Explore 5 Trusted HVAC Contractors Serving Gaithersburg, MD

Check the heating and cooling services, business details, and available customer feedback for 5 HVAC contractors in Gaithersburg, MD. Use this information to narrow your options and contact contractors who may be suitable for your installation or repair.
Presidential Heating & Air Conditioning provides expert HVAC installation, repair, and maintenance services for residential and commercial clients in Gaithersburg, MD, and surrounding areas. Since 1982, weve prioritized customer satisfaction through energy-efficient solutions, 24/7 emergency support, and Factory Authorized Carrier products. Our Home Comfort Club ensures year-round system reliability with routine inspections and priority service.
Furnace Installation AC Repair HVAC Maintenance
Prompt and caring service Fixed it quickly Saved me thousands
5 reviews
Harvey W Hottel
50+ Years
Emergency
5 reviews
Harvey W Hottel, Inc. specializes in commercial HVAC and plumbing services, delivering design, installation, and maintenance solutions since 1945. Based in Gaithersburg, MD, we serve the Mid-Atlantic region with LEED-certified projects, geothermal systems, and energy-efficient technologies. Our family-owned business combines 75+ years of experience with a commitment to innovation and client satisfaction.
Commercial HVAC Plumbing Services Geothermal Systems
Best HVAC company in the region Great customer service Top-notch technicians
James A Wheat & Sons provides comprehensive plumbing, HVAC, and gas fireplace services to residential customers in Maryland and Washington, DC. As a family-owned business, we combine technical expertise with personalized service, offering 24/7 emergency support and financing options. Our commitment to quality includes NATE-certified technicians, upfront pricing, and community engagement.
Plumbing Repair HVAC Installation Water Heater Replacement
Outstanding technicians Prompt service calls Clear communication
Not rated yet
Michael Bonsby
Emergency
Not rated yet
Michael Bonsby provides expert HVAC, plumbing, and electrical services across Maryland, DC, and Northern Virginia. With over 20 years of experience, we deliver 24/7 emergency repairs, installations, and maintenance for residential and commercial clients. Our customer-first approach includes free estimates, financing options, and a satisfaction guarantee.
HVAC Repair Plumbing Services Electrical Services
Incredibly responsive Knowledgeable technician Excellent service
Not rated yet
DMR Associates
50+ Years
Not rated yet
DMR Associates delivers customized HVAC solutions for commercial and industrial buildings, specializing in equipment sales, retrofit projects, and engineering support. With over 50 years of experience, we focus on energy efficiency, acoustic optimization, and cost-effective system design. Our services include equipment selection, installation, factory-trained service, and aftermarket parts support for clients in healthcare, government, data centers, and other sectors.
HVAC System Design Equipment Retrofit Replacement Solutions
Sterling (15.4 mi) Frederick (21.8 mi) Springfield (24.5 mi) Rockville (4.9 mi) Silver Spring (14.1 mi) West Friendship (17.3 mi) Washington (18.5 mi) Hyattsville (18.9 mi) Arlington (18.9 mi) Laurel (19.1 mi)