expired Posted by tunabreath • Feb 20, 2025
Feb 20, 2025 10:01 AM
Item 1 of 1
expired Posted by tunabreath • Feb 20, 2025
Feb 20, 2025 10:01 AM
Rheem ProTerra 50 Gal. Hybrid Heat Pump Smart Electric Water Heater
& More + Free Ship to Store$1,488
$1,859
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Side note, I have the 50 gallon one that I self installed almost a year ago and it's been great. My only suggestion is to upsize it from what you would normally have, i.e. if you currently have a 50 gallon, opt for the 65 gallon or 80 gallon to maximize your power savings as the recovery using the heat pump is much slower (especially in the winter here in the PNW due to cold water temp) than resistive heating. After 3 showers back to back expect a recovery time of 4-6 hours using just the HP.
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The COP of a heat pump (approaching 400% effeciency under ideal ambient temp / volume of air) changes that majorly in electrics favor, though also still dependent on electric vs gas prices.
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like obviously you want to steal energy from spaces you aren't paying to heat, but it's not like these won't work in other areas... and non-ideal isn't an argument for trash alternatives.
1. 240v, no wifi, no leak detection.
2. 240v, wifi, no leak detection.
3. 240v, wifi, leak detection.
4. 120v plugin (no heating elements), wifi, no leak detection.
5. 120v plugin (no heating elements), wifi, leak detection.
I recommend the 240v wifi, no leak detection. It's the second cheapest option for the 80 gallon sizes, gives you heating elements for high demand situations, and avoids issues with the leak detection.
In the last a few months, it started leaking badly only after 3 years. So Rheem told me to use the electric mode only. Now it is consuming 350 KWh per month. $150 / month only for the water heater.
This is not just extremely loud, but also vibrating a lot. Once it starts running, you can hear and feel it. Never get used to even after 3 years.
1. Consumes a lot more energy than my previous 20 years old gas heater. My gas bill was $15 and now I have to pay $150 for electricity
2. Taking forever to heat up. Only one person can take a shower and for the next 3 hours nobody can
3. By the definition of heat pump, it is exposed to the outside world. It keeps losing the heat all the time. It has to continue running in the middle of night to maintain the temperature
4. The phone app is horrible. Doesn't work most of the time
Don't even think about buying this unless you are living in a state where the electricity is virtually free
1. Using PGE rates, electric only costs ~3-4 times more than gas, while heat pump only would be a wash. This could differ elsewhere in California; I only looked at PGE.
2. False if appropriately sized. This is user/installer error. Our 80 gallon can easily handle 3 showers in a row set to 120 F, and can definitely handle more if turned up to 140 F or higher.
3. This is not how heat pumps work. You wouldn't say that your house is exposed to the outside world because you have an air conditioning system now, would you? All air conditioners are heat pumps.
4. I agree on the phone app, especially with the way it requires an account to be used. No local control available.
It makes noise. Nearest bedroom is across a hallway. Doesn't seem to wake my son up.
I keep playing with the scheduled temps. I may settle on 140F from 6 AM to 3PM, and then 120 F outside of those hours. Kills Legionella, has highest temps when people normally take showers, gives extra buffer for multiple showers, and then saves money when prices for electricity go up.
So far, since the three of us have shower schedules apart from each other, nobody's run out of hot water. When I had it at 120 and the wife had done dishes, I did get close, maybe.
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Electric tankless is not a great solution - most people need to upgrade their electrical or at least run a special breaker to do it and it still can't keep up depending on household needs.
I'm betting the people bragging are gas tankless, which is probably the best mix of cost/efficiency/comfort out there (again, if your gas prices are cheap).