Geothermal Heat Pumps

Everything you need on Geothermal Heat Pumps, including model details, industry rankings and customer reviews, all in one place.

Geothermal Heat Pump Overview

Consumer Reviews of


  • Very Satisfied
  • Somewhat Satisfied
  • Neutral
  • Somewhat Unsatisfied
  • Very Unsatisfied
  • #8 of 16 Geothermal Heat Pumps
  • 46.43% of customers recommended

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Geothermal Heat Pump Reviews

Showing 16-20 of 26 reviews

"Corroded soilder joints"

1.0 rating
Very Unsatisfied

After installing the envision heat pump 4 years ago Waterfurnace's warranty coverage became very clear. After noticing a leak coming from the unit it was discovered the desuperheater was leaking at the socket fitting deep inside the cabinet. After contacting my installer to repair the issue it took water furnace 4 weeks to decide if they were going to cover the claim. After disassembly of the entire unit to repair the issue it was discovered several other fittings severely corroded some of which were not even in service (in floor heating loop) In summary the tech that assembled the unit did not clean the flux after soldering the joints and water furnace does not see this as a manufacturing defect. Same issue has been found in 3 other units of people we know. After waiting another 3 weeks Water furnace (wfi) declined the claim as they do not cover corrosion until it floods your home. Do not buy….as they do not stand behind their work to correct an issue. Thanks for the support after highlighting a qa issue that needs fixing. My next call will be my insurance company to highlight the risk of having one of these units in your home. On a good note…works okay if it's not rotting out.


Bowmanville, Ontario, Canada

"My geothermal pump"

4.0 rating
Somewhat Satisfied

I have owned this unit for a few months now ever since I bought my home. The winter here get pretty brutal and due to some technical issues the central heating system was broken and couldn't be repaired for a huge amount of money so I started looking at alternative ways of heating my home. This does the job and does it while being environmentally friendly and that makes me feel good. The only thing I dislike about it is that it took longer to heat the house than my traditional heating did. I would buy the same brand again but I don't know if any of my friends would be into something like this.


New Haven, CT

"Northern Michigan Winters Solved!"

5.0 rating
Very Satisfied

I've owned the Central Boiler unit for 5 years now. I like the fact that it is built tough and very easy to maintain. There are components that should be replaced annually, but I have not had to replace any parts yet, knock on wood (wood, you get it?). One thing I do not like about the particular model is that it's the smallest model. I should have purchased one model bigger. If you have the opportunity to do so, go for it. You will thank me later for not having to constantly go out and fill up the darn box. I would buy this again and thinking about selling my current one to upgrade to one that is large and EPA certified.


Williamsburg, MI

"Geothermal Heat is the best!"

5.0 rating
Very Satisfied

Last spring we had our Synergy 3D geothermal pump and forced air unit installed in our new Jackson Hole home. What I noticed first this winter was how warm the house felt even through the coldest days. Instead of cold tile under my feet there was warmth. I would definitely recommend this product to my friends because it has been working great since it was installed. What I like most about the unit is that I have yet to find a spot in the house where it feels colder or warmer than the rest. Our old home was about 30 years old and the forced air heater and air conditioner that we had had a number of issues but mainly by going over to our synergy 3D unit we've been able to see a substantial savings in out heating bills. Now, our new home was constructed to energy star certifications with top of the line windows and doors and premium insulation and building materials but we've seen a almost one third reduction in heating bills with an increase of about 500 square feet in size. Anyway, I would suggest this unit to anyone based on what I've seen so far and I doubt that my opinion will change in the future unless something goes very wrong. Thank you for reading!


Jackson Hole, WY

"Cheap and environmentally friendly"

5.0 rating
Very Satisfied

We bought three months ago to replace our old system that came with our house. We were not familiar with these heat pumps before we bought our house and our old one wasn't very efficient. We bought and installed our new heat pump and just love it. We haven't had to fix or replace it but it comes with a good warranty if we run into problems. It runs very quietly, we have not used it to cool our house yet but with kids and pets, we are happy the refrigerant is environmentally friendly. We do not however rely on it for heating our water it doesn't do the best job at that but we have a separate water heater and don't rely on it anyways.



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