Best Heating & Air Conditioning / HVAC In Gaithersburg

Below are the best 20 HVAC services in Gaithersburg picked by BestProsInTown

7AM - 6:30PM

227 E Deer Park Dr, Gaithersburg
GAC Services Hvac

“We've been regular customers with GAC for more than 3 years now. We were very luck that the first electrician they sent out to us was Chris M. We were so pleased with Chris' professionalism and work that we've requested him exclusively for all other services since (and GAC is always happy to oblige). Chris is always on time, takes the time to listen to our concerns, and then educates us on the issue and solutions. GAC's prices are very reasonable and we're extremely happy with Chris' work. Thanks GAC and thank you Chris! Recently, we also had a visit from one of their plumber's, Richie. Richie communicated the problem clearly and fixed us right up. Thanks, GAC!“

4.9 Superb283 Reviews

8AM - 11PM

9326 Taverney Terrace, Gaithersburg
Simply Home Service Hvac

“I was referred to Simply Home Service by one of my friends as my HVAC tech retried. Simply Home Service came on time and serviced my system. They made me aware of an issue with my system, and with my permission, fixed it immediately. I'm pleased with Simply Home Service and would recommend them to anyone that needs a new HVAC tech.“

5 Superb89 Reviews

9AM - 7PM

396 N Summit Ave, Gaithersburg
Sichinava Heating and Air Conditioning Inc. Hvac

“I had an outstanding experience with Sichinava Heating and Air Conditioning. Vick texted ahead with his ETA, arrived right on time and got straight to work. He quickly pinpointed the issue (failed capacitor + clogged drain), showed me the readings so I could see it myself, and gave a clear, upfront price before doing anything. No upsell—just honest options and what he’d choose if it were his home. Within an hour my system was cooling again, the thermostat was calibrated, and airflow was noticeably better. Vick walked me through simple maintenance tips to prevent the same problem, cleaned up the work area, and followed up later to make sure everything was still running smoothly. Professional, knowledgeable, and respectful of my time and budget. I’d recommend Vick at Sichinava to anyone who wants reliable HVAC service done right the first time.“

5 Superb85 Reviews

7:30AM - 5:30PM

7921 Queenair Dr # 106, Gaithersburg
B&B Air Conditioning & Heating Service Hvac

“B&B installed our HVAC system 21 years ago. We’ve only had one significant issue in that time which consisted of a circuit board that runs the blower motor. Recently our AC system was have an issue with the coils icing up so I placed a call to schedule a diagnosis of the issue. I received a phone call early in the morning and Nestor, the technician, was on-site within 40 minutes. The technicians from B&B have always been prompt, courteous and reliable. I’ve compared several HVAC companies in the area and none of the companies had ratings or reviews that would convince me to use any company other than B&B.“

5 Superb77 Reviews

7AM - 5PM

7845 Cessna Ave, Gaithersburg
Atlantic Coastal Cooling & Heating, Inc. Hvac

“The technician that serviced our heat pump was prompt, communicated well, and fixed the unit quickly. Definitely a good experience and will be using them again.“

4.9 Superb106 Reviews

Open 24 today

7901 Beechcraft Ave Suite C, Gaithersburg
Parker Pearce Service Experts Hvac

“The technicians were very quick on getting the new air flow exhaust into my child's room. Done completely while they were in school and also repaired a fan in the room too. They were great and the price was definitely reasonable.“

4.8 Superb305 Reviews

Open 24 today

7950 Cessna Ave, Gaithersburg
Michael Bonsby HVAC, Plumbing & Electrical Hvac

“Matt and Gerardo did a fantastic job of completing the re-installation of our heat pump, making sure that the many details that still needed attention were fully addressed, and did so with such aplomb and friendliness that gave us real confidence in the results.“

4.8 Superb238 Reviews

Open 24 today

18918 Premiere Ct, Gaithersburg
Cool Breeze Plumbing, Heating & A/C Hvac

“Cool Breeze to the Rescue. My water heater started leaking late in the evening and I was able to call the office and have a plumber out first thing the next morning. He has a water heater with him and easily replaced the broken one. They are my constant go to for the majority of the service work on my house. They are kind, prompt, reasonably priced and a pleasure to work with. I am so grateful for the top level of service they provide!“

4.8 Superb181 Reviews

8AM - 5:30PM

7834 Beechcraft Ave, Gaithersburg
James A. Wheat & Sons, Inc. Hvac

“Called to get my gas fireplace checked out, since it wasn't igniting. Isak came out to do the diagnostic, quickly determined the issue, gave me an invoice, and got me set up for installation. Repair day came, and Isak returned with Tyler to put my fireplace right. On both visits, they were incredibly respectful, tidy, and quiet (we work from home). They also did a great job letting me know what was wrong, were not pushy about any add-ons or service plans, although I WOULD recommend considering their service plan for the price-to-service ratio.
Before they left, Isak and Tyler also cleaned the fireplace installation itself, leaving it better than when they got here.
Absolutely terrific customer service end-to-end, from the email correspondence, the folks on the end of the phone line, and Isak and Tyler coming out and doing the work. Definitely coming back for more service. Thanks again!“

4.8 Superb169 Reviews

Open 24 today

8000 Cessna Ave, Gaithersburg
Presidential Heating & Air Conditioning, Inc. Hvac

“Macai was very polite and on time ( he actually got here a little early but I saw him wait patiently in his car until the scheduled time) . Very clean and offered additional services without pressure.“

4.8 Superb166 Reviews

7AM - 7PM

8652 Dakota Dr, Gaithersburg
PipeWorks Plumbing, Heating and Air Hvac

“Thank you for your great service yesterday! The technician was very clean and professional! I’ll keep your contact information for future reference.
Cheers,“

4.8 Superb140 Reviews

8AM - 5PM

211 Perry Pkwy #9, Gaithersburg
Rod Miller Heating and Air Conditioning Company Hvac

“Rod Miller replaced two old furnaces and two old air conditioning installations in a day and cleaned up thoroughly after the work.“

4.8 Superb116 Reviews

7AM - 7PM

21529 Ripplemead Dr, Gaithersburg
ADI Heating & Air Conditioning, LLC Hvac

“Would definitely recommend! I’ve worked with a couple different HVAC companies and gotten a bunch of quotes as well, so I know from experience that ADI is great - extremely quick timeline for installation and great pricing. I needed more temperature control in my historic home so I’m very happy to have these mini splits!“

5 Superb11 Reviews
14

Boland

8:30AM - 5PM

30 W Watkins Mill Rd Suite 300, Gaithersburg
Boland Hvac

“Ben Feeney with Boland: I’ve have had an exceptional experience of working together on a few projects so far with Ben and his team. He is a true professional that cares about his work. He communicates really well and always has a phenomenal attitude. Always refreshing to work with someone who is willing to build relationships.“

5 Superb4 Reviews

8AM - 5PM

7824 Brink Rd, Gaithersburg
AAA Residential Services Heating & Air Conditioning Hvac

“We needed to double the CFM in our return air side after installing a modern high-pressure HVAC system. AAA rebuilt the center hallway ceiling return air vent and added ceiling returns in the master bedroom and front entrance. The project took 1 day, and the crew were very careful about ramping dust, debris, etc. The price was right and our new returns, which replaced decades-old rigid pipes with a mix of insulated rigid and flexible, make the house feel balanced and the HVAC no longer is strangling when it runs. Recommended!“

5 Superb1 Reviews

8AM - 5PM

18930 Premiere Ct, Gaithersburg
Congressional HVAC Hvac

“We had our gas furnace replaced yesterday. The company was on time, organized, polite and efficient. They took the time to lay down tarps and left my laundry room (where the furnace is) cleaner than when they got there. Pricing and warranty options were also very reasonable and competitive- I was given repair options or replace options and didn't feel like I was being sold on something I didn't need. Definitely recommend!Service: Heating system installation“

4 Good4 Reviews

7:30AM - 4PM

18900 Woodfield Rd, Gaithersburg
Harvey W Hottel, Inc. Hvac

“For over 20 years I’ve been a property manager of a 36-unit townhome community, built over 50 years ago. During this time, I’ve engaged numerous contractors to perform various types of work throughout the community. This is the first time I’ve been compelled to write a review.

Over the past two years I’ve had two significant projects where I’ve engaging the folks at Harvey W. Hottle, Inc. The first project was to replace all 36 units interior main water shut off valve with new pressure reducers and two ball valves. These 36 units were completed in just over 32 hours. When WSSC turn our water back on not one unit had a leak. (Very impressive to say the least.)

Before they began the project, they inspected each unit and scaled the appropriate manpower to complete the project. Six teams worked together to pull this off in what I feel was record time. The crew were personable, professional, efficient, capable and just good people. I couldn’t have picked a better choice for this project.

Given their previous success we engaged them again this spring to hydro jet our entire sewer system. This system had never been cleaned, since it was built in the early 70’s.

They started in the basement toilet and hydro jetted the line to the main sewer line on our property. As they moved down-hill they went into every 15’ deep manhole on our property to hydro jet these sewer lines too.

Both projects were completed on-time, on-budget and to our complete satisfaction.

I highly recommend you speak to them about any of your plumbing needs.
The guys at Harvey W. Hottle know who I am. Should you like to speak with me directly just contact them and they will forward you, my phone number. I would be glad to meet at my property to better explain their exceptional work.

MIkel“

4.3 Superb11 Reviews

8AM - 4:30PM

7634 Airpark Rd, Gaithersburg
Germantown Heating & Air Conditioning Hvac

“Our AC was blowing warm air. Oscar our technician has come many times to do an assessment on our unit. He has great customer service, answers all my questions and explains it so I can understand. Thank-you for your honesty Oscar!! I highly recommend Germantown heating & air conditioning!!!“

4.4 Superb18 Reviews

7AM - 8PM

18237 Flower Hill Way, Gaithersburg
Air Conditioning & Refrigeration Hvac

“Our 20+ year-old AC went out in the middle of summer, and I decided it was time to replace it rather than keep it limping along with repairs. I collected 5 or 6 quotes from local/regional HVAC companies for AC and furnace replacement. Eli's was suggested by a neighbor, so I gave them a call to schedule a quote.

Ron from Eli's was, by far, the least pushy and most honest of the bunch when he visited to take a look at our existing system and provide a quote. The price was very fair, and Ron and his team were able to order everything and get us booked for the install in a little more than a week during the busy season. The AC (and more recently the furnace) have been working great, and I'll be recommending Eli's to anyone who asks in the future.“

4 Good8 Reviews

7:30AM - 5PM

7615 Rickenbacker Dr, Gaithersburg
Diversified HVAC Services Hvac

“Diversified Hvac Services is a great HVAC Service. The team was excellent and extremely efficient. I strongly recommend using them if u need any HVAC Service. The crew was so helpful and respectful.Service: HVAC system maintenance“

4.2 Good19 Reviews