DOE’s Energy Efficiency & Renewable Energy website offers Heat Pump Guides for:

Air Conditioning

Guide describing refrigerant-based compression-cooling air conditioning systems for space cooling.

Cold Climate Heat Pump Sizing and Selection

Guide describing sizing methods for cold climate heat pumps.

Ductless (Mini-Split) Heat Pumps

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

Emergency Air Conditioning and Food Refrigeration

Guide describing methods for providing space cooling and refrigeration during extreme heat events and/or power outages.

Ground-Source Heat Pump Foundation Heat Exchanger (FHX)

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.

Ground-Source Heat Pumps

Guide describing ground-source (geothermal) heat pumps including an overview of technology and guidance on compliance and installation.

Heat Pump Quality Installation and Commissioning

Guide describing best practices for testing and commissioning heat pump systems using smart tools during and after installation.

Thermostat Controls

Guide describing the use and testing of programmable thermostats.

Traditional Split Heat Pumps

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