[RE-wrenches] Water Heater Heat Pumps

[William Dorsett]

Dan was this a mini-split? The one's I've installed (typically not for 1800sqft house) spec AWG 14 or 12 so the full power draw on these can't be anywhere near that. In fact, there are two or three which are PV direct i.e.:
http://www.hotspotenergy.com/solar-air-conditioner/HotSpot-ACDC12b.pdf

which looks rebranded but with a SEER of 35,  it's certainly worth a look.  Gree also has one for which I don't have the tech sheet. The highest AC brand that I know of is Fujitsu and the SEER on it is ~26.

Bill Dorsett
Manhattan, KS

-----Original Message-----
From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Dana
Sent: Tuesday, May 26, 2015 9:54 AM
To: 'RE-wrenches'
Subject: Re: [RE-wrenches] Water Heater Heat Pumps

What kind of power draw do you see on this unit? & what kind of duty cycle do you see for 2 people or 4 people?

I amp clamped a 1800 sqft house heat pump for DHW & house heat in full power and measured 4338 watts & have a rough time recommending heat pumps for off grid.

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Dana Orzel
Great Solar Works, Inc -  NABCEP # 051112-136 E - dana at solarwork.com  - Web - solarwork.com O - 970.626.5253  C - 208.721.7003 "Responsible Technologies for Responsible People since 1988"  
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-----Original Message-----
From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Tom Lane
Sent: Monday, May 25, 2015 3:59 PM
To: re-wrenches at lists.re-wrenches.org
Subject: [RE-wrenches] Water Heater Heat Pumps

Water heater heat pumps make excellent sense in a garage in HOT HUMID SOUTHERN CLIMATES and about 700 square feet of garage space is necessary AND you must run a condensate line like an air conditioner . DO NOT PUT THEM IN CLOSETS AND OR SMALL LAUNDRY ROOMS UNLESS YOU CAN VENT 700 square feet of unconditioned air space to them . They are noisy , but a garage in a humid hot southern climate is a good choice and with a time clock set for 11:00 AM to 4: 00 PM when the air in the garage is hot AND solar grid tied system is operating is a great strategy . GatorTom

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