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Quietest roof A/C Heat Pump [message #242761]

Sat, 08 March 2014 11:44

corleyw

Messages: 130
Registered: June 2007
Location: Battle Ground, WA

Karma:

Senior Member

We have a Dometic roof A/C, that works great. Cools the coach really well, up to about 90-100 degrees outside. It's about 20 years old, and probably not as efficient as some newer units, but it works OK.

My only complaint with this unit is that it is really noisy. The fan makes a huge noise all by itself, but the compressor make the whole coach sort of resonate when it kicks in. (I suppose the roof makes like a big speaker.)

I read somewhere a while back, that typical RV non-ducted roof A/C units put out about 70db of noise, on full blast. The article said that anything above 50db is bad for your ears. I know when ours is running at full blast, we really have to turn up the volume on the TV to hear it, and after that my wife is almost deaf for a few hours...

SO, I was thinking of upgrading to a roof A/C unit with the heat pump function. (The resistive heat strips don't impress me at all.) However, I don't want/need to do this unless there is a unit out there that is much quieter in operation. I put a mini-split heat pump in our beach house, and you can hardly hear it running, when it is putting out tons of heat or cold, so I know the quieter technology is available, maybe just not in the packaging of the typical roof unit.

(In fact, I did some measuring, and the 12k btu mini-split inside unit would fit nicely above the rear window, with outlet air shooting forward down the hall into the living space. The only obstacle there is where to put the outside unit. I suppose it could be repackaged and stuffed into the Onan cabinet, or something, but... Dreaming there...)

I can't seem to locate any noise measurements for the new RV heat pump roof A/C units. Does anyone have any practical knowledge or pointers to actual noise measurements they could provide? I will only replace this unit if I can find a much quieter solution.

Corley '76 Glenbrook 29 other vehicles

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[Message index]

		Quietest roof A/C Heat Pump By: corleyw on Sat, 08 March 2014 11:44
		Re: Quietest roof A/C Heat Pump By: A Hamilto on Sat, 08 March 2014 12:12
		Re: Quietest roof A/C Heat Pump By: Richard RV on Sat, 08 March 2014 13:11
		Re: Quietest roof A/C Heat Pump By: A Hamilto on Sat, 08 March 2014 17:03
		Re: [GMCnet] Quietest roof A/C Heat Pump By: jhbridges on Sat, 08 March 2014 15:04
		Re: [GMCnet] Quietest roof A/C Heat Pump By: Richard Brown on Mon, 23 June 2014 15:26
		Re: [GMCnet] Quietest roof A/C Heat Pump By: USAussie on Mon, 23 June 2014 22:27
		Re: [GMCnet] Quietest roof A/C Heat Pump By: jimk on Mon, 23 June 2014 23:53
		Re: [GMCnet] Quietest roof A/C Heat Pump By: USAussie on Tue, 24 June 2014 08:51
		Re: [GMCnet] Quietest roof A/C Heat Pump By: Richard Brown on Tue, 24 June 2014 00:25
		Re: Quietest roof A/C Heat Pump By: Matt Colie on Sat, 08 March 2014 15:12
		Re: Quietest roof A/C Heat Pump By: Loffen on Sat, 08 March 2014 15:50
		Re: Quietest roof A/C Heat Pump By: corleyw on Sat, 08 March 2014 18:34
		Re: Quietest roof A/C Heat Pump By: corleyw on Sun, 09 March 2014 10:26
		Re: Quietest roof A/C Heat Pump By: Chr$ on Sat, 08 March 2014 18:36
		Re: [GMCnet] Quietest roof A/C Heat Pump By: mickeysss on Mon, 31 March 2014 06:45
		Re: [GMCnet] Quietest roof A/C Heat Pump By: k2gkk on Mon, 31 March 2014 07:22
		Re: [GMCnet] Quietest roof A/C Heat Pump By: mickeysss on Mon, 31 March 2014 10:13
		Re: Quietest roof A/C Heat Pump By: Chr$ on Sat, 08 March 2014 18:45
		Re: Quietest roof A/C Heat Pump By: Loffen on Sat, 08 March 2014 19:05
		Re: [GMCnet] Quietest roof A/C Heat Pump By: USAussie on Sat, 08 March 2014 19:30
		Re: [GMCnet] Quietest roof A/C Heat Pump By: Loffen on Sat, 08 March 2014 19:53
		Re: [GMCnet] Quietest roof A/C Heat Pump By: USAussie on Sat, 08 March 2014 21:25
		Re: [GMCnet] Quietest roof A/C Heat Pump By: USAussie on Sat, 08 March 2014 19:53
		Re: Quietest roof A/C Heat Pump By: quadracerx1 on Sat, 08 March 2014 21:11
		Re: [GMCnet] Quietest roof A/C Heat Pump By: ljdavick on Sun, 09 March 2014 01:58
		Re: Quietest roof A/C Heat Pump By: kerry pinkerton on Sun, 09 March 2014 07:22
		Re: Quietest roof A/C Heat Pump By: tphipps on Sun, 09 March 2014 08:07
		Re: [GMCnet] Quietest roof A/C Heat Pump By: USAussie on Sun, 09 March 2014 08:20
		Re: Quietest roof A/C Heat Pump By: quadracerx1 on Sun, 09 March 2014 09:32
		Re: Quietest roof A/C Heat Pump By: Chr$ on Sun, 09 March 2014 21:39
		Re: Quietest roof A/C Heat Pump By: kerry pinkerton on Mon, 10 March 2014 05:04
		Re: Quietest roof A/C Heat Pump By: lqqkatjon on Mon, 23 June 2014 10:45
		Re: Quietest roof A/C Heat Pump By: lqqkatjon on Tue, 24 June 2014 09:59
		Re: [GMCnet] Quietest roof A/C Heat Pump By: USAussie on Tue, 24 June 2014 10:33
		Re: Quietest roof A/C Heat Pump By: lqqkatjon on Tue, 24 June 2014 11:07
		Re: Quietest roof A/C Heat Pump By: USAussie on Tue, 24 June 2014 12:13
		Re: Quietest roof A/C Heat Pump By: Chr$ on Tue, 24 June 2014 19:28
		Re: [GMCnet] Quietest roof A/C Heat Pump By: USAussie on Tue, 24 June 2014 20:33
		Re: [GMCnet] Quietest roof A/C Heat Pump By: jimk on Thu, 26 June 2014 00:57

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