Building performance or home performance is a comprehensive whole-house approach to identifying and fixing comfort and energy efficiency problems in a home.[1]
Energy audits are performed by energy auditors, also known as building analysts or consultants,[2] which, in the United States, are usually certified by the Building Performance Institute (BPI) or the Residential Energy Services Network (RESNET).[3][4] In the beginning stages of a design, building performance can also be optimized with software solutions for architects.
The United States Environmental Protection Agency and Department of Energy started a national program "Home Performance with ENERGY STAR" to offer a comprehensive, whole-house approach to improving energy efficiency and comfort at home, while helping to protect the environment.[5] The Home Performance with ENERGY STAR program has 40 programs, to date, across the country which are administered by various utilities and state energy offices.[6]
Home performance applies building science to address the following issues:[7]
Diagnostic equipment includes:[7]
A home performance energy audit results in home energy retrofit recommendations to improve the comfort and efficiency of the home, the most common of which include: