RSES has added two manuals to its sustainability series: Understanding Geothermal Heat Pump Fundamentals and Understanding Geothermal Ground Heat Exchangers. The company says Understanding Geothermal Heat Pump Fundamentals explains geothermal heat pumps and is designed as a gateway to understanding the technology.

Study topics include heat pump fundamentals; systems; principles; compressors; flow controls and accessories; electrical systems and components; thermostats; supplemental electric heat; water-source heat pump systems; heat pump piping; and troubleshooting water-source heat pumps. Each manual may be purchased as a hard copy or in PDF format for immediate download.