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Top-Rated Geothermal heating or cooling system installers in Dallas - Updated Nov 2026

Avatar for Southern Air Mechanical
Southern Air Mechanical
5.0(
21
)
Geothermal Heating or Cooling System - Install

Serving Dallas, TX and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Excellent. I can't say enough about how pleased I am with Southern Air Mechancial LLC for my Air conditioning service needs. Out of habit, I had been using another vendor who recently told me in the last 10 days that my unit was oversized for my duct work, that it was going to take 6 hours to fix it, and was about to sell me a part with installation and labor that would have cost $1400. The tech said it would break in a year and the owner basically tried to sell me a new AC unit. Got a little suspicious after asking if my unit could be adjusted since it was a variable speed down to a 3 ton and the owner said, "well, let me send my tech again". I called Southern Air and spoke to Clint, the owner. I had purchased the unit 7 years ago and without hesitation, Clint visited with his technician, and replaced the part that was a known problem with my manufacturer. He warrantied the part and was back out in two days and had the system cooling within 2 hours. I will only use Southern Air Mechanical and now know how trustworthy they are and what excellent service they provide. You can't and will not go wrong by choosing Southern Air Mechanical for your AC needs."
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+1

Response time1 day
7 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Metro Air Conditioning Heating & Services
Metro Air Conditioning Heating & Services
4.5(
66
)
Geothermal Heating or Cooling System - Install

Serving Dallas, TX and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"Metro Air did an excellent job! I highly recommend this company, especially Ron, my technician. At first I thought i just needed Freon , then thought it was a bad capacitor, come to find out I needed a whole new outside unit. The price was on the higher end of the spectrum when I googled comparable pricing, however the customer service I received was excellent. All care was kept in keeping my home, inside and outside, clean and tidy. Ron was prompt and pleasant to work with. They work on Sundays, and came out immediately when I called with my air troubles. Great company! Thank you Metro Air!"
ducts extended from supply air plenum
Response time2 days
5 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Climate Crew Llc
Climate Crew Llc
New to Angi
Geothermal Heating or Cooling System - Install

Serving Dallas, TX and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

Climate Crew was officially established in 2022, with 7+ years of experience in the field. We are ready to help anyone who is in need of any air conditioning/ heating work at an affordable price! You can count on an exceptional and professional service that will meet all of your all of your needs! From routine maintenance to ventilation/ductwork and full system replacement/installation. We do it all! \n\nWe specialize in both residential and commercial!

Response time9 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for Spencer Air Conditioning & Heating
Spencer Air Conditioning & Heating
4.8(
116
)
Geothermal Heating or Cooling System - Install

Serving Dallas, TX and surrounding areas

In business since 1960

Emergency services offered

Warranties offered

"Great! Friendly and professional. My unit wasn’t cooling and with current heat, the prompt response to service my unit was greatly appreciated. Spencer air conditioning and heating hires great people."
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+15

Response time5 hrs
Response rate100%
Recommended by96%of homeowners
Avatar for DT Air Conditioning & Heating
DT Air Conditioning & Heating
4.9(
493
)
Geothermal Heating or Cooling System - Install

Serving Dallas, TX and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"DT Air Conditioning did a great job from the quote through the installation of my new AC units. Dana walked through my home to assess my situation and provided 3 recommended options for my needs. He took the time to answer all of my questions and explain everything. On the day of the install, they brought a large crew and got both systems swapped out in about 6 hours. Love the new systems and appreciate the attention to detail and the involvement of the owner in being onsite to oversee and ensure the work is up to his high standards. Would definitely recommend DT :)"
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+4

Recommended by97%of homeowners
Avatar for STUART HVAC, LLC
STUART HVAC, LLC
4.7(
49
)
Geothermal Heating or Cooling System - Install

Serving Dallas, TX and surrounding areas

In business since 2005

Emergency services offered

Credit card accepted

"Came in looked at the system, said we needed to replace a part and when I wasn't interested in doing that he closed everything up and left. In the past the service providers we have used have taken readings, provided us with the diagnostics, cleaned the system and the coils. This was a huge waste of money."
Recommended by93%of homeowners
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