Environment

Hydrofluorocarbons

are the chemicals in your air conditioner that help keep you cool in the summer (and the food in your refrigerator cool year round). Ironically, they’re also a greenhouse gas.  An ultra efficient home can reduce air conditioning needs by up to 85 percent 

Thermal Bridge

A thermal bridge, also called a cold bridge or heat bridge, is an area of an object (frequently a building) which has a significantly higher heat or cold transfer than the surrounding materials resulting in an overall reduction in temperature efficiency control of the object or building.

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U-Factor

U-Factor measures the rate of heat transfer and tells you how well the window insulates. U-factor values generally 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.