| http://www.w3.org/ns/prov#value | - Thorough audits often use equipment such as blower doors, which measure the extent of leaks in the building envelope, and infrared cameras, which reveal hard-to-detect areas of air infiltration and missing insulation.1) Public Utilities Companies will sometimes offer home energy audits.??? The cost and extent of the audit varies from service to service.??? Contact your local company to see what th
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