Ground-Source Heat Pumps | Building America Solution Center
An overview of ground-source heat pump technology - ScienceDirect
Design and Experimental Testing of a Ground Source Heat Pump System Based on Energy-Saving Solar Collector | Journal of Energy Engineering | Vol 142, No 3
Geothermal Systems – What You Need to Know - The Severn Group
Experimental Performance Analysis of Ground Source Heat Pumps (GSHPs)
Our Ground Source Heat Pumps – The Cambridge Renewable Energy Centre