Hi all,
Does any one use a heat pump water heater?
I am looking at the Dux subzero and the Rheem.
How quite is 50db? are they ok or is that noisy?
Cheers
Browse Forums Heating, Cooling & Insulation Re: Heat pump water heater 3Aug 24, 2008 2:09 pm 50dbi is like a normal voice level.
Solar is much quieter and lots cheaper to run. Here is an article on how heat pumps work - http://www.ata.org.au/wp-content/projects/ata_heat_pump_report.pdf Some decibel ratings: 0 db Threshold of hearing 30 db Whisper 40 db Buzz of mosquito 50 db Normal conversation 70 db Vacuum cleaner 100 db Subway or power mower 120 db Rock concert 130 db Jackhammer or machine gun 150 db Nearby jet plane http://acoustics.soldatagroup.com/SOLDATA/Soldata_vib_uk.nsf/site/Noise--vibration-training.Decibels Steve 18 90360 |