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Old 03-27-2010, 11:44 PM   #1
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Heat Pump Water Heater


I did search and didnt find much on heat pump water heaters.

Today, I picked up a GE Hybrid water heater at the big blue box store. My state started offering a rebate of $250 off on HE heat pump water heaters. By the time I factored in the store sale, competitve price match with another store, the state rebate and the 30% federal tax credit, our ROI on the unit should be just a little over 2.5 years.

I installed it this afternoon and so far, it seems to be working great.

It is a GE GEH50DNSRSA

More information can be found at: http://www.geappliances.com/heat-pum...r-features.htm

Below are some photos of the install.
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Old 03-27-2010, 11:45 PM   #2
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One of the negatives to it is the high pitched noise of the fan. The unit is installed in the basement, and when it is running in the evenings, it can be heard 2 floors up.

It sounds like a shop vac running at the neighbors...that same type of sound, just not as loud.

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Old 03-28-2010, 09:17 AM   #3
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Heat Pump Water Heater


I just looked at my 50g electric & it states $400 a year
I think it might be off depending upon what they used as electric rate
How much was final cost on this ?

I think the fan would nix it for me
I can hear the refridge in the kitchen going on & off at night
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Old 03-28-2010, 07:14 PM   #4
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Heat Pump Water Heater


Dave, most of the yellow labels I have seen, state the the KWHR rate that was used for the calculation.

My old 50 gallon unit label was based off of 4671 kwHrs @ $.09 kwhr rate. We pay $.105 here.

Anyways, after all price matches, state credit and federal credits, sales tax and 11 year extended warranty, the price was $723.

Since my old unit was a 2006 unit and was relatively efficient, I gave it to a family member who used it to replace their 18+ year old unit. So a double win if one was to ask me. Their old unit is what I am turning in as part of the state recycling program.

As for the noise, since it is down in the basement, its not too noticeable up on the 2nd floor.

If we were in a smaller house, and the unit was not in an obscure place, I'd be unhappy with the noise.

Since Midnight, it was on for 7 hours...and has been off for the past 70 minutes.
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Old 03-28-2010, 08:37 PM   #5
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What kind of places do you have to install those to be able to pull heat from the air? Do they have to be well ventilated?

Never put one in before, just curious on the ins and outs.
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Old 03-28-2010, 09:30 PM   #6
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They say in at least a 10' x 10' x 7' room. If any smaller, the manufacture said to make sure there is a louvered door or source of air.

They also state to use it in a room with at least a temp of 45 degrees. So that rules out unheated garages in colder climates. Meaning, it'll have to resort to the traditional heating elements to heat the water.

In the winter, the unit does put more demand on the HVAC system as it takes the heat in the air and puts it into the water heater, and takes the cold from the water and exhausts it into the room.

This requires the HVAC system to re-heat that air.

In the summer/cooling season, it actually helps reduce the load on the HVAC system.

Mine is installed in an unfinished 30'x50' basement that has an avg temperature of 60-68 degrees.
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Old 03-28-2010, 09:37 PM   #7
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Interesting data.

We used 24 gallons of hot water for a bath for one of the kids.

The water heater ran for 70 minutes to get that replacement 24 gallons up to 120. IIRC, our incoming water temp is around 55.

The fans on the unit are still running, but the compressor is not. I wonder why the fans keep running after the call for heat is over. Hmmh.
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Old 04-04-2010, 08:43 AM   #8
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How is the recovery on it compared to your older heater? Can 2 people take a shower in a row?

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