NATHAN’S VEHICLE CARE GLOSSARY
Heat Rejection
Heat rejection describes a window film’s ability to reduce solar energy transmitted into a vehicle cabin.
Heat Rejection at a Glance
- Entity type
- Automotive window-film performance property
- Primary purpose
- Performance depends on film technology and should be evaluated using documented specifications rather than darkness alone.
- Important limitation
- A darker appearance does not automatically mean greater heat rejection; legal visible-light limits remain separate.
How Heat Rejection Connects to Vehicle Care
Performance depends on film technology and should be evaluated using documented specifications rather than darkness alone.
A darker appearance does not automatically mean greater heat rejection; legal visible-light limits remain separate.