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Ground Loop Heating & Air Conditioning Ground Loop Heating and Air Conditioning, Inc., is the largest and most experienced geothermal heating and cooling installer this side of the Mississippi. We install WaterFurnace geothermal systems and are proud to bring you over 30 years of WaterFurnace geothermal experience. Ground Loop specializes in all things geothermal. Whether it's a traditional geothermal energy system using vertical, horizontal, or pond loops; geo radiant flooring; or full-time geo domestic hot water; Ground Loop has your answers.
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Ground Loop Heating and Air Conditioning, Inc., is a third-generation family-owned heating and air conditioning business specializing in WaterFurnace geothermal systems. What started as a small sheet metal company in Maryland is now one of the most established geothermal companies in the entire country.
According to the U.S. Department of Energy's Energy Star program, leaky ducts in attics or crawlspaces can account for 20 percent or more of a home's heating and cooling energy losses. This results in higher utility bills for you and difficulty keeping your house comfortable. Run your system, and check all the ducts and joints you can access.
Most people immediately think of furnaces when opting to heat their homes. However, boilers provide a highly effective heat option, have a long life, can reach high heating efficiencies, and some types require little or no pumping energy. Boilers are an important part of a central heating system. They're a continuous closed loop of pipes carrying heated water (or steam) throughout your home.
You may have heard about ductless heating and cooling systems, but do you know about their advantages? The most common HVAC systems are central air conditioners and heat pumps that use ducts to deliver conditioned air throughout a building. Ductless systems are more flexible than traditional systems, because ductless systems don't use ductwork.
Reviews (19)
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Tman Al
Apr 17, 2022
All repair services and maintenance have been performed by professional engineers and technicians at a reasonable price. This has included: replacement of the ground loop circulation pump and manifold; recharge of the loop with demineralized water; and replacement of the heat exchanger and gas for my WaterFurnace system. Not only were the jobs performed correctly, but the system runs more quietly now than it did when new. Moreover, the technical staff are very knowledgeable and friendly. First rate!
Kristen M.
Apr 01, 2022
Ground Loop is a wonderful company. Their technicians are extremely courteous and knowledgeable. Highly recommend Ground Loop!
Anne Swears
Feb 27, 2022
I am so happy that my heating bill is half of what it used to be They installed a new system for me and it is working so good When they come out on a call they are prompt and Professional and knowledgeable Services: Heating system repair, HVAC system maintenance, Install thermostat, A/C system maintenance, Heating system maintenance
Driter
Feb 22, 2022
Since the son Scott took over the business, its gone down. I invested in my Geo system for longevity as I was told 2- 3x's over a gas furnace. Each time a tech came here, they left and something new came up. 2 pipes starting leaking after there last time. Told me its an old unit and what do I expect. I was told that new pipes were needed and couldn't service what was there.

Then my coil needed to be replaced. I have referred countless people to them. I asked them if there was anything they could do for me because of all the money I was putting out this year alone. Scott said he would work something out for me. Tina sent me a quote for almost $5800! I called and she said Scott took $600 off the ticket already. That would put my annual repair with them over $10,000!

I called another Water Furnace company ( Loves Mechanical ). Extremely Professional and came out and evaluated the system. They agreed that the coil needed to be replaced and replaced the washers needed in the pipes that they said could not be serviced for $2600! I've heard ( I'm in the construction / service business ) they've lost some good techs and are just keeping their head above water
Kelly Heilman
Feb 22, 2022
I HIGHLY RECOMMEND this business! I have problems with my geothermal system that my BGE Home contract does not cover. This company came to the rescue and provided a step-by-step plan to correctly identify the problem so that it can be fixed it at the lowest cost. This HONESTY is greatly appreciated, along with the other business characteristics listed above.
Cliff Walsh
Feb 16, 2022
Staff is very courteous. The technicians explained each step in the repair and showed me the before, during and after of the repair. Cleaned up after the work was complete as if no one was ever there. Service: Heating system repair
Anne Wismer
Dec 26, 2021
We have used Ground Loop for 16 years. They installed Geothermal heating in our home while being built and also radiant floors throughout the home. Ground Loop upgraded our system a few years ago. It is extremely efficient. Response is very good when we have an issue or a question. We would recommend this company. Services: HVAC maintenance, Thermostat installation
Bruce Kinzinger
Dec 26, 2021
Excellent, professional service. Had a 4 ton ground loop involving two 400 foot wells installed in 2009, including domestic hot water heating, with great installation and service/ support over the past 12 years. This system helped our family conserve resources, and the earth as well, as we have stayed comfortable. Thank you to the Groundloop team!
Benjamin Remondi
Dec 18, 2021
I have partnered with Ground Loop for 10 years. They have met all my installation and maintenance needs wrt my geothermal (w/radiant heat) system. And they are friendly and easy to work with. Services: HVAC system maintenance, Install thermostat, Install AC, Thermostat repair, Heating system installation, Heating system maintenance, HVAC duct & vent installation, Repair HVAC
Ron Stoughton
Apr 05, 2021
Quality installation, great service, friendly staff, a tad expensive for preventative maintenance contract.
Kieran Connolly
Jan 17, 2021
Excellent company. Very professional. They installed my geo units which work extremely well. They are always available if you have an emergency. I would highly recommend them. Services: Heating system installation, HVAC repair
Andrew Conner
Oct 22, 2020
Great company! They're incredibly responsive and very professional. I'm really happy someone recommended them to me.
Scott Gounaris
Jul 15, 2020
Wonderful company, and Ted Evans is a consummate professional, very knowledge and great to work with. He is very attentive to the customer's needs and has the answers you are looking for. Their pricing is also very reasonable
Mickie Thornton
Jun 02, 2020
They contacted us to let us know they didn't work on a certain thing and that they forwarded our information to another company that did the work. Thank you Ground Loop for helping us!
Matthew Evans
Dec 15, 2019
I had Ground Loop install my system a few years back and have used their maintenance program ever since. My ground loop heating and air system runs great and I love how I save over 40% versus my standard system in my previous home. Ground Loop's employees are always polite and super knowledgeable. I plan on using their winter & summer maintenance program to ensure my system is always working properly.
Ela Anderson -Dhs- Ssc
Dec 10, 2019
I have recently had the pleasure of hiring Justin Bowman to work on my geothermal system. Let me just say I have never met a man at such a young age be so competent, knowledgeable and able to take customer service To a whole new level. Previously I had two different companies supposedly maintaining my system. Little did I know just how incompetent they were.

My system had only been working at 25% capacity, the settings were not set properly, and my system always ran poorly since being installed. Thankfully I found Justin who saved the day. He knew exactly what the problem was and what to do. My system is now working perfectly. I would hire him again in a heartbeat. He is definitely worth his weight in gold. WAY TO GO JUSTIN!
Justin Bowman
Jan 14, 2019
I WOULD RECCOMEND GROUND LOOP TO ANYONE MOSTLY BECAUSE GROUND LOOP HAS MORE YEARS EXPERIENCE THAN ANY OTHER COMPANY WITHIN 400 MILES AND IS THE NUMBER 1 WATERFURNACE SINGLE LOCATION THE NUMBERS SAY IT ALL
Laurie Ann Elligson
Jul 07, 2018
They are awesome! They did a wonderful job for us and we would refer this company to anyone.
Anne Wismer
Mar 20, 2018
We have had a geothermal heating and air system from Ground Loop for 12 years. 16 months ago we needed to replace our 10 ton unit because one of the compressors was broken and the unit no longer could be purchased. Our system was overhauled in about two weeks. We are very happy with the replacement unit. It is much more energy efficient. The staff was great from start to finish.

Ground Loop comes to our home twice yearly for routine maintenance, etc. Justin is our technician we see most of the time. Excellent representation of the company. Always professional, explains what is going on, etc. I would recommend Ground Loop.