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Heat Rejection & Window Insulation Film

Heat rejection window film is a highly effective and proven solution for effectively controlling excess heat and glare in residential and commercial environments. With its advanced solar control properties, heat control window film offers a reliable and efficient way to enhance comfort and create a more enjoyable indoor atmosphere.

By utilizing innovative technology, anti heat window film acts as a barrier against solar heat, significantly reducing the amount of heat that enters your space through the windows. This proactive heat reduction helps maintain a consistent and comfortable temperature, reducing reliance on air conditioning systems and leading to substantial energy savings. With window film, you can achieve optimal thermal balance while minimizing energy consumption and associated costs.

Moreover, window film is designed to combat glare caused by intense sunlight. By selectively filtering out the harsh and blinding rays, window film creates a visually comfortable environment for various activities such as working, watching screens, or simply relaxing. Say goodbye to annoying glare that hampers productivity and causes eye strain, and welcome a more soothing and glare-free space.

The versatility of window film allows you to choose from a wide range of options, including tinted and reflective films, to match your specific needs and preferences. Whether you seek enhanced privacy, aesthetic enhancement, or both, window film offers customizable solutions that deliver exceptional performance and lasting satisfaction.


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Category Description

Make your home or office cooler

  • Effectively target and control excess heat in your space
  • Reduce the impact of harsh sunlight and minimize glare for improved comfort
  • Provide UV protection by blocking up to 99% of harmful rays
  • Available in various lengths or cut to your desired size for convenient installation
  • Clear options specifically designed for retail store windows, ensuring maximum visibility 

Our solar heat control films offer an ideal solution for enhancing the comfort of your home, business premises, or retail outlets. These films can be easily applied to any smooth glass surface, providing a revolutionary alternative to curtains and blinds. With window film, you can enjoy improved comfort while still maintaining the ability to see outside.

Our window films come in self-adhesive or static cling options, making them easy to retrofit onto your windows, doors, or even on a conservatory. The impact is immediate, and you will notice a significant temperature difference, particularly on hot summer days.

In addition to heat control, our solar films provide the added benefit of blocking up to 99% of UV rays. This protection helps prevent fading of furnishings, carpets, and wooden floors, prolonging their lifespan and maintaining their vibrant colors.

Experience the transformative benefits of solar control films and enjoy enhanced comfort, reduced energy costs, and protection against harmful UV rays.

What is heat rejection film

Solar control tints are specifically designed to regulate heat and light transmission in residential and commercial settings. Unlike car tints, which are often single-layered dyed films, these films consist of multiple layers and fine metal particles that are bonded together. This multi-layer construction allows them to selectively target and block short wave infrared (SWIR) components of the light spectrum, effectively preventing the heat gain cycle and keeping your room cooler. By controlling the transmission of heat, thermal window film provide an effective solution for maintaining a comfortable indoor temperature.

Glare control window film

If you're dealing with excessive glare that affects your ability to watch TV or use your computer screen comfortably, a tinted glass film or heat reflective window film can be an effective solution. These films not only reduce glare but also regulate the amount of natural light entering the space, enhancing your overall comfort.

To achieve glare reduction, the window film darkens the glass and acts as a shield against the sun's rays, similar to sunglasses or car tints. Our solar films are available in three different grades, ranging from dark to light, allowing you to choose the level of light reduction that best suits your needs.

By selecting a tinted or heat reflective window film, you can effectively control glare while still maintaining a desired level of natural light, creating a more comfortable environment for your activities.

Heat control on double glazed units

When applying heat-reducing film to double-glazed units, it's important to consider a few factors. Firstly, for darker film options, ensure that the internal pane of the unit is made of toughened glass by checking the kite mark on the glass and reviewing the film's specifications. Double-glazed units can retain heat within the panes, functioning like large radiators. To address this, the most effective heat control films are the ones designed for external use. These films prevent heat from accumulating within the panes, ensuring it doesn't become trapped in the room.

Non tinted film for shops and retail outlets

If you're dealing with excess heat in your shop or store and want to maintain a clear view through your windows, our HRF-40 heat rejection film is the perfect solution. This film has a barely noticeable color when applied to the glass, making it ideal for maintaining the aesthetic of your space. It's a popular choice among large retailers, particularly food stores. In addition to heat reduction, this film blocks 99% of harmful UV light, providing essential protection to your displays and preventing fading.

Ordering heat rejection film

When ordering Purlfrost heat control window film, you have several convenient options to choose from:

  1. Cut to Size: Measure your window dimensions and provide them when placing your order. Our team will custom-cut the film to fit your specific measurements, ensuring a perfect fit for your windows.

  2. By the Metre: If you prefer to purchase window film in bulk or have a larger project, you can order it by the metre. Simply select the desired width and length of film, and we will provide it to you in a continuous roll.

  3. Ready-to-Go Kits: We offer pre-packaged kits that contain all the tools you need to apply window film. These kits are designed for easy DIY installation and provide a hassle-free solution.

Whichever option you choose, our website provides a user-friendly interface that guides you through the ordering process step by step.

Savings on your energy bill

Heat control window films are an effective solution for reducing air conditioning costs and improving energy efficiency in your home or office. By blocking a significant amount of solar heat, our films help keep the interior temperature cooler, allowing you to rely less on air conditioning systems.

The heat-rejecting properties of solar control window films play a crucial role in maintaining a comfortable indoor environment. These films are designed to reflect a portion of the sun's heat, preventing it from entering through the glass and causing temperature fluctuations. By reducing heat gain, solar control films help alleviate the strain on your air conditioning system, resulting in lower energy consumption and cost savings.

Furthermore, solar control films provide benefits beyond the summer months. During colder seasons, these films act as an additional layer of insulation, helping to retain a small portion indoor heat and reducing heat loss through the glass. This helps to minimize energy waste and lower heating bills.

By investing in solar control window films, you can create a more energy-efficient space, reduce the need for excessive air conditioning, and enjoy cost savings on your utility bills. With a variety of films available, including options tailored to your specific needs and preferences, you can optimize the performance and efficiency of your windows. Experience the benefits of solar control films and enjoy a more comfortable and energy-conscious environment.

Buy with confidence from Purlfrost

Our website is packed with practical thermal control window film available for delivery in the United Kingdom from our London office building. Our customer service and experience is second to none and we are the highest rated window film company on Truspilot with over 10000 reviews from satisfied customers. We hold plenty of stock of a wide range of window films and tend to ship your items within 24h of your purchase, using either Royal Mail or TNT for shipping and prompt delivery throughout the country. Free shipping is available for orders over £100.00.

Frequently Asked Questions
  • What is the best heat rejection window film?

    When dealing with single pane glass, any of our films will effectively impact the temperature. However, for double glazed units, the situation becomes more complex due to heat trapping within the pane. In such cases, an external film offers the best results. If applying the film externally is not possible, then an internal tinted or reflective film is recommended. For retail outlets where tinted films are not suitable, our HRF-40 is the ideal choice, as it is virtually colorless once applied to the glass.

  • Is the heat control film removable?

    Absolutely. You will need a spray bottle and some soapy water, and as wide a glass scraper as you can get. Click here to view our range of window film installation and removal tools

  • How much money will I save on air conditioning bills?

    Every case is different but even a few degrees difference will make for big saving on air conditioning costs. Solar control window films will also help with your heating bills by keeping some of the heat that would otherwise escape through the glass.

  • Is window insulation film easy to DIY?

    Window film is easy to DIY and 99% of our customers apply their film themselves. The principle is simple using soapy water to slide the film in position, then squeegee out the solution and trim to suit. We supply you with easy to follow instructions and a free application tool with your order when you buy film online with us. Take a minute to watch our video tutorial.

  • What is heat gain?

    Heat gain, also referred to as the greenhouse effect, is the process that causes your home or office to become excessively hot on sunny days. When sunlight passes through the glass and comes into contact with items like carpets and furniture, it transforms into long-wave infrared radiation. This radiation is unable to escape back through the glass, resulting in the creation and retention of heat within the room.

  • How do I clean heat rejection film?

    Just clean with soapy water and a squeegee, that's all. Do not use anything abrasive on the film or it will scratch it. Wait 4 weeks after installation before you clean the film.

  • Is there a warranty?

    Most of our heat rejection films come with a 7 to10 year warranty, but will last much longer in the right conditions. External films have a lower warranty. Please check the product's Specifications.

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