Stay Warmer With Less Heat

 

 

Improved Comfort

Comparison of typical 48" x 36" sliding window units operating at design conditions

- regular single pane aluminum frame window
- double glazing, vinyl frame, low e, argon, insulated spacer
Condensation
Window moisture can lead to unsightly mould growth. Spores released from moulds can cause respiratory irritation.
Winter Condensation Threshold graph

 

New window
withstands
2.1
times more
humidity
.

 

Thermal Comfort
Over 50% of your comfort is determined by the temperature of surfaces in a room. Less than 50% is determined by room air temperature.
Inside Surface Temperature graph

 

New window is
13°
warmer.

 

Heat Loss
Windows typically lose between 20 to 40% of a home's heat. New windows may solve room heating problems.
Winter Heat Loss graph

 

New window loses
72%
less heat.

 

Heat Gain
Old windows are the primary cause of overheating. New windows can improve comfort, even when rooms are air conditioned.
Summer Heat Gain graph

 

New window gains
28%
less heat..

 

This table shows the effect of different glass-type combinations on UV, Visible Light, and Infrared transmission. This can help you decide which type(s) of glass would be right for different situations, or which compromise makes the most sense.

Window Performance Factors

Glass Combination
UV
Transmission
%
Visible Light
Transmission
%
Infrared
Transmission
%
 clear / clear 76 82 63
 hardcoat low-e / clear 57 76 59
 low-e squared / clear 23 73 15
 clear laminated / clear 3 79 54
 Azurlite / clear 55 58 5
 Evergreen / clear 12 52 6
 Grey reflective / clear 9 23 28
 Heat Mirror TC88 0 66 26
 Heat Mirror TC66 0 55 14
 Heat Mirror S75 0 63 8