This demonstrates that when 3M Prestige window film is applied to a window, there is a significant reduction in thermal energy transmitted through the glass.

3M Prestige 70 Benefits:

– Substantial heat rejection provides energy savings and enhanced comfort, combined with a clear film

– Increased on-angle heat rejection provides additional performance benefits

– Low reflection enhances views and overall beauty

– No metals; 3M technology provides superior performance with no corrosion or interference with cell phone signals

– Extends the life of furnishings by rejecting UV rays, the single largest component of fading

– Premium 3M manufacturer’s warranty

– Reduces glare and eye discomfort

– Increases personal safety by minimizing flying glass

Performance Results:*

Visible Light Transmitted 69%
Total Solar Energy Rejected 50%
TSER-On 60°Angle 59%
Infrared Rejected 97%
Visible Light Reflected Int. 9%
Visible Light Reflected Ext. 10%
UV Rejected 99.9%
Glare Reduction 23%
Luminous Efficacy 1.19

*Performance based upon 1/4″ clear glass



The above clip shows a BTU meter displaying watts per square metre of thermal energy.