Expert HVAC Contractors in Gaithersburg, MD

The highest-rated Heating & Air Conditioning companies out of 107 vetted & reviewed in the Gaithersburg area.

Cool Breeze Plumbing

Cool Breeze Plumbing

(29)
Preventive Maintenance, Repair Service, Drain & Sewer Repair
“Today, Bryan came by to perform maintenance on my 22 year old furnace. He is very professional and really understands this furnace. He explained each step performed and answered all my questions. I told him this furnace is performing better now th...”
Emergency Services
Coupons & Offers
In Business Since 1988
Accepts All Major Credit Cards
18918 Premiere Ct, Gaithersburg, MD
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James A. Wheat and Sons Inc.

James A. Wheat and Sons Inc.

(29)
Bryant, Daikin, Carrier
“Andres and his team, Bahar and Caleb, were professional, friendly, and, more importantly, finished the work all in one day. They kept me informed every step of the way what was going on and there were no surprises. They left the premises cleaner than...”
Average Price Tag
Free Initial Consultation
Coupons & Offers
Family Business
7834 Beechcraft Ave, Gaithersburg, MD
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ADI Heating & Air Conditioning

ADI Heating & Air Conditioning

(30)
Ductless, Duct Work, Energy Efficiency
“If I could give 6 stars, I would. Ronen and his crew were outstanding. They covered every surface they walked on and left our house spotless. Not only was his bid the lowest, he gave a further discount of $1,000 for doing two systems at once. He uses...”
Offers Financing Options
In Business Since 2003
Accepts All Major Credit Cards
Coupons & Offers
21529 Ripplemead Dr, Gaithersburg, MD
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Michael Bonsby Hvac and Plumbing

Michael Bonsby Hvac and Plumbing

(29)
Preventative Maintenance, Air Conditioning Repair & Installation, Residential Heating & Cooling
“My HVAC went out on a Monday morning during the first cold snap of the year. The technician came the very next morning and the problem was solved 28 hours later. Visit fees, service rates and parts, at the upper tier of market rates but well worth th...”
Emergency Services
Family Business
Coupons & Offers
In Business Since 2012
7950 Cessna Ave, Gaithersburg, MD
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Congressional Heating & Air Conditioning

Congressional Heating & Air Conditioning

(12)
Services, Commercial Hvac Services, Residential Hvac Services
“I needed new AC unit after some house renovations. My friend recommended Congressional and to my surprise, it was actually great! They offered me a bunch of deals before we actually settled for the price which i think is best for my budget. BTW I'...”
Coupons & Offers
In Business Since 2012
Accepts All Major Credit Cards
Free Initial Consultation
18930 Premiere Ct, Gaithersburg, MD
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Parker Pearce Service Experts

Parker Pearce Service Experts

(30)
  • Window
  • Shoe
  • Mask
“I had Parker Pierce install a new Lennox AC. It works very well. I also got an HVAC service contract. They come out twice a year. First to service the furnace for winter and then the ac for the warmer months. Ronald performed the furnace service...”
Offers Financing Options
In Business Since 2014
Emergency Services
Licensed
7901 Beechcraft Ave Suite C, Gaithersburg, MD
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Atlantic Coastal Cooling & Heating

Atlantic Coastal Cooling & Heating

(30)
  • Unit
  • Crew
  • Needs
“Atlantic Coastal Cooling and Heating, Inc. if always my go-to for HVAC maintenance and repairs. They are always professional and take time to explain things thoroughly to me. The technician was able to quickly identify why my air conditioning wasn't ...”
Family Business
In Business Since 2002
Free Initial Consultation
Transparent Fees & Pricing
7845 Cessna Ave, Gaithersburg, MD
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United Service Specialists Heating

United Service Specialists Heating

(30)
  • Price
  • Competent
  • Projects
“This Company is a Great Company!! I talked to Keon(Ihope Ispelleditright) Who had Great Customer Service. He set-up my appointment and was very informative about what was needed and when the parts would arrive. When I called about the status of our ...”
Coupons & Offers
In Business Since 1978
Offers Financing Options
Licensed
7559 Rickenbacker Dr Suite A, Gaithersburg, MD
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Sichinava Heating and Air Conditioning

Sichinava Heating and Air Conditioning

(30)
  • Unit
  • Information
  • Warranty
“I just purchased my first condo and to my surprise my a/c was not working the day I closed. I immediately contacted my home warranty who connected me with Vick. He was able to come out very quickly and assess the problem. During the process he kept m...”
In Business Since 2021
Free Initial Consultation
Licensed
396 N Summit Ave, Gaithersburg, MD
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Air Quality Heating & Air Conditioning

Air Quality Heating & Air Conditioning

(1)
“I called Air Quality to fix my system because I was not getting any cold air. I was provided a window of time and Andy came out right on time. He was very quick, wore a mask and was in and out within about 2 hours. Will absolutely be calling them aga...”
In Business Since 1996
Coupons & Offers
Accepts All Major Credit Cards
100 Tulip Dr, Gaithersburg, MD
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Presidential Heating & Air Conditioning

Presidential Heating & Air Conditioning

(29)
  • Heat Pump
  • Thermostat
  • Competent
“We had a technician from another company come in when our heat wasn't working and we were told that we needed to rewire the units. We got a second opinion from Presidential Heating & Air and it turned out that wasn't the case and they fixed it in an ...”
Offers Financing Options
Free Initial Consultation
In Business Since 1985
Accepts All Major Credit Cards
8000 Cessna Ave, Gaithersburg, MD
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GAC Services

GAC Services

(28)
Indoor Air Quality, Cooling, Electric
“My family found ourselves without air conditioning going into the holiday weekend. I reached out to GAC Services to see about moving our house over to a heat pump system as our furnace was also on borrowed time. I was thrilled that they were able to ...”
Offers Financing Options
In Business Since 2009
Emergency Services
Family Business
227 E Deer Park Dr, Gaithersburg, MD
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Simply Home Service

Simply Home Service

(24)
  • Pricing
  • Diagnose
  • Job
“Everything about my experience with Simply Home Service was fantastic. Very personable and professional. Didn't take any time to diagnose the issues and have it repaired. If your looking for quality work, awesome attitude with a fast response this is...”
In Business Since 2021
Free Initial Consultation
Emergency Services
9326 Taverney Terrace, Gaithersburg, MD
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Eli's Air Conditioning & Refrigeration

Eli's Air Conditioning & Refrigeration

(3)
Sheet Metal Work, Duct Systems
“Absolutely wonderful company. Very honest, straightforward and prompt. Jackie and Dale were truly compassionate and kind.”
Emergency Services
Family Business
In Business Since 1979
Accepts All Major Credit Cards
7846 Beechcraft Ave, Gaithersburg, MD
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KCK Air Conditioning & Heating Consultants

KCK Air Conditioning & Heating Consultants

(8)
Hydro Jetting, Fast, Reliable Plumber, Water Heaters- Gas & Electric
“Chuck the technician came over for a seasonal inspection. He thoroughly tested the inside and outside unit. He found a weak capacitor in the outside unit and told me what would happen if the part failed in the future. I opted to replace the part and ...”
Free Initial Consultation
In Business Since 2012
Coupons & Offers
Emergency Services
16887 Oakmont Ave, Gaithersburg, MD
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Woodlawn Corporation

Woodlawn Corporation

“Is the premier heating and air conditioning contractor in Washington DC and surrounding Metropolitan Area. We primarily focus in the commercial construction markets including residential units, office buildings, hotels and educational institutions. W...”
In Business Since 1960
8573 Atlas Dr, Gaithersburg, MD
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Densel Co

Densel Co

(3)
“Best contractor ever good people fair market pricing the best in the DMV!! For any heating cooling commercial and residential call these guys superior service and never made me feel like just a "number". I highly recommend!!”
In Business Since 1974
7640 Airpark Rd # A, Gaithersburg, MD
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Enviro-Aire Mechanical Services

Enviro-Aire Mechanical Services

Refri Equip
“Our commercial service department is dedicated to providing the highest quality preventive maintenance, equipment repairs and existing building systems replacement.”
Emergency Services
In Business Since 1980
Accepts All Major Credit Cards
Licensed
7924 Queenair Dr, Gaithersburg, MD
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Santy and Sons Hvac

Santy and Sons Hvac

Water Heaters, Air Conditioning, Air Quality
“Regardless of whether your Gaithersburg property is a one-room apartment or a huge institutional space, you need the HVAC system to simply work. Our team of air conditioning, heating, and ventilation experts can install new systems, repair existing o...”
In Business Since 2016
Emergency Services
4401 Sundown Rd, Gaithersburg, MD
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Smart Supply Co

Smart Supply Co

(2)
“Mike the owner is very knowledgeable and offeres wise answers to questions I always have for him. I like working with an honorable proprietor.”
In Business Since 1999
Accepts All Major Credit Cards
16628 Oakmont Ave, Gaithersburg, MD
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Bethesda Refrigeration Services Inc

Bethesda Refrigeration Services Inc

(1)
“Dave came out to take a look at our leaking forced air furnace and he was fantastic. He even gave advice on a few other house issues we've been having. He was a really nice guy and just really helpful.”
9016 Edgewood Dr, Gaithersburg, MD
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Quality Air Experts LLC

Quality Air Experts LLC

(25)
Maintenance, Commercial Heating Maintenance, Heating Installation
“The company responded immediately and sent a technician the same day. Daniel did the trouble-shooting and recommended a 2nd visit with an expert on the system I owned. The technician by the name of Hazer was very knowledgeable and gave options for ...”
Se Habla Español
In Business Since 2018
Coupons & Offers
Offers Financing Options
Serving Gaithersburg Area
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RS Gregory Heating and Air Conditioning

RS Gregory Heating and Air Conditioning

(22)
  • Job
  • Installed
  • Team
“Steve and Mario came out right on time, but I had put us down for half hour later on my calendar. So I was late. No matter, they'd gotten right to work, and in less than an hour they'd fixed a leaky line, replaced a capacitor, and filled up the unit ...”
Coupons & Offers
In Business Since 1983
Accepts All Major Credit Cards
Free Initial Consultation
Serving Gaithersburg Area
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Gary P. Frank

Gary P. Frank

(28)
Heating Services, Generator Services, Cooling Services
“I live in a condominium building and was out of town for 2 weeks. A neighbor called one evening to tell me that the condensate line on my A/C unit was stopped up and that water was overflowing into the drain pan. I called the Gary Frank emergency l...”
Emergency Services
In Business Since 1993
Accepts All Major Credit Cards
Licensed, BBB Rating: A+
8918 Ridge Pl, Bethesda, MD
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HVAC, Heating & AC Services in Gaithersburg, MD Cost Estimates

Minimum cost
$1926
Maximum cost
$11541
National Average
$6008
Avg Per Hour Rates
$160
$4124
$7963
Fair price range is based on 407 cost profiles
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Average Cost $6008
Minimum cost $1926
Maximum cost $11541
Avg Per Hour Rates $160

Fair range $4124 to $7963 is based on 407 cost profiles.

Why these companies made our list

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