# Reversing air-source heat pumps – Noise at defrost initiation and a noise reducing strategy

> Research article (International Journal of Refrigeration, 2015) · cited 15× · AI/ML

**Wikidata**: [openalex:W1806685568](https://www.wikidata.org/wiki/openalex:W1806685568)  
**Source**: https://4ort.xyz/entity/reversing-air-source-heat-pumps-noise-at-defrost-initiation-and-a-noise-reducing-strategy