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RegGuheert
Posts: 6419
Joined: Mon Mar 19, 2012 4:12 am
Delivery Date: 16 Mar 2012
Leaf Number: 5926
Location: Northern VA

Re: How to recharge your heat-pump water heater (HPWH)

Tue Nov 10, 2015 12:54 pm

TomT wrote:Actually, they used to... Modern G.E. refrigerators have poor reliability records (look at CR)...
O.K. The one we have now is 15 years old, so I guess it is no longer current. If the leak rate of sealant in the HPWH is any indication, I believe you!
RegGuheert
2011 Leaf SL Demo vehicle
10K mi. on 041413; 20K mi. (55.7Ah) on 080714; 30K mi. (52.0Ah) on 123015; 40K mi. (49.8Ah) on 020817; 50K mi. (47.2Ah) on 120717; 60K mi. (43.66Ah) on 091918.
Enphase Inverter Measured MTBF: M190, M215, M250, S280

jongig
Posts: 2
Joined: Tue Nov 10, 2015 6:13 am
Delivery Date: 10 Nov 2015
Leaf Number: 553628

Re: How to recharge your heat-pump water heater (HPWH)

Tue Nov 10, 2015 1:35 pm

Well, this just got more interesting.

Last week I called GE and they told me that they would not pay for the service call and I really don't want to put the money into a 6-year old water heater, said that sorry.

Today, just for the heck of it I called again because I'm now certain that the refrigerant has leaked out, thanks Reg. They told me that I had my condenser replaced in spring 2012 and at that time they had not figured out why the units were leaking. As of November 2012 they discovered that because they didn't use tin in the condenser that was made in China that it would no last here in the US. Sounds odd but the end of this story is that they're paying for another service call and they plan on once again replacing the condenser.

They said that filling it will not work in the long run because the condenser is susceptible to pin hole leaks due to the way it was made and that it must be replaced for the unit to function normally.

They made an appointment to come out to fix mine in two weeks and I'll update you on what happens.

Sad part about this is it's an expensive fix for them and I'd just rather have the money to go out and get a discount on a new one.

John

User avatar
RegGuheert
Posts: 6419
Joined: Mon Mar 19, 2012 4:12 am
Delivery Date: 16 Mar 2012
Leaf Number: 5926
Location: Northern VA

Re: How to recharge your heat-pump water heater (HPWH)

Tue Nov 10, 2015 3:35 pm

Thanks for the update, John. It's good to hear that they found the problem.

I'll keep adding refrigerant to mine until it dies. GE does not service these units in this area (they have a worthless third party that does it) and it costs more to roll a truck than to simply recharge the unit.
RegGuheert
2011 Leaf SL Demo vehicle
10K mi. on 041413; 20K mi. (55.7Ah) on 080714; 30K mi. (52.0Ah) on 123015; 40K mi. (49.8Ah) on 020817; 50K mi. (47.2Ah) on 120717; 60K mi. (43.66Ah) on 091918.
Enphase Inverter Measured MTBF: M190, M215, M250, S280

paulcone
Posts: 29
Joined: Tue Oct 20, 2015 11:49 pm
Delivery Date: 21 Oct 2015
Location: Portland, Oregon

Re: How to recharge your heat-pump water heater (HPWH)

Wed Nov 11, 2015 9:54 pm

We got an AirGenerate ATI-66 heat pump water heater a couple of years ago. No problems. 10 year limited warranty on the whole unit, and lifetime warranty on the tank. It was $3100 installed but after incentives and credits our cost was less than $700.

User avatar
RegGuheert
Posts: 6419
Joined: Mon Mar 19, 2012 4:12 am
Delivery Date: 16 Mar 2012
Leaf Number: 5926
Location: Northern VA

Re: How to recharge your heat-pump water heater (HPWH)

Fri Nov 13, 2015 6:09 am

paulcone wrote:We got an AirGenerate ATI-66 heat pump water heater a couple of years ago. No problems. 10 year limited warranty on the whole unit, and lifetime warranty on the tank. It was $3100 installed but after incentives and credits our cost was less than $700.
Wow! That's quite a lot of incentives! (I bought our GE for $800 with no government incentives. It was a floor model.)

This guy indicates that he and his wife are unable to take two showers without the water getting cold. That is with a 66-gallon tank set to 135F:




He feels the design is rather lacking.

In contrast, we can easily take four showers with our 50-gallon GE set 18F (10C) colder at 117F. We use a lot of hot water, so it saves us a lot of electricity. The issue with the GEs is that the refrigerant leaks out rather quickly. But when it works, it works well. Fortunately, it's not too difficult to recharge.
RegGuheert
2011 Leaf SL Demo vehicle
10K mi. on 041413; 20K mi. (55.7Ah) on 080714; 30K mi. (52.0Ah) on 123015; 40K mi. (49.8Ah) on 020817; 50K mi. (47.2Ah) on 120717; 60K mi. (43.66Ah) on 091918.
Enphase Inverter Measured MTBF: M190, M215, M250, S280

Darrenf
Posts: 33
Joined: Tue Sep 15, 2015 7:20 pm
Delivery Date: 14 Sep 2015

Re: How to recharge your heat-pump water heater (HPWH)

Fri Nov 13, 2015 8:18 am

I got my GE about 14 months ago now. Installed it myself and cost after incentives was about $500. It's already paid for itself. Wife and I haven't had any problems with running out of hot water yet.

User avatar
RegGuheert
Posts: 6419
Joined: Mon Mar 19, 2012 4:12 am
Delivery Date: 16 Mar 2012
Leaf Number: 5926
Location: Northern VA

Re: How to recharge your heat-pump water heater (HPWH)

Sat Nov 14, 2015 2:54 am

Darrenf wrote:I got my GE about 14 months ago now. Installed it myself and cost after incentives was about $500. It's already paid for itself. Wife and I haven't had any problems with running out of hot water yet.
I'm guessing you have one of the newer, red HPWHs from GE. Please come back in a couple of years and let us know how it is holding up. Hopefully those are much better.
RegGuheert
2011 Leaf SL Demo vehicle
10K mi. on 041413; 20K mi. (55.7Ah) on 080714; 30K mi. (52.0Ah) on 123015; 40K mi. (49.8Ah) on 020817; 50K mi. (47.2Ah) on 120717; 60K mi. (43.66Ah) on 091918.
Enphase Inverter Measured MTBF: M190, M215, M250, S280

Darrenf
Posts: 33
Joined: Tue Sep 15, 2015 7:20 pm
Delivery Date: 14 Sep 2015

Re: How to recharge your heat-pump water heater (HPWH)

Sat Nov 14, 2015 6:14 am

RegGuheert wrote:I'm guessing you have one of the newer, red HPWHs from GE. Please come back in a couple of years and let us know how it is holding up. Hopefully those are much better.
You are correct. I bookmarked this thread earlier for that exact reason. :)

paulcone
Posts: 29
Joined: Tue Oct 20, 2015 11:49 pm
Delivery Date: 21 Oct 2015
Location: Portland, Oregon

Re: How to recharge your heat-pump water heater (HPWH)

Wed Nov 18, 2015 10:45 pm

RegGuheert wrote:
paulcone wrote:We got an AirGenerate ATI-66 heat pump water heater a couple of years ago. No problems. 10 year limited warranty on the whole unit, and lifetime warranty on the tank. It was $3100 installed but after incentives and credits our cost was less than $700.
Wow! That's quite a lot of incentives! (I bought our GE for $800 with no government incentives. It was a floor model.)

This guy indicates that he and his wife are unable to take two showers without the water getting cold. That is with a 66-gallon tank set to 135F:




He feels the design is rather lacking.

In contrast, we can easily take four showers with our 50-gallon GE set 18F (10C) colder at 117F. We use a lot of hot water, so it saves us a lot of electricity. The issue with the GEs is that the refrigerant leaks out rather quickly. But when it works, it works well. Fortunately, it's not too difficult to recharge.
My wife and I take showers back to back without any problem. We have it set to 120.

That being said, since that post I learned that Airgenerate went out of business due to quality control problems, so I'm crossing my fingers ours will last a while since there's nobody around to cover any warranty claims. There are some new models coming out though and the tech seems to be improving. The NEEA (a consortium of electric providers in the Northwest) is doing a lot of research and support... https://neea.org/initiatives/residentia ... er-heaters

robertcuevas
Posts: 2
Joined: Tue Nov 24, 2015 6:20 am
Delivery Date: 24 Nov 2015

Re: How to recharge your heat-pump water heater (HPWH)

Wed Dec 09, 2015 3:25 am

Thanks for sharing.

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