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Understanding Infrared and Heat Rejection

Understanding Infrared and Heat Rejection

August 11, 2023

When it comes to window tinting, terms like “infrared rejection” and “heat rejection” often get used interchangeably. But are they truly synonymous, or is there more to the story? Let’s dive into the nuances to understand the distinction between these two crucial concepts.

Infrared Rejection:

Infrared (IR) rays are a type of electromagnetic radiation emitted by the sun. They carry heat and can contribute significantly to indoor temperature levels. Infrared rejection refers to a window film’s ability to block or reflect these IR rays, thus preventing excess heat from entering a space. This results in a cooler and more comfortable environment.

Heat Rejection:

Heat rejection, on the other hand, is a broader term that encompasses the overall reduction of heat transfer through windows. It considers various factors, including visible light and ultraviolet (UV) rays. While infrared rejection is a critical component of heat rejection, it’s not the sole contributor. A comprehensive heat-rejecting window film addresses multiple elements to create a well-balanced and energy-efficient solution.

Infrared Rejection vs Heat rejection

The Distinctive Benefits:

Infrared Rejection: Infrared rejection plays a pivotal role in maintaining indoor comfort. By specifically targeting IR rays, this feature ensures that the sun’s heat doesn’t infiltrate your space, making it especially effective in areas with intense sunlight. Whether it’s a vehicle, residential property, or commercial building, opting for high infrared rejection can significantly reduce the need for air conditioning, leading to potential energy savings.

Heat Rejection: Heat rejection, encompassing both IR and other heat-contributing factors, offers a comprehensive solution for temperature control. It provides a well-rounded defense against not only heat but also UV radiation and glare. This holistic approach helps preserve interiors, protects occupants from harmful UV rays, and creates a more pleasant indoor environment.

Choosing the Right Window Tint:

Choosing the Right Window Tint in infrared and heat

When selecting a window tinting solution, it’s essential to understand the distinction between infrared and heat rejection. While both contribute to temperature control, a quality heat-rejecting film takes a more comprehensive approach, addressing multiple factors that influence indoor comfort. Consult with our experts at Amazingtint to determine the optimal window film that aligns with your specific needs, whether it’s focused on infrared, heat, UV protection, or a combination of benefits.


Infrared rejection and heat rejection are closely related but not entirely synonymous. While infrared rejection targets IR rays to keep spaces cooler, heat rejection encompasses a broader range of factors for comprehensive temperature control, UV protection, and glare reduction. Understanding the difference empowers you to make an informed decision when choosing window tinting solutions. At Amazingtint, we’re dedicated to helping you find the perfect balance between these vital elements to create a more comfortable and energy-efficient environment.

Contact us today to explore our range of advanced window tinting options and find the ideal solution for your temperature control needs.


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