Rheem hybrid heat pump hot water heater energy usage
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- Опубликовано: 21 июн 2023
- In this video I compare how much energy my Rheem hybrid heat pump hot water heater uses in heat pump only mode and electric only mode. There’s quite a significant difference.
Here’s a link the the exact water heater I use:
www.homedepot.com/p/Rheem-Per...
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Yea for sure have had my "State or AOsmith" 80 Gallon for 10 years now. It's saved me so much energy cost in my all electric home. I calculated it payed for itself in just 3 years with the cost difference compared to traditional electric water heater.
My question about those is where does the heat initially come from? If it's during the summer, the ambient heat will be the source. Durimg colder months though, it comes from your furnace. I wonder what the overall comparative efficiency is in northern areas. It seems that a simple on demand water heater and simple solar water heater would make more sense.
manual says requires 1500 sq ft from which to draw heat. Also, this heat comes from another paid heat source. So only really good in warm seasons and locations, where it would provide some air con. Can't be used in my small 500 sq ft cottage in winter efficiently, as I heat with resistive heating, a disastrously inefficient conversion. Might cool the place nicely in summer though. BC, Canadia
on demand require installing 40-100 amp 240v circuit, and unit calcifies often because of blistering heat. not proven worth savings. Just super insulate heater. Any heat 'lost' goes to heats house anyway.
Solar water heater good if using thermal evacuated not fluid filled tubes.
Thanks. That's about what I was thinking. Take care!
Heat pump refrigeration technology is getting better every year. I work with equipment like this very often and it can be highly efficient.
@calebrobison193 yes but that's not really what this is...
During winter it is only as cost effective as your heating system. If you got electric resistive heat you might as well just put this in resistive mode.
We mostly heat with wood and a central heatpump, so even in winter it should still be cheaper than the old propane tank water heater it replaced.
A big factor for us was were safety concerns with our old unit being 'orphaned' in an oversized flue. A like for like replacement would require installing a 35 foot steel liner down the chimney to the basement. That added cost made the final installed cost pretty similar.
It depends because it puts cold air into your house. So in the winter your furnace will be working harder.
True. But they have vent tubing you can use to vent it outside. It’s about $150 in materials to do it.
@@unpluggedtexan In Texas it probably isn't a concern. The tubes i've seen are very diy and require a hole cut in the house.
A lot of us already have vent tubes from natural gas furnaces
@@pmgardner90there shouldn't be vent tubes, but a separate intake and exhaust tube that starts and ends outside
*heat pump will be working harder*
If you have a furnace just use gas for water heating. Gonna burn it anyway and it's better than resistance.
Switch to a fully heat pump home to see benefits
If you live in California or anywhere south consider duct the air from and into the attic. In summer you basically pulling in 100F plus hot air to heat the water and then blow cold air into your attic to cool it down. I use less than 2kWH per day...
That’s a very efficient use of this water heater 👍
@@unpluggedtexan Watch the operation mode. In Heat pump only you can reach Up to 50Celsius, but It Will take longer. In automatic mode It uses the resistance, which make the device as efficient as a 150€ electric heater
You need to consider where the heat in heat pump mode comes from. There might be a positive or a negative cost for the heat.
I have same one and only use alittle over 1kw a day, saving a significant amount of energy over my gas unit
How long have you had it? I am about to buy one myself if I keep hearing good things
@@Jeromeeb I’ve only had mine for 99 days according to the app and have used 129KWs so far. I have the 50gal model as that was required in California for instant rebate. I keep my temp set to 125F every morning then allow it to drop to 115F by evening then repeat next morning.
@@CryptoNut82 thanks for the info
I'm sensing a made-for-movie love story here. Keep us posted 😀
I have one, In San Diego area, it takes roughly 1kwh to 1.5kw/day for family of 4 person, costs me around 50c/day max.
Does the heat pump 'outlet' grid on that exhaust cold air and cool the surrounding space? If so, how much?
Yeah it blows cold air in the low 60’s. I have it in a 12ft x 12ft room. I would say it can bring the temp down by 5-10 degrees during the day.
Can confirm, will bring a 10x10 room down in temp between 5 and 10 degree's.
These are very popular in the southern states where you can put them in a garage and they cool the garage and pull the moisture out of the garage air also.
What’s the difference in performance of the two modes? Is heat pump mode slower to recover? It’s just me and my son but he takes hour long showers. Our 75 gallon electric heater is 20 years old and suddenly is producing 211 degree water it feels like. I wanted to find out if these are ok. Our bill went up 40% and our heat hasn’t been working so the increase was because of a defective water heater.
Yes in heat pump mode it is slower to recover than if you use the heating element mode. The recovery time depends on the ambient temperature where your water heater is. Below 40 degrees and the heat pump function won’t work. If it’s 80 degrees in the room it will recover in around 45 min from my experience. I’ve been happy with it. I use about 2-5 kwh’s per day of electricity with my family of 4. At $0.10 per KWH that’s only 20-50 cents per day for hot water.
@@unpluggedtexan thanks. Our rates are 8.19 cents per KWH. My water heater is in our unheated garage so it won’t do well when it’s cold. I guessed that it was going to be like that. Our bill jumped the last 2 months even though our electric heat wasn’t working. The water heater is stuck on full power. After 20 years it’s time to try a new variety. Thanks!
Hi, when you say 3-5kwh per day, wondering how much hot water usage that is approximately, is it getting used all day and by how many people?
Used all day. Family of 4.
@@unpluggedtexanthank you
Does this have a high oitch hum to ot when running? M8nes in my basement and i can hear it upstairs with rhw door closed. I hear it over my fridge while im standing nezt to it even.
I don’t think I would call it a high pitched hum. I compare mine to sounding a little louder than a refrigerator compressor running.
@unpluggedtexan yeah, it depends where I stand. It's not as bad as I thought at first. it's more of an older window ac unit hum.
What is that black thing on top. Is that a custom intake filter?
Exactly. I bought that just in case I wanted to vent that outside to take in outside air. It’s not needed though. In the summer time I like how it sucks in the room temp air and makes the room colder. And in the winter time I’m not going to want to use the colder outside air since it won’t run as efficiently. So that intake adapter I bought for it was a waste of $120.
San francisco we pay 35 cents kw and other charges January
It goes up 13%
That’s ridiculous. I actually had someone arguing with me the other day about how electric rates are going to go down due to renewable energy. 🤦♂️
Impressive! How many gallons and what did it cost for just the appliance?
It’s 40 gallons. It was around $1,600 at the time. I think it’s closer to $1,800 now.
@@unpluggedtexanin California you get a instant $500 rebate and fed will give 30% off project so it’s under $1k now
Do you need to install an expansion tank for a heat pump water heater
As I understand it, it’s no different than a traditional water heater in that sense. If you’re system needed an expansion tank with your old water heater, then you’ll need one with this unit. I don’t need one because I have well water that fills large storage tanks, so my water pressure has somewhere to back feed pressure if needed.
Here in colorado expansion, tanks are required state plumbing code
I live in Florida, My WH is in the garage, always hot and humid, so will this be good to replace my standard Rheem which is now leaking (from top)?
It should work great in FL.
You might want to research what the maximum ambient temperature it can be installed in. Don't know on water heaters but a split system heat pump should not be ran in heat if it's over 65°F outside. Most systems will lockout heat pump operation to protect the compressor.
@@topher8634 I have mine in a utility room that gets as low as 45 degrees in winter and while it takes about 50% longer to heat water it has had no issues.
@@unpluggedtexan lower ambients would only lower heat output. But too high of ambient would cause a high pressure issue. I'd be curious to know the maximum ambient permitted. I'm sure there's a posted figure. Don't think I've ever seen a piece of refrigeration equipment that doesn't have design temps or a maximum ambient listed.
@@unpluggedtexan I just googled it. Looks like 45-120°F and locks out compressor outside of those temps.
Is suitable for house radiator ?
What is the gallon size?
40
What size is this
40 gallon
@@unpluggedtexan oh, OK because I have two water heaters one of them is a year old and the other one is like 15 years old and the older one is for both of the showers in my house and the newer one is the hot water water supply for the kitchen and laundry roomand both of those use about 5 kWh a day and they’re just basic water heaters
Is it loud?
This video answers that question
How loud is the Rheem Hybrid water heater? #shorts
ruclips.net/user/shorts4SGv-NezfEI?feature=share
Yeah, she is loud
For the cost of the unit and installation, based on savings I will just keep my standard setup that gets its juice from solar panels. A lot cheaper and easier to upgrade.
Yes, if you have Solar and either are using it as a load dump or have the capacity a standard electric is more cost effective.
We can't justify the solar since our electric is ~$.08/ kWh so with the rebates it cost the same as a high efficiency gas without the venting requirements.
Need mantinance more frequently and work like ac unit be the end cost 3 o more then gas
I only use 1.2kw a day with this unit, saving a lot compared to gas
In the event that you’re underproducing your first upgrade should be this hybrid water heater. In Florida it’s cheaper to offset a home with this water heater vs and extra 1.5kw. Pays you back quicker. It also cools and dehumidifies the area around it. Very cool tech. We do it for around 3500
looks like you installed it yourself
Yes I did. Plumbers are too expensive these days.
How does it work?
Extracts the heat energy in the air(see the fan labeled outlet) and deposits it in the water to heat it instead of electric strip heat.
@@dirtbikenrcman does it have a compressor and refrigerant?
@@edwardgarza5104 yes
works like a backwards fridge.
They are great while they last and it does not last. I have the exact same unit and the compressor crapped out. POS
Do they honor the warranty?
Our experience as well. They last about a year… then upper heating element fails and they have to replace the whole unit. We’re currently on our 3rd in about 4 years time.
Getting really tired of having to load the thing up to return to Home Depot. I paid a premium to have less issues, not more.
@@matthewhoward13 I have had a State Heatpump water heater for 10 years now with no issues. You need to buy plumbing and electrical products from a supplier and not homedepot. They will sell special cheaper versions to them that fail more often!
tankless are better
If you’re on grid yes. If off grid and don’t want to be dependent on propane then this heat pump water heater is better. Electric tankless water heaters take too much power to use consistently over night.
No, even the gas ones cost more to run. People wanting heat pump water heaters are usually buying them for the lower utility bills. That’s before taking into consideration that they’re effectively free hot water when AC is called for. If people want ridiculous amounts of hot water they can size up to 80 gallon units for a small amount or add a storage tank after the heater.
No way you’re paying 40 cents/kwh 💀 wtf!
I pay about 10 cents per kWh. Not sure where you got $0.40 from. There’s some people in CA that pay that much at their highest tier rate though.
@@unpluggedtexanyeah I left this comment on a totally different video, I have no idea how it got here
FreeZer,,Heat
Yea but cost $2k and will cost hundreds when it breaks . Not worth the headache to save $20 a month
I would agree that is true for the normal person. But someone like me who has an off grid solar system it helps a ton. I can use all the hot water I want at night without burning through my battery bank.
@@unpluggedtexan I see . I’m jealous . Living off the grid .
@@garza7676 you can still not be dependent on the grid even in a regular neighborhood. Just need to spend some time learning. That’s why I started this channel.
@@unpluggedtexan I live in Vegas they actually charge you for not being on the grid in NV .
30% tax credit and utility rebates/tax holiday savings/other savings that states are doing with the IRA money that was allotted to them, and in the summer it would be more like $45 a month at 16 cents/kwh because it’s taking heat from the house so it’s effectively free water heating. One could route it somewhere else with vent dampers for the winter. And with the 10 year warranty Rheem said if something goes wrong they’ll just replace the water heater.