Energy Audits

Building energy audits evaluate a building’s energy usage, electricity and/or water consumption via an inspection, survey and analysis.
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Home Energy Audits

Beyond simply identifying the main sources of energy use, an energy audit seeks to prioritize the energy uses according to the most cost effective opportunities for energy savings. Residential energy audits should consider not only the cost, but also the owner's time objectives for holding the property.

Residential, or home energy audits are often performed by energy auditors, who may be certified through the Building Performance Institute (BPI) or Residential Energy Services Network (RESNET). While you can hire a local residential auditor, some local governments and utilities provide free or discounted energy audits.

A professional home energy audit may include blower door tests and the use of infrared cameras to detect leaks in the building’s envelope. The auditor may check for infiltration of air through the envelope, as well as the efficiency and programming of the building’s mechanical systems, such as the HVAC system. He or she may also interview the homeowner or landlord to learn about their behavior and how it affects the building’s energy, electricity, and/or water consumption.

The energy auditor will recommend home improvements and/or behavior changes to reduce the building’s resource consumption.

While not as thorough, you may also perform a home energy audit yourself. The ENERGY STAR Home Energy Yardstick allows homeowners to use 12 months of energy bills to compare their home’s energy use to similar homes across the country. While a professional energy auditor would perform a more thorough audit, ENERGY STAR program will provide tips and home improvement projects for energy savings based on your DIY audit.

Commercial Energy Audits


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