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Find Central a/c service or repairers in Gaithersburg

Avatar for Presidential Heating & Air Conditioning
Presidential Heating & Air Conditioning
4.6(
453
)

Serving Gaithersburg, MD and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1982

Free estimates

Emergency services offered

"I installed a new Carrier HVAC system before this summer and have been very pleased with this company. From sales to installation to service, everyone in this company has been wonderful! Glenn gave me excellent pricing and the installation, by Jorge, Simon and Aaron was performed efficiently and neatly with excellent workmanship. Robbin quickly filed the appropriate rebate and warranty forms and when an error code subsequently exhibited, Craig promptly addressed my concern. I strongly recommend this company both for its excellent pricing and all around service. It is truly a pleasure to know that there are still great companies that focus on quality, service and customer satisfaction!"
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+6

32 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Simply Home Service, LLC
Simply Home Service, LLC
5.0(
30
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"It was a pleasure hiring Sean. He was able to install our new thermostat which involved updating the wiring and removal of a module. Another company was unable to perform these tasks to get the HVAC running but Sean quickly resolved the issue. He was very friendly, knowledgeable, and punctual. Don't miss out on hiring Simply Home services, you won't regret it."
Response time3 hrs
Response rate97%
Recommended by93%of homeowners
Avatar for GAC Services
GAC Services
4.8(
291
)

Serving Gaithersburg, MD and surrounding areas

Approved (Corporate)

In business since 1970

Free estimates

Warranties offered

"Could not have asked for better service. The recommended product is working great, the installers were professional and so far the service technicians are top notch."
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66 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Hecomo
Hecomo
5.0(
11
)

Serving Gaithersburg, MD and surrounding areas

Approved

Credit card accepted

Customers say: True professional

"Outstanding service. Edmond was very honest and completed the job flawlessly. I picked Hocomo to replace the whole unit with a new one."
Heating & A/C Project
Heating & A/C Project
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+8

Response time7 hrs
12 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for BlueStar Air Mechanical Inc.
BlueStar Air Mechanical Inc.
4.9(
32
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"I contacted Bluestar Air Mechanical for a second opinion after an appointment with Air One. I have a Carrier HVAC system, and the Air One technician recommended a complete system replacement, claiming the blower was bad, the furnace control board needed replacing, and that there were other issues. Since replacing the HVAC is a big investment, I wanted to get a second opinion. It was only after comparing the service from Bluestar that I realized Air One may have been pushing for a new system sale or lacked the expertise to properly diagnose and repair the actual problems. Isaac, the technician from Bluestar, spent about an hour thoroughly diagnosing and fixing the issues. He found burnt wiring in the furnace and discovered that the wrong capacitor had been incorrectly installed in the AC. Isaac replaced the burnt wiring in the furnace and the capacitor in the AC. After these repairs, my Carrier system was back up and running—without the need for a costly replacement. Bluestar, and Isaac in particular, demonstrated professionalism, expertise, and honesty. They focused on resolving the actual issues instead of pushing for an unnecessary system replacement. I highly recommend Bluestar for their reliable service and Isaac’s thorough and knowledgeable work."
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+13

Response time6 hrs
1 neighbors recently requested a quote
Recommended by79%of homeowners
Avatar for Edwin's Air Conditioning & Heating, LLC
Edwin's Air Conditioning & Heating, LLC
4.9(
28
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"I found Edwin on HomeAvisor/Angie's List. We were having some heat issues and wanted to have some basic maintenance. Edwin 'had extensive knowledge about each of our systems, and was able to troubleshoot and provide us with various courses of action. The attic heat pump was replaced and he was very fair with his prices. They did an excellent job, and sympathizes with his customers. He replaced the system on a Saturday."
Response time2 hrs
Response rate90%
Recommended by96%of homeowners
Avatar for McCarthy Services
McCarthy Services
4.2(
370
)

Serving Gaithersburg, MD and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Credit card accepted

"This company was prompt, gave us a reasonable price, and the system is working very well. We give them an excellent rating for their service, and would recommend them to anyone who needs HVAC repair or replacement."
Installing a new A/C system.
621 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for JDL HVAC & Plumbing Services
JDL HVAC & Plumbing Services
4.5(
949
)

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"Timely, efficient and knowledgeable. Isak was quick, highly professional and helped us make decisions about what would be best for our budget and our comfort level. Will definitely look to JDL when the time comes to repair or replace any of our HVAC equipment!"
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+118

Response time4 hrs
59 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Michael Bonsby HVAC, Plumbing & Electrical MD
Michael Bonsby HVAC, Plumbing & Electrical MD
4.2(
133
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"The Service Technician was very professional and explained things. I signed a service agreement with the company for our two-zone system. So far so good. Our furnaces were serviced."
Routine Maintenance
Maintenance
Mitsubish Ductless System
Outside Mitsubishi Unit
Carrier

+3

45 neighbors recently requested a quote
Recommended by91%of homeowners
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FAQs for central a/c service or repair projects in Gaithersburg, MD

A condenser fan motor is a crucial part of your air conditioner that prevents the compressor from overheating. It pulls heat from your AC unit to cool the refrigerant moving through the condenser coils. This allows your system to blow cool air and keeps everything running smoothly.

The most common causes of AC fan motor failure include loss of lubricant in the system due to overheating and a rusted or leaking run capacitor. Poor lubrication can also cause failure in the belt drive, which may impact the AC fan motor. Weather and electrical components can also affect your AC. For example, a storm could send water into your motor windings and damage the internal components.

Air conditioner fan motors last about 12 years on average, though they can last longer if maintained well. This includes keeping them clean and cooled as needed with annual air conditioner checkups. Routine maintenance is essential to catch AC fan issues early. An HVAC inspection can cost between $70 and $500, while AC cleaning services may range from $100 to $400.

A broken AC fan motor may need replacement because this part usually can’t be repaired. Several things indicate it’s time to replace your AC fan motor, including buzzing noises, a constantly running fan, unusually high energy bills, or an aging system. If you notice these signs, call an HVAC pro for help before the faulty motor starts to strain other parts of the AC system.

There are clear warning signs of a bad AC fan motor, including unusual interruptions in the fan operation. The motor might be malfunctioning if you hear weird noises like grinding or rattling or if the fan continues to spin when the unit is off. These indicators compromise your AC’s cooling performance and increase your energy costs. Addressing these issues immediately by contacting a trusted HVAC professional prevents further damage and safeguards your HVAC's efficiency.

Replacing your AC fan motor takes a professional one to four hours. The technician will start by assessing your system and safely removing the damaged motor. If a new part needs to be ordered, it might take a few days. Once the part is available, your pro will install it properly and make sure your system is running smoothly.

The Gaithersburg, MD homeowners’ guide to central a/c service or repairs

From average costs to expert advice, get all the answers you need to get your job done.

  • Detail of a HVAC system outside a brick house

    The cost of replacing an AC unit fan motor depends on warranties, labor, season, and more. This cost guide covers everything you need to know about this HVAC part.

  • A boy changing thermostat’s temperature using a smartphone

    Budget for AC coil cleaning costs based on factors such as cleaning frequency, coil type, cleaning method, accessibility, ongoing maintenance, and more.

  • home air conditioner being recharged with freon

    Need an AC Recharge? Here’s how much it costs, what factors affect cost, and what to expect.

  • House humidifier on a return duct

    Wondering who installs whole-house humidifiers? Hire a licensed HVAC technician. Learn what they do, other pro options, and how to hire confidently