Geothermal Companies in Ashburn

Get matched to highly-rated pros near you!

Reviews of Geothermal Contractors

ANorth American Geothermal
North American GeoThermal and their team were stellar - professional, timely, reasonable cost, disciplined, courteous, and stuck with the agreed scope of the project. Their follow-up on all items of work was complete and well done. Their follow-up maintenance on the water furnace has been simple and very reasonable costs. This is THE geothermal company you want to choose for your property. The installation involved a vertical loop geothermal system for my 5000 sf home to replace an oil furnace. Since the work was done in 2015, I've had all of the projected cost savings expected. Now my home that was built in 1970's has uniform heat and cooling in all of the rooms throughout the year at a fraction of what the cost used to be. I highly recommend Richard and the North American GeoThermal team for your geothermal system.
- Nestor F....
BNorth American Geothermal
There were a few problems that we had. Compared to the other one it's better. The geothermal system works fine. There were some landscaping things that they had to tear up in our yard and they didn't get it back to were we wanted it without a couple of visits. They didn't obey the schedule as they told us sometimes by several days. It was a complicated operation and I can understand that. We didn't object at the time, but it was a somewhat inconvenience. They were always available to talk. Sometimes they were ahead of schedule. I hope that we don't have to do this again, They would be our first choice.
- Mary M....
ADESIGN FABRICATORS INC
Luke came out and gave me an estimate for Geothermal installing. I have not had it installed yet but plan to use him when the time is right. He was professional and seemed to know what he was doing. I have had several friends use him to install their geothermal and they highly recommend him. I had two estimates and his was about 10% cheaper, which is pretty significant considering the price of a geothermal.
- Kyle L....
APotter Heating & Electric Inc
I was very impressed with they technicians and their work. It was a geothermal system and they did an excellent job, it is working pretty well.
- Donelson C....
BJohn Nugent & Sons Inc
So, this was a difficult service to rate, because in the end the service I called for wasn't actually done.  But I had to give them an all around conditional positive because they owned up to it and refunded the charge without a big fight.  I have a geothermal furnace; one night it had a trouble light. My regular guy - who had installed and serviced it for the past 10 years or so - wasn't answering his phone, so I called Nugent the next day (Friday).  Their website said they handled geothermals, the lady on the phone said they 'do them all the time'  and she would send her 'best geothermal guy.'  It was freezing and February, so I said yes please.  The guy was late -- he showed up around 7 pm (but remember, it was freezing, February, and he said they were swamped with calls) - and very polite.  Unfortunately, within about ten minutes it was clear that he wasn't a geothermal guy.  He said he hadn't worked on a geo in several years, and he didn't even have the right tools.  He was in fact surprised to learn that the company worked on geos (he was even surprised when I pointed out that the back of his shirt included the work 'geothermal').    So there wasn't much he could do except fiddle with wires for half an hour until I said I'd wait for my guy to call.   I'll give him props, he was willing to try, but it made me nervous.    He said he had to have a check before he left, so I wrote him one.  I felt really bad for him, it was a Friday night and a late call and he really was nice and this was not his fault -- he said he didn't even know he'd been sent out on a geothermal.  I called the company Monday and told them what happened.  They were apologetic and offered to send out another guy Tuesday - but I was a little leary of accepting (remember, this was supposed to be their 'best geo guy').   Eventually my guy called - he was out of town on a family emergency - and fixed the geo in, like, ten minutes.  It was a bad fuse. Bottom line:  although it took some phone tag over a period of days, I reached their service manager Walt and told him the problem.  They refunded my money within 6 weeks.  Everyone seemed really professional (if you overlook the fact that the best geo guy couldn't see that the fuse had melted to the board).  So I'd recommend them conditionally, just not for geos.
- M P....
ATriState Home Services
I called a few companies in the area when beginning research on a GeoThermal Heat Pump. We have used TriState many times over the years, and this experience was no different. Making the switch from a traditional gas furnace/Electric HVAC is no small job, but Bert Miskell walked us through every step of the process, answering all our questions, without trying to "sell" us on his product the way another company did. We chose TriState because we were confident in their experience with previous installations, and because of the thoughtful way our questions and concerns were answered. We are currently awaiting installation, but every step thus far (determining well location, removal of an old, nonfunctioning system, Miss Utility visits) have proceeded exactly as Bert outlined, and he remains accessible and promptly returns phone calls and emails. We are excited to be able to utilize the Federal Tax credits that expire this year, reducing our overall cost by nearly half, and putting expenses very close to a traditional gas system. The costs between all the companies we spoke with were very comparable.
- Celeste D....
ANorth American Geothermal
Richard and his team did a great job. Highly recommend Brandon as the lead installer too. Thorough and responsive. They stayed true to the promised timeline from start to finish. Love the new geothermal system!
- Elizabeth L....
ANorth American Geothermal
Very friendly staff who kept us informed throughout the process.  Dates slipped a little here and there but overall it was a positive experience and we love our new HVAC system.
- Page K....
APresidential Heating & Air Conditioning
It went very well, they were responsive and they kept coming back until we were satisfied. They were clean, they worked long days, they seemed to know what they were doing, I would absolutely recommend them.
- Giri A....
ANorth American Geothermal
We looked into a geothermal system after we decided to replace our oil-burning furnace in late 2016; gas is available on our street but because of our 100+ foot setback was expense to access. We looked into an air-sourced heat pumps but it has relatively high operating costs, especially in the winter. Geothermal looked too good to be true but did a ton of research and asked traditional HVAC companies their opinions (figured they’d have an incentive to layout the potential negatives) and the only downside we could find was the high installation cost. We contacted at least four companies and North American beat them all on cost and professionalism; plus geothermal is all they do and that was reflected in the knowledge and explanation of the process. We have had the system for more than a year and a half (two winters and coming up on our second summer) and it really is great! The promotional material lives up its hype: it is more comfortable, quieter, and cheaper to operate than a traditional HVAC. Because it is so efficient, you set your upper and lower temperatures limits and essentially walk away. North American’s post-purchase service has also been prompt and professional. A geothermal system is a big investment but think it is worth it from the perspective of recouping the upfront cost through efficiency, home value, and—most important—comfort.
- Scott C....
BSupreme Service Today
Overall it was good. Professional staff. Happy with the work they did. The Geothermal unit we installed works beautifully. Only problem that I had was that the whole process was delayed for a month without any explanation. Apparently they had to change the subcontractor company that does the digging, and everything was backed up. We were calling and waiting for a month was kept told that it will be done soon. Things were okay at the end though and I'm overall happy with the process. Had it for a year now and it's running without any problems.
- Eun J....
AIndoor Air Quality Medics
I have used IAQ for over 5 years for 3 different houses. The work has involved everything from regular maintenance of our HVAC systems - one of them being a Geothermal unit, to full on installation of in wall, room by room cooling heating units for a whole house. Every interaction with them has been positive, from the dispatchers to the technicians. Courteous, efficient, competent, straightforward, responsive, with shared priorities - like, not only a well functioning HVAC unit, but like their name says, they care about your family's Indoor Air Quality. I recommend them highly.
- Sharon P....
BParrish Services Inc
They were professional, and cleaned up very well after themselves. However, the design wasn’t well planned because it’s not big enough for our needs. I have had them out for a few service calls since, and I’ve always been satisfied with those.
- Dale D....
AHottle & Myers Inc
The work was done promptly, quickly and neatly. I was looking for heat pump when Larry Hottle suggested we compare the prices with a geothermal unit which is 4 times more efficient. With the gov. rebate on taxes I will receive at the end of this year the price was so close we went geothermal. Boy am I glad I did! The hottest day this summer the air coming out of the registers was 54 degrees! Larry and his sons were great. All three were courteous, well mannered and personable. Great family, I highly recommend these guys!
- Joel A....
ANorth American Geothermal
Excellent! Our AC stopped working in the middle of a heatwave while we were out of town. North American rescued us - and our poor house sitter - with their prompt and effective service. They answered my call on a Sunday and had a repairman at my house at 8:00 a.m. the next morning. I am switching all of my service to them. A++++
- Shannon D....
FBair Necessities
I waited two hours on two separate occasions for an estimate. Not only did Terry, the owner, not show (understandable, at least the first time), neither he nor his wife, Karen, with whom I spoke, had the courtesy to call to let me know he would be late or even to reschedule. It's kind of ironic the website says "Terry lives his values by always being available to his customers." My experience was just the opposite. This is one weird company and I advise you to stay far away from it.
- Steven G....
APresidential Heating & Air Conditioning
Very well. We interviewed 3 contractors before choosing Presidential. They were the most thorough in their estimation process, listened closely to our needs and past experiences with the existing unit, and offered options. Their competitors were good, however, Presidential rose above them in the end by providing the most desirable choices at a competitive price. We scheduled the installation; when the day came they were completely prepared. They removed the old equipment, plumbed-in the new unit, and we had heat from the new unit that evening. They went the extra mile in every respect to ensure customer satisfaction. Very courteous, professional, and thorough. They came back the next day to tidy up loose ends, clean-up, and check system performance. We will recommend Presidential to our family and friends.
- Gerald K....
ATOTAL ENERGY CONCEPTS INC
They are very professional. Back in July, we planned a vacation, but my air conditioner went out, which we were concerned would ruin our trip. I had them come out and did the work when I was not even home. I thought I would end up paying for a new a/c unit, but it ended up only costing $200. I was so pleased with how honest they were and able to just fix the unit rather than replacing it. They saved me and my family's vacation. I called Betty and told her how honest the techs were and how much I appreciated it, especially during the heat wave right around the 4th of July. It may not mean much to them because of their integrity, but it meant so much to me. My air conditioner has worked perfect since then.
- Vincent Y....
AGround Loop Heating & Air Conditioning Inc
We can't say enough positive things about Ground Loop and our geothermal system. The prior owners of our home installed the geothermal system and the system was a major selling point when we purchased our home. The system itself has held up extremely well since it was installed and requires little maintenance. Geothermal heating and cooling also is extremely efficient. We strongly encourage other homeowners looking to help the environment and save on utilities to consider such a system. Ground Loop has a wealth of experience installing geothermal heating and cooling systems. In fact, many other service providers who have visited our home have commented on how clean and professional our geothermal units look. Ground Loop services the system twice a year (once is spring and again in fall) and the Ground Loop technicians are professional, knowledgeable, friendly, and punctual. The Ground Loop office staff is always polite and easy to deal with as well. We have been extremely pleased with Ground Loop and recommend Ground Loop without hesitation.
- Ryan M....
ANorth American Geothermal
Everything went well. There were some loose ends that needed tied up, but in the end, they followed up on everything to make sure it was right.
- Warren W....

Geothermal Installation Near You

A
24
Reviews
Recent Review: North American GeoThermal and their team were stellar - professional, timely, reasonable cost, disciplined, courteous, and stuck with the agreed scope of the project. Their follow-up on all items of work was complete and well done. Their follow-up maintenance on the water furnace has been simple and very reasonable costs. This is THE geothermal company you want to choose for your property. The installation involved a vertical loop geothermal system for my 5000 sf home to replace an oil furnace. Since the work was done in 2015, I've had all of the projected cost savings expected. Now my home that was built in 1970's has uniform heat and cooling in all of the rooms throughout the year at a fraction of what the cost used to be. I highly recommend Richard and the North American GeoThermal team for your geothermal system.
A
1,763
Reviews
angies list certifiedAngie's List Certified
Award 2019Super Service Award
offers couponOffers Coupon
Recent Review: The unit is old and needs to be replaced.  I'm looking into geothermal as a replacement.
C
2
Reviews
Recent Review: Luke came out and gave me an estimate for Geothermal installing. I have not had it installed yet but plan to use him when the time is right. He was professional and seemed to know what he was doing. I have had several friends use him to install their geothermal and they highly recommend him. I had two estimates and his was about 10% cheaper, which is pretty significant considering the price of a geothermal.
A
37
Reviews
Recent Review: I was very impressed with they technicians and their work. It was a geothermal system and they did an excellent job, it is working pretty well.
A
1,372
Reviews
angies list certifiedAngie's List Certified
Award 2019Super Service Award
offers couponOffers Coupon
Recent Review: So, this was a difficult service to rate, because in the end the service I called for wasn't actually done.  But I had to give them an all around conditional positive because they owned up to it and refunded the charge without a big fight.  I have a geothermal furnace; one night it had a trouble light. My regular guy - who had installed and serviced it for the past 10 years or so - wasn't answering his phone, so I called Nugent the next day (Friday).  Their website said they handled geothermals, the lady on the phone said they 'do them all the time'  and she would send her 'best geothermal guy.'  It was freezing and February, so I said yes please.  The guy was late -- he showed up around 7 pm (but remember, it was freezing, February, and he said they were swamped with calls) - and very polite.  Unfortunately, within about ten minutes it was clear that he wasn't a geothermal guy.  He said he hadn't worked on a geo in several years, and he didn't even have the right tools.  He was in fact surprised to learn that the company worked on geos (he was even surprised when I pointed out that the back of his shirt included the work 'geothermal').    So there wasn't much he could do except fiddle with wires for half an hour until I said I'd wait for my guy to call.   I'll give him props, he was willing to try, but it made me nervous.    He said he had to have a check before he left, so I wrote him one.  I felt really bad for him, it was a Friday night and a late call and he really was nice and this was not his fault -- he said he didn't even know he'd been sent out on a geothermal.  I called the company Monday and told them what happened.  They were apologetic and offered to send out another guy Tuesday - but I was a little leary of accepting (remember, this was supposed to be their 'best geo guy').   Eventually my guy called - he was out of town on a family emergency - and fixed the geo in, like, ten minutes.  It was a bad fuse. Bottom line:  although it took some phone tag over a period of days, I reached their service manager Walt and told him the problem.  They refunded my money within 6 weeks.  Everyone seemed really professional (if you overlook the fact that the best geo guy couldn't see that the fuse had melted to the board).  So I'd recommend them conditionally, just not for geos.
A
189
Reviews
Award 2019Super Service Award
Recent Review: I called a few companies in the area when beginning research on a GeoThermal Heat Pump. We have used TriState many times over the years, and this experience was no different. Making the switch from a traditional gas furnace/Electric HVAC is no small job, but Bert Miskell walked us through every step of the process, answering all our questions, without trying to "sell" us on his product the way another company did. We chose TriState because we were confident in their experience with previous installations, and because of the thoughtful way our questions and concerns were answered. We are currently awaiting installation, but every step thus far (determining well location, removal of an old, nonfunctioning system, Miss Utility visits) have proceeded exactly as Bert outlined, and he remains accessible and promptly returns phone calls and emails. We are excited to be able to utilize the Federal Tax credits that expire this year, reducing our overall cost by nearly half, and putting expenses very close to a traditional gas system. The costs between all the companies we spoke with were very comparable.
A
456
Reviews
Recent Review: I had an excellent experience with everyone at Supreme. They got me exactly what I needed and were willing to work with me. I am a very particular person about things and these guys did a great job of listening and following through. I have a historic house and there are a lot of "extra details" that needed to be worked out. Juan was great and it was nice to have a salesman with the mechanical and engineering background to set the system up exactly as needed for the house. The ducting guys were subcontracted but still did a great job of working with me to hid the ductwork as best that could be done with an old house. Cleaned up well too! The excavators were incredible and really took the time to make sure the yard went from looking like a bomb went off to perfectly flat the next day (they even took care of some ruts the well diggers left. Well guys were subcontracted and were in and out in three days; quick and friendly. The installation crew was clean, very informative and professional. The quality crew did a great job on final. I really cant say enough good things. It is really hard to find someone to do anything right these days and I was very skeptical about a huge job like this, but I have to say this was the smoothest job I have had - ever. and my electric bill and the comfort is more than I ever expected. They even helped me with my rebates! Filled out all the paperwork, made sure all was in order. Would definitely recommend!
A
412
Reviews
Award 2019Super Service Award
Recent Review: It went very well, they were responsive and they kept coming back until we were satisfied. They were clean, they worked long days, they seemed to know what they were doing, I would absolutely recommend them.
A
17
Reviews
Recent Review: Great, Tommy arrived when scheduled. He replaced all the filters & pads and checked unit fan issues.
A
761
Reviews
angies list certifiedAngie's List Certified
Award 2019Super Service Award
offers couponOffers Coupon
Recent Review: I have used IAQ for over 5 years for 3 different houses. The work has involved everything from regular maintenance of our HVAC systems - one of them being a Geothermal unit, to full on installation of in wall, room by room cooling heating units for a whole house. Every interaction with them has been positive, from the dispatchers to the technicians. Courteous, efficient, competent, straightforward, responsive, with shared priorities - like, not only a well functioning HVAC unit, but like their name says, they care about your family's Indoor Air Quality. I recommend them highly.