An R-value indicates an insulation's resistance to heat flow. The higher the R-value, the greater the insulating effectiveness. The R-value depends on the type of insulation and includes its

You need insulation in your home to provide resistance to heat flow. The more heat flow resistance your insulation provides, the lower your heating and cooling costs. Heat

Air leakage, or infiltration, occurs when outside air enters a house uncontrollably through cracks and openings. Properly air sealing such cracks and openings in your home can significantly

Energy auditors may use thermography—or infrared scanning—to detect thermal defects and air leakage in building envelopes. How They Work Thermography measures surface temperatures by using infrared video and still cameras.

Professional energy auditors use blower door tests to help determine a home's airtightness. These are some reasons for establishing the proper building tightness:

• Reducing energy consumption due to

A home energy assessment, also known as a home energy audit, is the first step to assess how much energy your home consumes and to

In 2009, the New York State Legislature and then-Gov. David Paterson approved the Green Jobs-Green New York act, aiming to retrofit 1 million homes