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How to keep your sunroom cool in summer
A sunroom is one of the most enjoyable spaces in the home. It brings in natural light, creates a seamless connection between indoor and outdoor living, and adds extra living space throughout the year.
But during warm summer days, a sunroom can quickly become uncomfortably hot. Large glass surfaces allow sunlight to enter easily, but also solar heat. It is precisely this heat that builds up under the glass and turns the space from light and relaxing into uncomfortable.
The right exterior shading helps prevent this. By stopping the sun before it reaches the glass, you keep the heat outside and create a more comfortable indoor climate. That means you can continue to enjoy your sunroom for relaxing, dining, reading or working from home, even on sunny days.
Why does a sunroom heat up so quickly?
Glass lets in plenty of daylight, which is exactly what makes a sunroom feel open and spacious. At the same time, it also allows solar heat to enter. Once that heat passes through the glass, it becomes trapped inside and the temperature can rise quickly.
This effect is especially noticeable in:
south-facing sunrooms
sunrooms with large glass roofs
skylights and roof lanterns
poorly ventilated spaces
modern homes with large glass surfaces
Air conditioning can cool the room afterwards, but it often uses a lot of energy. Exterior shading works in a smarter way: it helps prevent overheating before it starts.
Benefits of exterior shading
With the right sunroom shading, you benefit from:
a cooler indoor climate during sunny days
less need for air conditioning
lower energy consumption
reduced glare
better protection for furniture, flooring and fabrics
a stylish finish that complements your home
In other words, exterior shading is not only practical. It also enhances the comfort, appearance and everyday usability of your sunroom.
More comfort, less overheating
A sunroom should feel like a natural extension of your living space. When it becomes too hot, you use it less often — especially during the very season when you want to enjoy it most.
A high-quality conservatory awning or roof shading system helps maintain a pleasant temperature. It allows you to enjoy the light and openness of your sunroom without the discomfort of excessive heat.
Whether you use your sunroom as a dining area, lounge space, home office or quiet reading corner, a comfortable indoor climate makes a big difference.
Which exterior shading solution suits your sunroom?
Every sunroom is different. The best solution depends on the size of the glass surface, the shape of the roof, the orientation of your home and the architectural style of the building.
Brustor offers several exterior shading systems for sunrooms, glass roofs and outdoor living spaces.
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Brustor Topscreen
The Brustor Topscreen is designed for horizontal and sloping glass surfaces such as skylights, roof lanterns, compact sunrooms and pergolas with glass roofs.
Thanks to ZIP screen technology and a sophisticated tension system, the fabric remains beautifully taut and highly wind resistant. Its compact cassette integrates discreetly into modern architecture.
This makes the Topscreen ideal for homeowners looking for a minimal, elegant and effective solution.
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Brustor B126 conservatory awning
The Brustor B126 conservatory awning is a strong choice for rectangular sunrooms and larger glass surfaces.
Its patented extension system creates additional shade beyond the glass surface, helping to improve thermal comfort inside the sunroom. The aluminum construction is durable, elegant and designed for long-lasting outdoor performance.
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Brustor B127 conservatory awning
Not every sunroom has a standard shape. For angled roofs, rounded corners or more complex glass constructions, the Brustor B127 conservatory awning offers a flexible solution.
It provides additional shade at the front and sides, making it suitable for sunrooms with irregular shapes while maintaining a refined architectural finish.
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Brustor B128 conservatory awning
For large glass roofs and expansive sunroom constructions, the Brustor B128 conservatory awning offers a powerful and modular solution.
Multiple modules can be installed side by side to cover larger surfaces seamlessly. The ZIP system keeps the fabric perfectly tensioned, ensuring excellent stability and wind resistance.
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Brustor B129 under-glass conservatory awning
For modern outdoor living concepts, the Brustor B129 offers a stylish way to create a seamless transition between indoors and outdoors.
More than classic sunroom shading, this minimalist pergola creates an elegant outdoor extension with options such as screens, integrated lighting and heating. It is ideal for homeowners who want to enjoy outdoor comfort in every season.
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Customize your sunroom shading
Every home has its own architectural identity. That is why Brustor exterior shading systems can be customized to match your home perfectly.
You can choose from:
a wide range of RAL colors
different fabric colors, textures and openness factors
remote control operation
smartphone control
home automation integration
optional sun and wind sensors
With automated sensors, your awning can open or close depending on sunlight and weather conditions. This gives you comfort when you need it, and protection when the weather changes.
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Exterior shading versus interior blinds
Interior blinds can reduce glare and add extra atmosphere to your sunroom. For heat control, however, an exterior solution is more effective, because solar radiation is slowed down before it heats up the glass.
Exterior shading therefore not only helps keep your sunroom cooler, but also better protects your interior against strong sunlight and discoloration.
Frequently Asked Questions
What is the best way to keep a sunroom cool in summer?
Exterior shading is one of the most effective ways to keep a sunroom cool because it blocks sunlight before it reaches the glass.
Is exterior shading better than air conditioning?
Exterior shading helps prevent heat buildup naturally. This can reduce the need for air conditioning and lower energy consumption.
Which Brustor solution is best for large glass roofs?
For large glass surfaces, modular systems such as the Brustor B128 are particularly suitable.
Can sunroom shading be automated?
Yes. Brustor systems can be equipped with smart controls, smartphone operation and optional sun and wind sensors.
Does exterior shading protect my interior?
Yes. By reducing direct sunlight and UV exposure, exterior shading helps protect furniture, floors and fabrics from discoloration.
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