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Home Energy Audits

A home energy checkup helps owners determine where their house is losing energy and money - and how such problems can be corrected to make the home more energy efficient. A professional technician -- often called an energy auditor -- can give your home a checkup. Items shown here include checking for leaks, examining insulation, inspecting the furnace and ductwork, performing a blower door test and using an infrared camera. Learn more about a professional home energy audit.

Thermographic Inspections
Home Energy Audits

Energy auditors may use thermography -- or infrared scanning -- to detect thermal defects and air leakage in building envelopes.

Do-It-Yourself Home Energy Audits
Conduct a home energy audit yourself and prioritize your energy efficiency upgrades.

While not as thorough as a professional home energy audit, a simple do-it-yourself walk-through can help you identify and prioritize some energy efficiency upgrades.

Blower Door Tests
Blower door test during a home energy audit. Credit: Holtkamp Heating & A/C, Inc.

Professional energy auditors use blower door tests to help determine a home's airtightness.

PFT Air Infiltration Measurement Technique
The Brookhaven National Laboratory developed the PFT (PerFluorocarbon tracer gas) technique to measure changes over time when determining a building's air-infiltration rate.

The airtightness of a building can be determined by using several methods. Learn how the PFT (PerFluorocarbon tracer gas) technique provides information about air leakage and energy loss.