UPVC Bay Windows from Tradecost
Bay windows can be double or triple glazed with a style and finish of your choice.
- Structural posts for support
- One-piece cill sections
- Excellent sound proofing
- Superior security
- Easy to Maintain
Precision Engineered
Tailor Made to Your Needs
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Energy Rating System
The Window Energy Rating system (pictured above) follows a similar pattern to appliance energy labels, with windows being rated between A+ (the best) and G (the worst). Building regulations require all new windows to be at least Crated. Each of the big-name companies claim different levels of energy efficiency, some as much as A++.
U Values explained
Thermal performance is judged by the heat loss through the glass and window frame as a combined product. U-factor values range from 0.25 to 1.25 and are measured in Btu/h·ft²·°F. The lower the U-factor, the better the window insulates. For example, a U-Value of 1.2 W/m2.K, means the amount of energy (1.2W) that will pass through 1m2 area of glass and window frame.
Why Choose Tradecost?
We pride ourselves in our one-to-one personal service and our highly skilled team provide a wealth of knowledge in our products, and we don't employ pushy sales tactics.
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