Find and Invite the Best Commercial HVAC Contractors in Gaithersburg, MD

Tired of outdated contact lists and the hassle of calling to check bidding intent? Simplify your bidding process with Downtobid's modern commercial contractor database. Access up-to-date, vetted profiles and ensure you connect with the right trades.

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75 Verified HVAC companies in Gaithersburg, MD

Downtobid vets each subcontractor's specialties, capabilities, and contact details for complete accuracy.

Riley Heat & Air logo

Riley Heat & Air

9900 Sudan Pl. Upper Marlboro, MD 20772

Riley Heat & Air is a top-notch HVAC service provider offering a full range of heating and air conditioning services, including installation, repair, and maintenance, in Maryland and the Washington DC regions. With a strong focus on customer satisfaction, they provide expert HVAC solutions and are available 24/7 for urgent needs.

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15 miles from Gaithersburg, MD

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United Service Specialists logo

United Service Specialists

7559 Rickenbacker Dr Suite A, Gaithersburg, MD 20879

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1 mile from Gaithersburg, MD
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Fresh Air Concepts logo

Fresh Air Concepts

5195 Raynor Ave. Linthicum, MD 21090

Fresh Air Concepts, established in 2003, is a leading provider of mechanical, electrical, and plumbing solutions, celebrating 20 years of service excellence in residential and commercial HVAC, air quality systems, and maintenance with a commitment to quality, innovation, and customer satisfaction.

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21 miles from Gaithersburg, MD
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Apple Plumbing, Heating & Air logo

Apple Plumbing, Heating & Air

90 Aileron Ct., Ste. 9 Westminster, MD 21157

Apple Plumbing, Heating & Air is a family-owned full-service plumbing and HVAC company based in Westminster, MD, offering expert repairs, service, and installation for residential and commercial clients since 1994. They specialize in a wide range of services including sewer and drain cleaning, water heater repair, and emergency plumbing, as well as heating and air conditioning solutions.

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16 miles from Gaithersburg, MD
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Arundel Cooling & Heating logo

Arundel Cooling & Heating

707 Nursery Rd. Linthicum Heights, MD 21090

Arundel Cooling & Heating Co. is a provider of residential and commercial HVAC services, including heating, cooling, electrical, and indoor air quality solutions, with a focus on customer satisfaction and comfort. The company operates in Linthicum Heights, Maryland, and offers a range of services such as installation of heat pumps and generators, air filtration systems, and emergency services.

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21 miles from Gaithersburg, MD
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John J Kirlin logo

John J Kirlin

75 Derwood Circle Rockville, MD 20850

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1 mile from Gaithersburg, MD
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B.M.C. Clower Heating & Air Conditioning logo

B.M.C. Clower Heating & Air Conditioning

​8956 Brookville Road Silver Spring, MD 20910

B.M.C. Clower Heating & Air Conditioning is a licensed HVAC contractor based in Silver Spring, MD, providing a range of heating, ventilation, and air conditioning repair and installation services since 1999, with a commitment to customer satisfaction and quality workmanship.

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1 mile from Gaithersburg, MD
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Airtech Specialist logo

Airtech Specialist

5645 General Washington Dr, Alexandria, VA 22312

Airtech Specialist LLC is an industry leader in residential heating and cooling services, offering products such as BRYANT SYSTEM replacements, preventive maintenance contracts, and special financing options including a 'Tripple3x Special' with 0% financing, a 3-year labor warranty, and 3-year maintenance.

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10 miles from Gaithersburg, MD
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Innovative Mechanical Contractors logo

Innovative Mechanical Contractors

950 Bachmans Valley Rd. Westminster, MD 21158

Innovative Mechanical Contractors LLC is a minority-owned general contractor specializing in plumbing, mechanical, and medical gas systems, serving Maryland, Washington DC, Northern Virginia, and South Central Pennsylvania. They are committed to providing the best value in the construction industry with a focus on unmatched service, disciplined execution, and embracing new technologies for client satisfaction.

Verified


16 miles from Gaithersburg, MD

Specializations (5)

Federal Government

Government

Healthcare

Hospitality

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Jiffy Plumbing & Heating logo

Jiffy Plumbing & Heating

4623 Baltimore Ave. Hyattsville, MD 20781

Jiffy Plumbing & Heating is a company providing a wide range of plumbing and HVAC services to residents and business owners in Hyattsville, Maryland, and the surrounding D.C., Maryland, and Virginia area. They offer 24/7 emergency services and pride themselves on their workmanship, punctuality, and professional, trained technicians.

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15 miles from Gaithersburg, MD
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PMSC logo

PMSC

6810 Lois Dale Rd. Springfield, VA 22150

PMSC is a woman-owned small business and a major contractor for the U.S. Federal Government, offering a wide range of facility support services across the United States, with a focus on sustainability, cost-effective solutions, and nearly three decades of experience in managing various types of facilities.

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10 miles from Gaithersburg, MD
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Diversified HVAC logo

Diversified HVAC

7615-L Rickenbacker Drive, Gaithersburg, MD 20879

Diversified HVAC is a family-owned business based in Maryland, specializing in commercial heating and air conditioning services since 1990, offering 24/7 HVAC service, repair, installation, and maintenance for a variety of systems including AC units, chillers, boilers, and pumps.

Verified


1 mile from Gaithersburg, MD
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ADI Heating & Air-Conditioning logo

ADI Heating & Air-Conditioning

21529 Ripplemead Dr. Laytonsville, MD 20882

ADI Heating & Air-Conditioning is a Montgomery County, Maryland-based company with over 30 years of experience, specializing in residential and commercial HVAC services, including installation, maintenance, and repair of heating, air conditioning, and indoor air quality systems in the greater Washington DC area.

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1 mile from Gaithersburg, MD
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MECCO logo

MECCO

Jessup, MD 20701

MECCO, established in 1983, is a provider of first-rate commercial mechanical services in the Washington/Baltimore metropolitan region, offering 24/7 service for HVAC, sheet metal, plumbing, and building controls with a focus on energy efficiency and maintenance cost minimization.

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11 miles from Gaithersburg, MD
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ARK Construction Group logo

ARK Construction Group

1550 Okie St NE, Washington, DC 20002

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14 miles from Gaithersburg, MD
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Related Trades

HVAC Piping and Pumps

Refrigerant Piping

HVAC Air Distribution

HVAC Air Cleaning Devices

Central Heating Equipment

Central Cooling Equipment

Central HVAC Equipment

Decentralized HVAC Equipment

What the Early Adopters are Saying About Downtobid

"We have used Downtobid for our ITBs and so far our experience has been very positive. It has saved me time on the initial page turn and I really like the number of responses we're starting to see from our subcontractors!"

Robyn LynnMRI Builders

"The first time our company was able to travel outside Atlanta! Bidding in a new market and wasn't getting any hits on Drywall. Requested a boost and with 5 days I had 2 committed bidders and 1 submission. Using them on my next project."

Zalmy KavkaFounder, ZK Builders

""I love, the personalization of it. You get it more directed towards the contractors that we need. You, make it a little more personal than putting it on Blue Book or Planhub or anything like that. You let us communicate with the subcontractors, so we can narrow it down from what you've already narrowed it down from. We get more, more specific, more detailed quotes, more the correct quotes that we're looking for from you guys as opposed to maybe other places.""

Ryan PastorEstimator at George H. Pastor and Sons General Contracting

What the Early Adopters are Saying About Downtobid

"We have used Downtobid for our ITBs and so far our experience has been very positive. It has saved me time on the initial page turn and I really like the number of responses we're starting to see from our subcontractors!"

Robyn LynnMRI Builders

"The first time our company was able to travel outside Atlanta! Bidding in a new market and wasn't getting any hits on Drywall. Requested a boost and with 5 days I had 2 committed bidders and 1 submission. Using them on my next project."

Zalmy KavkaFounder, ZK Builders

""I love, the personalization of it. You get it more directed towards the contractors that we need. You, make it a little more personal than putting it on Blue Book or Planhub or anything like that. You let us communicate with the subcontractors, so we can narrow it down from what you've already narrowed it down from. We get more, more specific, more detailed quotes, more the correct quotes that we're looking for from you guys as opposed to maybe other places.""

Ryan PastorEstimator at George H. Pastor and Sons General Contracting

FAQs

What is Downtobid and how can it help find HVAC professionals in Gaithersburg, MD?

Downtobid is a platform that helps you find HVAC contractors in Gaithersburg, MD and submit bid requests for your projects. You provide project details, and the contractors respond with their bids through the platform.


Requesting bids from Gaithersburg, MD-based HVAC contractors

You can invite a contractor directly through our platform. Visit the contractor’s profile and click ‘Invite to Bid.’ Fill out the project details, including scope, timeline, and specific needs. Contractors in Gaithersburg, MD will then respond with their bids. It’s often helpful to call contractors after submitting a request, especially if your project is urgent.


Contractor verification process on Downtobid

Downtobid sets itself apart by verifying each contractor through a multi-step process. We use AI to ensure that contractor information, including trades, is accurate. We cross-check details using databases, public records, and Google Maps to confirm that businesses are active and their contact information is up-to-date before listing them.


Essential information for HVAC project bid requests

When submitting a bid request, include clear details about your project, such as materials needed, deadlines, and any specific requirements. The more specific you are, the better the contractor can assess and quote the job accurately.


Tips for contacting local HVAC professionals

If your project is urgent, it’s a good idea to call the contractor directly after submitting a bid request. This helps ensure they understand the timeline and scope of work, especially if immediate service is needed.


Managing bids for large-scale HVAC projects

If you have a larger project and don’t want to contact each contractor individually, you can reach out to us directly. We offer an ITB (Invitation to Bid) platform where you can manage bids from multiple contractors at once.


Expected response times from Gaithersburg, MD contractors

Most HVAC contractors will respond within 24-48 hours, depending on the complexity of your request. However, response times may vary – so be sure to follow up!

Quick stats about HVAC companies database in Gaithersburg, MD

Total contractors

2318 contractors

Total union contractors

118 union contractors

Total non union contractors

1640 non union contractors

Total minority owned businesses

103 minority owned businesses

Total women owned businesses

42 women owned businesses

Average response time

5 days

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