The CO2 Heat Pump is rated at 37dB, measured at 1m distance from the unit, which is whisper quiet, practically silent. LISTEN NOW >

Quality assurance and verification based on Japanese Industrial JIS C 9220 standard testing and performance for heat pump hot water heaters. Variances outside this rating may occur due to background noise, measurement conditions and accuracy of device used. Installation location, mounting legs and clearance positioning may also affect noise level, if outside Reclaim Install Manual guidelines along with water inlet, ambient temperature and number of bends in pipework.