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Increasing the amount of insulation in attics is one of the highest priority improvements a homeowner makes when retrofitting a house

Air sealing is the simplest way to improve a home's energy performance

Understand how a structure such as a house works to create a comfortable interior environment.

Some air leaks are necessary to allow for the escape of gasses from the home that are by product of heating air and water. Others result from how t...

Although the term retrofit may be new to you, the concept is easy to understand. It is the process of increasing the energy efficiency of an existi...