Top 10 HVAC Companies in Gaithersburg, MD

Porch Pro Headshot Michael & Son Services
HVAC Contractors
Serves Gaithersburg, Maryland
(14,047)
Enhance your home with beautiful outdoor lighting by Michael & Son Services, a 4-star company in the Perry Hall area.
Enhance your home with beautiful outdoor lighting by Michael & Son Services, a 4-star company in the Perry Hall area.
Porch Pro Headshot Safe House
HVAC Contractors
Serves Gaithersburg, Maryland
(2,289)
"The technician arrived earlier, after calling to ask if that was okay, which it was. He explained what he was going to do. The whole process did not take long at all, and everything is now clean and safe with my dryer and vent system. Prices are very reasonable. I will use this service again an...Read more about Safe House
"The technician arrived earlier, after calling to ask if that was okay, which it was. He explained what he was going to do. The whole process did not take long at all, and everything is now clean and safe with my dryer and vent system. Prices are very reasonable. I will use this service again an...Read more about Safe House
Porch Pro Headshot Michael Bonsby Heating & Air Conditioning LLC
HVAC Contractors
Serves Gaithersburg, Maryland
(565)
"Our central air stopped working. We called Chris from Michael Bonsby to try and get it fixed quickly. He actually came out that evening, and developed a proposal while in our home. He was very well informed and was low pressure. We called the next day and let him know the direction we wanted to...Read more about Michael Bonsby Heating & Air Conditioning LLC
"Our central air stopped working. We called Chris from Michael Bonsby to try and get it fixed quickly. He actually came out that evening, and developed a proposal while in our home. He was very well informed and was low pressure. We called the next day and let him know the direction we wanted to...Read more about Michael Bonsby Heating & Air Conditioning LLC
Porch Pro Headshot Minnick's
HVAC Contractors
Serves Gaithersburg, Maryland
(791)
Home Performance HVAC company, helping homeowners live in an Efficient Home and Healthy Living
Home Performance HVAC company, helping homeowners live in an Efficient Home and Healthy Living
Porch Pro Headshot Atlantic Coastal Cooling & Heating, Inc.
HVAC Contractors
Serves Gaithersburg, Maryland
(129)
Atlantic Coastal Cooling & Heating, Inc. is a full service HVAC provider serving Montgomery County and the Ocean City/Salisbury area. We have the expertise to upgrade your existing unit to one that is more energy efficient and are a participating HVAC contractor on PEPCO's website. Our knowledge in...Read more about Atlantic Coastal Cooling & Heating, Inc.
Atlantic Coastal Cooling & Heating, Inc. is a full service HVAC provider serving Montgomery County and the Ocean City/Salisbury area. We have the expertise to upgrade your existing unit to one that is more energy efficient and are a participating HVAC contractor on PEPCO's website. Our knowledge in...Read more about Atlantic Coastal Cooling & Heating, Inc.
Porch Pro Headshot Griffith Energy Services, Inc.
HVAC Contractors
Serves Gaithersburg, Maryland
(171)
For over a century Griffith Energy Services has been the reliable provider of air conditioning and heating services and equipment throughout the Mid-Atlantic region. With 12 convenient locations in Maryland, Delaware, Northern Virginia, Washington DC, and the Eastern Panhandle of West Virginia, we a...Read more about Griffith Energy Services, Inc.
For over a century Griffith Energy Services has been the reliable provider of air conditioning and heating services and equipment throughout the Mid-Atlantic region. With 12 convenient locations in Maryland, Delaware, Northern Virginia, Washington DC, and the Eastern Panhandle of West Virginia, we a...Read more about Griffith Energy Services, Inc.
Porch Pro Headshot HVAC Dynamic  Inc
HVAC Contractors
Serves Gaithersburg, Maryland
(8)
HVAC DYNAMIC HAS BEEN IN BUSINESS FOR MORE THAN FIFTEEN YEARS, WITH THAT EXPERIENCE, WE HAVE FINE-TUNED OUR BUSINESS TO MEET AND EXCEED YOUR NEEDS IN A COST-EFFECTIVE MANNER AND WITH THE BEST TIMES. TAKE A LOOK IN OUR TESTIMONIALS FROM ACTUAL CUSTOMERS AND SEE WHY WE ARE CHOSEN BY HOME OWNERS AND CO...Read more about HVAC Dynamic Inc
HVAC DYNAMIC HAS BEEN IN BUSINESS FOR MORE THAN FIFTEEN YEARS, WITH THAT EXPERIENCE, WE HAVE FINE-TUNED OUR BUSINESS TO MEET AND EXCEED YOUR NEEDS IN A COST-EFFECTIVE MANNER AND WITH THE BEST TIMES. TAKE A LOOK IN OUR TESTIMONIALS FROM ACTUAL CUSTOMERS AND SEE WHY WE ARE CHOSEN BY HOME OWNERS AND CO...Read more about HVAC Dynamic Inc
Porch Pro Headshot Frontline Mechanical Services Inc
HVAC Contractors
Serves Gaithersburg, Maryland
(63)
We set our company goals to meet the needs of our customers. Our just a few of our goals are professionalism, timely, and customer satisfaction to name a few. We follow CDC safety standards for our customers and our staff. We provide residential and commercial services and take great proud in the s...Read more about Frontline Mechanical Services Inc
We set our company goals to meet the needs of our customers. Our just a few of our goals are professionalism, timely, and customer satisfaction to name a few. We follow CDC safety standards for our customers and our staff. We provide residential and commercial services and take great proud in the s...Read more about Frontline Mechanical Services Inc
Porch Pro Headshot S & C Mechanical Contractors, LLC
HVAC Contractors
Serves Gaithersburg, Maryland
(18)
S & C Mechanical Contractors LLC is a licensed and insured HVAC contractor. We are proud to offer services for both residential and light commercial projects as well as new construction and remodeling projects. We bring experience to projects such as custom duct fabrication, thermostat repairs, boil...Read more about S & C Mechanical Contractors, LLC
S & C Mechanical Contractors LLC is a licensed and insured HVAC contractor. We are proud to offer services for both residential and light commercial projects as well as new construction and remodeling projects. We bring experience to projects such as custom duct fabrication, thermostat repairs, boil...Read more about S & C Mechanical Contractors, LLC
Porch Pro Headshot Exsite Services, Inc.
HVAC Contractors
Serves Gaithersburg, Maryland
(4)
EXSITE SERVICES is an experienced HVAC company that has been providing residential and commercial heating and air conditioning maintenance and service for over 10 years. We are committed to providing solutions to customers in Central Maryland. We service all brands with any problems. We are a partic...Read more about Exsite Services, Inc.
EXSITE SERVICES is an experienced HVAC company that has been providing residential and commercial heating and air conditioning maintenance and service for over 10 years. We are committed to providing solutions to customers in Central Maryland. We service all brands with any problems. We are a partic...Read more about Exsite Services, Inc.

Top questions to ask before hiring an hvac company

What type of insurance do you have? Heating, ventilation and air conditioning (HVAC) professionals work on a variety of mechanical areas of the home. You'll want to ask specific questions regarding professional training and licensing, as well as what types of insurance they have (for example, mold, air pollution or worker's compensation). It's fair to ask for the dollar amounts they are covered and a quality professional will show you verification of coverage.

HVAC professionals attend to a home's thermal needs as well as air quality. Because of the technical aspects of HVAC work, find out the scope of work your professional can perform. You may only need your heating unit serviced however, if this professional also specializes in energy efficiency, mold assessment, or offer ways for you to save on energy costs, you may want to hire them for future projects. Because some equipment is gas-powered, your professional should be able to answer questions about installing gas lines and permitting.

Ask about guarantees on labor or warranties on parts for your HVAC project. It's common to have a time limitation on parts and equipment. Save any paperwork related to your project so you can refer back to instruction manuals or serial numbers.

When working with a heating and cooling professional, ask if their company offers pricing incentives to encourage you to hire them on a regular basis. It's common to have your equipment inspected and serviced at least once a year. Your HVAC company may also offer special pricing on filters, ventilation cleaning or energy assessments.

Regardless of the scope of your project, find out what you need to do to prepare your home for their visit. For example, the HVAC professional will need access to the areas in question and may need access to other mechanical or ventilation points. Make sure pets and children are kept out of the way. Ask if your project will involve removing dry wall or making any other structural changes – you may need to hire a professional drywall contractor to patch up HVAC work. If you are adding a unit that may contribute to carbon monoxide within the home, find out if you need to purchase a carbon monoxide detector.

Recent reviews for Gaithersburg HVAC Contractors

247804

Very professional! Fixed all our issues and showed us multiple options. Great company and personnel! Have used them for several projects now!

- Austin Moses
222813

Harvey was great and did a great job

- Ryan Morse
27925
40081

These folks wanted over 1,000.00 to install a water tank that I bought from Lowes. What a RIP OFF... I sent them home. Hope you have your $$$$$$ ready because these guys are stupid expensive .

- DJ Bowling
94377

I wanted to install an AC system in my home and got three estimates. One company didn't do ductless systems (which I decided I wanted) and another dropped the ball, so I ended up going with Michael Bonsby, who also offered to do the job for ca. $3000 les...

- Kevin de Queiroz
65945

They replaced my gas furnace/AC and a spacepak heatpump system within the last year. They also have done my maintenance for 3 years. Their mechanics are knowledgeable,communicative and polite. They are all required to take hvac continuing education class...

- Jeffrey Harding
296973

I got my furnace and AC replaced with this company in August 2017. I also had a full aeroseal of my ducts. After about a year, I had some problems with ducts leaking into my cabinetry. They came out and had the ducts insulated (at my expense even thoug...

- Robin Tucker
94391

Michael Bonsby replaced our furnace and AC unit in early spring 2017. The estimator was very thorough and professional. The quote was by far the most informative including explanation of the heat load calculations and why the system size was recommended....

- Denyse Baker
68057

The equipment appears to be excellent

- Larry Stewart
73765

OUR AIR CONDITIONING COMPRESSOR WENT OUT DURING THE HOT PART OF AUGUST. I DID NOT KNOW WHO TO CALL SO I LOOKED UNDER CARRIER AND ASKED FOR HELP. tHE NEXT DAY WE GOT A CALL FROM DAWN OF YOUR COMPANY WHO IMMEDIATELY SENT ABEL WHO QUICKLY FOUND THE PROBLEM...

- ERNEST BOND

Everything You Need to Know About Gaithersburg HVAC Companies

Can I browse unscreened HVAC Contractors in Gaithersburg?

We do our best to screen all of our hvac contractors. However, there are still some hvac contractor professionals in Gaithersburg that have not been pre-screened. This means that their licenses may not be up to date to operate in Gaithersburg or MD. Always be sure to pre-screen them yourself before hiring. Here are some unscreened professionals offering hvac:

  • One Hour Heating & Air Conditioning - Baltimore:
    • Active/Verified License: No, current status is inactive
  • AIRBENDERS:
    • BBB Rating: A+
    • Active/Verified License: No, current status is inactive
  • Supreme Air LLC:
    • BBB Rating: A+
    • Active/Verified License: No, current status is inactive

How many hvac contractors does Gaithersburg have?

There are around 50 companies throughout Gaithersburg to help you with your next hvac job.

  • 18 of them have an A or A+ rating from Better Business Bureau.

What should I check for once my HVAC Contractor in Gaithersburg has finished working?

Every hvac project is going to have different results, but here are a few things to check for once any hvac company has told you they've finished the job:

  • Obviously you want to do a visual inspection. Even if you're unfamiliar with hvac work, this gives you the opportunity to ask questions (even basic ones like, what did you do?).
  • Ask the hvac contractor to describe what they did. Whether your hvac project was a repair job or a building job, have them run you through what was done.
  • Compare the description provided on your hvac project estimate to the work completed. Did the professional do what was promised?
  • Request that the hvac contractor do a follow-up visit to check on the work. Most professionals are willing to do this, especially if you ask them.

All HVAC Companies in Gaithersburg, MD

Porch Pro Headshot MasterCraft Mechanical Services, LLC
HVAC Contractors
Serves Gaithersburg, Maryland
If you're searching the net for an air conditioning company that will be there any time on any day to give you top-notch service at reasonable rates, you've found us! We service all makes and models for replacement, repair, installation and maintenance services on both residential and commercial pro...Read more about MasterCraft Mechanical Services, LLC
If you're searching the net for an air conditioning company that will be there any time on any day to give you top-notch service at reasonable rates, you've found us! We service all makes and models for replacement, repair, installation and maintenance services on both residential and commercial pro...Read more about MasterCraft Mechanical Services, LLC
Porch Pro Headshot GraniTech Inc.
HVAC Contractors
Serves Gaithersburg, Maryland
The window replacement services offered by GraniTech Inc. in California are professional and worth every dime.
The window replacement services offered by GraniTech Inc. in California are professional and worth every dime.
Porch Pro Headshot WILLIAMS & SON MECHANICAL CONSTRUCTION
HVAC Contractors
Serves Gaithersburg, Maryland
(3)
"Fabulous service, personal attention, great prices. Phil was extraordinary in finding a Lennox heat pump and air handler to replace my failed Trane unit. The team arrived in the morning and the removal of the old units and replacement with the new units was done by 4 pm. Another firm was going t...Read more about WILLIAMS & SON MECHANICAL CONSTRUCTION
"Fabulous service, personal attention, great prices. Phil was extraordinary in finding a Lennox heat pump and air handler to replace my failed Trane unit. The team arrived in the morning and the removal of the old units and replacement with the new units was done by 4 pm. Another firm was going t...Read more about WILLIAMS & SON MECHANICAL CONSTRUCTION
Porch Pro Headshot Artic Air Heating & Cooling
HVAC Contractors
Serves Gaithersburg, Maryland
(1)
We are a small, family owned and operated buisness located in Linthicum, Maryland. Our expertise is heating, ventilation, air conditioning, refrigeration, and boilers. We service Baltimore, and surrounding areas for both commerical and residental properties. We pride ourselves on excellent sevices ...Read more about Artic Air Heating & Cooling
We are a small, family owned and operated buisness located in Linthicum, Maryland. Our expertise is heating, ventilation, air conditioning, refrigeration, and boilers. We service Baltimore, and surrounding areas for both commerical and residental properties. We pride ourselves on excellent sevices ...Read more about Artic Air Heating & Cooling
Porch Pro Headshot JF Plumbing and Heating
HVAC Contractors
Serves Gaithersburg, Maryland
(19)
We are a family owned company and have been since we opened our doors in 1988. JF Plumbing and Heating was established by John Folliard after many years of learning from his father, and has been responsible for providing outstanding plumbing services for over 20 years. Our first office was locat...Read more about JF Plumbing and Heating
We are a family owned company and have been since we opened our doors in 1988. JF Plumbing and Heating was established by John Folliard after many years of learning from his father, and has been responsible for providing outstanding plumbing services for over 20 years. Our first office was locat...Read more about JF Plumbing and Heating
Porch Pro Headshot affordable air services LLc
HVAC Contractors
Serves Gaithersburg, Maryland
(7)
We provide quality services at affordable rates.
We provide quality services at affordable rates.
Porch Pro Headshot Global Comfort Heating Air Conditioning LLC
HVAC Contractors
Serves Gaithersburg, Maryland
Global Comfort Heating and Air Conditioning offers residential heating and air conditioning installation and repair in Damascus, Maryland, and the DC metro area. Founded in 2008 by 2 former principals of another successful HVAC company, we offer top-notch HVAC services by leveraging our more than 30...Read more about Global Comfort Heating Air Conditioning LLC
Global Comfort Heating and Air Conditioning offers residential heating and air conditioning installation and repair in Damascus, Maryland, and the DC metro area. Founded in 2008 by 2 former principals of another successful HVAC company, we offer top-notch HVAC services by leveraging our more than 30...Read more about Global Comfort Heating Air Conditioning LLC
Porch Pro Headshot Home-pro , LLC
HVAC Contractors
Serves Gaithersburg, Maryland
Home Pro Air Duct Cleaning has more then 12 years of experience , we do residential & commercial , we use state of art equipment green & natural products , great & affordable prices , and excellent customer service .
Home Pro Air Duct Cleaning has more then 12 years of experience , we do residential & commercial , we use state of art equipment green & natural products , great & affordable prices , and excellent customer service .
Porch Pro Headshot EviroCare Cleanup & Restoration
HVAC Contractors
Serves Gaithersburg, Maryland
EnviroCare has been a leader in water damage & mold removal for the past decade. Our goal is to provide an easy, rapid way to restore properties from any kind or water damage, black mold or storm damage that might occur while kipping you and your family safe in the process. We work directly with you...Read more about EviroCare Cleanup & Restoration
EnviroCare has been a leader in water damage & mold removal for the past decade. Our goal is to provide an easy, rapid way to restore properties from any kind or water damage, black mold or storm damage that might occur while kipping you and your family safe in the process. We work directly with you...Read more about EviroCare Cleanup & Restoration
Porch Pro Headshot Horizon Services Plumbing Heating and Cooling (Sales)
HVAC Contractors
Serves Gaithersburg, Maryland
Locally owned and operated 30 years of award-winning expertise Proudly serving families in Delaware, Pennsylvania, New Jersey, and Maryland No surprises, no hassles, and NO excuses. Just up-front pricing and 100% satisfaction guaranteed. More than 300,000 of your neighbors have trusted us with their...Read more about Horizon Services Plumbing Heating and Cooling (Sales)
Locally owned and operated 30 years of award-winning expertise Proudly serving families in Delaware, Pennsylvania, New Jersey, and Maryland No surprises, no hassles, and NO excuses. Just up-front pricing and 100% satisfaction guaranteed. More than 300,000 of your neighbors have trusted us with their...Read more about Horizon Services Plumbing Heating and Cooling (Sales)
Porch Pro Headshot DH Mechanical HVAC Contractor
HVAC Contractors
Serves Gaithersburg, Maryland
DH Mechanical HVAC Contractor Montgomery Village, Montgomery Village, MD, 20886 2407659935 DH Mechanical HVAC Contractor is a local HVAC company based in Montgomery Village, MD. We offer a wide range of services. For more information, give us a call or visit our website! Plumbing, HVAC Plumber, HVA...Read more about DH Mechanical HVAC Contractor
DH Mechanical HVAC Contractor Montgomery Village, Montgomery Village, MD, 20886 2407659935 DH Mechanical HVAC Contractor is a local HVAC company based in Montgomery Village, MD. We offer a wide range of services. For more information, give us a call or visit our website! Plumbing, HVAC Plumber, HVA...Read more about DH Mechanical HVAC Contractor
Porch Pro Headshot Dh Mechanical
HVAC Contractors
Serves Gaithersburg, Maryland
Porch Pro Headshot Dapper Ducts Inc - Rockville
HVAC Contractors
Serves Gaithersburg, Maryland
Dapper Ducts Inc - Rockville Rockville, MD, 20851 (240) 359-7634 Dapper Ducts Inc - Rockville provides both residential and commercial duct cleaning services in Rockville, MD. Duct Cleaning, Chimney Cleaner, Dryer Vent Cleaner, Air Duct Cleaner, Professional Duct Cleaner, Mold Remediation Garrett P...Read more about Dapper Ducts Inc - Rockville
Dapper Ducts Inc - Rockville Rockville, MD, 20851 (240) 359-7634 Dapper Ducts Inc - Rockville provides both residential and commercial duct cleaning services in Rockville, MD. Duct Cleaning, Chimney Cleaner, Dryer Vent Cleaner, Air Duct Cleaner, Professional Duct Cleaner, Mold Remediation Garrett P...Read more about Dapper Ducts Inc - Rockville
Porch Pro Headshot Sensa Air  HVAC
HVAC Contractors
Serves Gaithersburg, Maryland
(2)
Sensa Air HVAC is an HVAC contractor in Silver Spring. They provide water line installation, water heater installation and other services.
Sensa Air HVAC is an HVAC contractor in Silver Spring. They provide water line installation, water heater installation and other services.

Latest projects near Gaithersburg

Recent projects booked on Porch
North Potomac 20878
Thermostat Replacement and Repair
Comments from Customer
Need to install a nest thermostat currently there is a programmable thermostat. Heat pump installed.
Gaithersburg 20878
HVAC Inspection
Start Date
Within a week
Purpose
Purchasing property
Inspection type
Heating and cooling
Property type
Condo or townhome
Property size
1,501-2,000 sq ft
Property age
11-20 years
Foundation type
Unknown
Relationship to property
Buyer
Occupied
Yes
Utilities turned on
Yes
Specific services
Mold test, None of the above
Rockville 20850
Thermostat Replacement and Repair
Comments from Customer
Customer did not provide additional comments. Please contact the customer to discuss the details of this project.