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In today’s world, where energy conservation and sustainability are paramount, finding innovative ways to reduce energy consumption is essential. The advent of window film technology has paved the way for significant advancements in the energy efficiency of buildings. One crucial aspect of window film performance is the metric known as “Total Solar Energy Rejected” (TSER). In this blog post, we will explore the concept of TSER and discuss its significance in enhancing the efficiency and comfort of spaces.
Total Solar Energy Rejected is a measure of the amount of solar energy prevented from entering a building through its windows. It quantifies the window film’s ability to block solar radiation, including both visible light and infrared heat. TSER is expressed as a percentage, representing the proportion of solar energy that the film reflects or absorbs rather than transmitting into the interior.
The rejection of solar energy by window film can have a substantial impact on the energy efficiency of a building. Solar radiation carries both heat and light energy and when it enters a space, it can cause several undesirable effects. Excessive heat gain can lead to increased reliance on air conditioning, resulting in higher energy consumption and utility costs. Additionally, solar radiation can fade furnishings, artwork, and flooring due to prolonged exposure.
By utilizing window film with high TSER ratings, building owners and occupants can experience significant benefits. Effective solar energy rejection can reduce the need for excessive air conditioning, allowing for more stable and comfortable indoor temperatures. This translates to energy savings, reduced carbon footprint, and increased sustainability. Moreover, the UV-blocking properties of window film with high TSER ratings help preserve interior furnishings, prolonging their lifespan and reducing maintenance costs.
When considering window film options, TSER (in conjunction with the solar heat gain coefficient (SHGC)) should be a key factor in decision-making. Window films with higher TSER ratings offer greater solar energy rejection, providing better energy efficiency and improved comfort. It is worth noting that TSER alone should not be the sole criterion for selection. Other factors, such as visible light transmission, UV-blocking capabilities, and aesthetic preferences, should also be considered to ensure a well-rounded choice.
Concord Window Film’s ComforTech™ Ceramic Series window film is a top choice for do-it-yourselfers who want a professional-grade film that’s easy to install. ComforTech™ films have a TSER that ranges from 51% for our lightest film, ComforTech™ 45 to a TSER of 82% for our darkest film, ComforTech™ 05.
As you can see, the darker the film, the better the TSER performance, so the trade-off is between visible light transmission and total solar energy rejected. Your climate, the direction your windows are facing, and your personal aesthetics will dictate which shade is right for you.
Total Solar Energy Rejected (TSER) plays a vital role in determining the energy efficiency and comfort levels of buildings equipped with window film. By effectively blocking solar radiation, window film with high TSER ratings reduces heat gain, minimizes reliance on air conditioning, and preserves interior furnishings. As sustainability and energy conservation become increasingly important, choosing the right window film with optimal TSER becomes a crucial consideration for homeowners and building owners alike.
Investing in window film technology can have far-reaching benefits, not only in terms of energy savings but also in improving the overall comfort, aesthetics, and longevity of a space. By harnessing the power of TSER, we can take a significant step towards creating more sustainable and energy-efficient buildings for a brighter future.
