# Energy efficiency in a ground source heat pump with variable speed drives

> Research article (Energy and Buildings, 2015) · cited 45× · AI/ML

**Wikidata**: [openalex:W2054354239](https://www.wikidata.org/wiki/openalex:W2054354239)  
**Source**: https://4ort.xyz/entity/energy-efficiency-in-a-ground-source-heat-pump-with-variable-speed-drives