Guides A-Z

Guide providing an overview of central heat pump water heater applications in multifamily buildings.

This guide describes sizing methods for cold climate heat pumps.

Guide describing ductless heat pump systems used for single-room or whole-house heating and cooling.

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.

Importance of Proper HVAC Commissioning Research shows that most residential HVAC systems aren’t installed correctly, and that can cause a lot of problems for both homeowners and contractors. The prevalence of improper installation is a significant concern, as evidenced by various research findings...

Guide describing the planning and installation process for Heat Pump Water Heaters (HPWHs) in single-family homes, including model selection, installation location, thermal resource adequacy, and condensate removal.

Guide describing the split system heat pumps used for central forced air heating and cooling.

Guide describing condensing clothes dryers, which have a secondary heat exchanger and do not require exterior venting.