Home owners who use an HVAC system with a central air handler fan can realize significant energy savings by using a fan with an electronically commutated (ECM) motor (see Figure 1). Savings will be even larger for homeowners who run the HVAC fan continuously or frequently to filter the air or to...
Guide describing sizing and installation of foundation heat exchangers, which can be connected to a heat pump system used for spacing conditioning as well as domestic water heating.
Guide providing information about ground-source (geothermal) heat pumps including an overview of technology and guidance on compliance and installation.