • Adjust automatically as the sun moves around your property
  • Respond to changing light levels and temperature conditions
  • Provide solar control only when it is genuinely beneficial
  • Maintain a better balance between comfort, daylight and energy efficiency

Rather than permanently blocking sunlight, automation allows each room to respond intelligently to changing conditions, helping you enjoy natural light when you want it while reducing heat gain when it matters most.

Choosing the Right Combination

There is no single blind or shutter that is the perfect solution for every home. The most effective way to reduce solar heat gain is to choose products that are matched to the way each room is used, the amount of glazing, the direction the windows face and the level of sunlight they receive throughout the day.

For the best results, this often involves:

  • Selecting the most suitable blind or shutter type for each window
  • Choosing fabrics designed for the level of solar exposure
  • Balancing heat reduction, glare control, privacy and natural daylight
  • Combining products where appropriate to improve comfort and flexibility
  • Using motorisation and automation to manage changing conditions throughout the day

Every home is different, which is why we take a consultation-led approach. Rather than recommending the same solution for every window, we’ll help you compare the available options and specify the most suitable combination of blinds, shutters, fabrics and motorisation for your property.

Which Heat-Reducing Blind Is Right for Your Home?

There is no single solution that’s right for every window. The best choice depends on the amount of glazing, the direction the window faces, how the room is used and whether reducing heat, controlling glare or maintaining natural daylight is your main priority.

  • Solar Reflective Roller Blinds – an excellent choice for large windows, bifold doors, modern extensions and rooms where reducing solar heat gain is the priority.
  • Solar Reflective Vertical Blinds – ideal for patio doors, wide expanses of glazing and rooms where flexible light and privacy control are important.
  • Pleated Blinds – particularly well suited to conservatory roofs, roof lanterns, shaped glazing and other windows that are difficult to shade using conventional blinds.
  • Plantation Shutters – combine excellent light control, privacy and insulation while also helping to manage solar heat gain throughout the year.
  • Motorised Blinds – perfect for rooms where sunlight changes throughout the day or where automated solar control provides additional convenience and comfort.

During your consultation, we’ll compare the available options and recommend the most suitable combination of blinds, shutters, fabrics and motorisation for your home. Our aim is to achieve the best balance between heat reduction, glare control, natural daylight, privacy and style for every room.

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If you’d prefer advice in your own home, selected local areas can now book a home consultation online. Receive tailored advice, discuss suitable options and explore blinds, shutters, curtains and motorisation solutions with an experienced adviser.

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If you’d prefer to speak to us directly or send an enquiry by email, our team is happy to help.

📞 Call us: 01483 608408
📧 Email: sales@blindsandshutter.co.uk

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See blinds and shutters in person, compare styles and finishes, try motorised options, and get practical advice from our team.

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Frequently Asked Questions

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  • Which blinds are most effective for reducing solar heat gain?

    Blinds with solar reflective fabrics, particularly roller and vertical blinds fitted close to the glass, are often the most effective at reflecting solar energy. The best option depends on window size, orientation, and how the room is used.
  • Do lighter-coloured blinds reduce heat better than darker ones?

    In general, yes. Lighter-coloured fabrics reflect more solar energy, while darker fabrics tend to absorb more heat. Fabric construction and backing also play an important role, so colour should be considered alongside material choice.
  • Do blinds actually cool a room?

    Blinds don’t actively cool the air like air conditioning. Instead, they help reduce solar heat gain by limiting how much heat enters the room through the window. Used correctly, this can make rooms feel noticeably cooler and more comfortable during hot weather.
  • What’s the difference between reducing heat gain and insulation?

    Reducing heat gain focuses on preventing heat from entering the room, mainly from sunlight. Insulation focuses on reducing heat loss and retaining warmth. While some products can contribute to both, they are different objectives and are managed in different ways.
  • Will blinds help reduce glare on TVs and computer screens?

    Yes. Dim-out and glare-reducing fabrics are particularly effective at softening harsh sunlight, making screens easier to see. These fabrics are often used where visual comfort is the main concern rather than heat alone.
  • Is automation necessary to reduce heat gain effectively?

    Automation isn’t essential, but it can make a significant difference. Motorised blinds allow sunlight to be managed at the right time of day, even when rooms are unoccupied, helping reduce heat build-up before it becomes uncomfortable.
  • Which rooms benefit most from solar heat control?

    Rooms with large areas of glazing tend to benefit most, including: • conservatories and sunrooms • rooms with bifold or patio doors • spaces with roof lanterns • home offices and media roomsThese areas are more exposed to direct sunlight and heat build-up.
  • Are shutters or blinds better for reducing heat?

    Both can help reduce solar heat gain, but they do so in different ways. Solar reflective roller blinds and vertical blinds are designed to reflect solar energy before it enters the room, while plantation shutters provide an additional insulating barrier through their solid construction. The most suitable option depends on your windows, the room and how you use the space.
  • Can blinds reduce the need for air conditioning?

    Blinds and shutters cannot replace air conditioning, but by reducing solar heat gain before it enters the room they may help reduce reliance on fans and cooling systems, particularly during periods of prolonged sunshine.
  • Which rooms benefit most from solar reflective blinds?

    Solar reflective blinds are particularly effective in conservatories, south-facing rooms, home offices, rooms with bifold doors, patio doors, large windows and modern glazed extensions where heat build-up and glare are common concerns.
  • Should blinds be kept closed all day

    Not necessarily. The best approach is to lower or adjust blinds before direct sunlight reaches the glazing and then make use of natural daylight whenever conditions allow. Motorised blinds can help automate this process throughout the day.
  • Are solar reflective fabrics available on all blind types?

    No. Solar reflective fabrics are available on selected roller blinds, vertical blinds and pleated blinds. During your consultation we’ll explain which products are available with specialist solar control fabrics and recommend the most suitable solution for your home.
  • Can reducing solar heat gain help improve energy efficiency?

    By helping to limit the amount of solar heat entering the room during warmer weather, blinds and shutters can contribute to a more comfortable indoor environment and may reduce reliance on mechanical cooling. During colder months, certain products may also provide additional insulation.