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Sun Control


Sun Control can be used as a design feature on a building, however the main function of sun control is to regulate levels of heat and light.
Increasingly stringent building regulations aim to lower the carbon footprint of all new buildings; this means that modern buildings are designed to minimize heat loss and maximize the efficiency of the heating systems. As a result, buildings are becoming too efficient and – when the sun does come out – the internal environment and therefore the occupants can quickly overheat.
Sun control is a sustainable solution that is fitted to help the building to comply with regulations, managing the internal temperature, as well as levels of light, glare and exposure to direct sunlight. This in turn increases the efficiency of the building’s internal climate control systems, and reduces the need for mechanical cooling systems.

2.There are a number of external factors that must be taken into consideration when determining the correct choice of sun control solution.

The geographical location of a building will affect the sun levels and angles that fall upon it. In the UK, the South receives greater levels of sun than the North, but it can vary within these areas too.

If a building is North-facing and surrounded by other large buildings, then sun control solutions will be surplus to requirements. However, a South-facing building with no buildings in front of it should incorporate sun control as a priority.

By their very nature, sun control products are designed to be positioned in full exposure to sun, wind and rain.
It is hence important that any sun control systems are designed to withstand weather extremes.

Architects must consider who is going to be using the building. Office equipment such as printers, faxes, computers and photocopiers all generate heat and need to be taken into consideration in the planning stages.


The correct application of sun control systems will be heavily dependent on the building’s orientation. South facing elevations experience the highest sun angles, and in these conditions, horizontal systems offer the best sun control solutions.
By contrast, East and West elevations experience far lower sun angles. In this case, installing horizontal systems would prove to be of minimal benefit, and it is hence imperative that vertically positioned sun control solutions are installed.
These ensure a consistent level of shade is given to all occupants no matter what angle the sun is at.

With 50 years of experience with architectural sun control products, Hunter Douglas has become a world leader in the industry of sun control and provides architects with a way to regulate daylight and solar heat control solutions through a series of exterior and interior sun control products of high quality. These not only boast versatile functionality but also meet aesthetic requirements creating a feast for the eyes. Hunter Douglas products are a blend of functionality, artistry and practicality, bringing added value to any building.

- Available in three kinds of products: Aerofins, Linear, Shutters
- Materials: metal, glass, etc.
- A vast range of colors and finishes
- Rational design and ease of installation & maintenance
- Operation options: fixed, manual, motorized, etc.
- Integrated intelligent sun control systems are energy efficient and remarkably enhance any interior, bringing comfort to those inside
- Customized products meet any application requirements of any project