24 HVAC Service Contractors in Gaithersburg, MD
Top-Rated HVAC Service Contractors in Gaithersburg
GAC Services
“Four reviewers specifically name individual technicians (Chun, Kevin Bateman, Edwin Sanchez) and describe skills ranging from furnace diagnostics to electrical…”
Michael Bonsby HVAC, Plumbing & Electrical
“Every reviewer awarded 5 stars, with two clients specifically naming their technicians and highlighting detailed diagnostic explanations as distinguishing…”
All HVAC Service Contractors (24 total)
Parker Pearce Service Experts
“Positive reviews consistently praise same-day technician arrival during temperature emergencies, with one…”
James A. Wheat & Sons, Inc.
“Over 99% of reviewers assign 5-star ratings, with only one 1-star critique in the dataset mentioning pricing…”
Rod Miller Company
“Every one of 639 reviews rates 5 stars, with six reviewers specifically mentioning technicians by name.…”
Cool Breeze Plumbing, Heating & A/C
“Eight of ten sampled reviewers describe resolution of problems that persisted after attempts by other…”
Metro Services HVAC
“All featured reviewers awarded 5-star ratings, with both customer testimonials naming technicians Mike and…”
Atlantic Coastal Cooling and Heating, Inc. (ACCH)
“Five-star ratings dominate the 302 reviews, with technicians Jamie, Billy, and Hank named repeatedly across…”
United Air Temp
“Across 289 reviews, technicians earn consistent praise for arriving on time, explaining repairs clearly, and…”
Sichinava Heating and Air Conditioning
“Every reviewer highlights responsiveness as a defining strength, with three customers specifically noting…”
Mannix Heating and Cooling- Gaithersburg
“One hundred sixty-six reviews yield a 4.9-star average, with all sampled five-star ratings detailing…”
Hecox Home Services LLC
“Four reviewers specifically mention emergency response scenarios involving same-day or same-afternoon…”
Smock Heating & Air
“Every review is 5 stars, with multiple customers emphasizing same-day response and thorough technical…”
ADI Heating & Air Conditioning, LLC
“Four of five detailed reviews specifically name Ronen as the technician providing service, with three…”
Mallick Mechanical Services
“Three of four detailed reviews mention same-day or next-day arrival despite scheduling obstacles like severe…”
Germantown Heating & Air Conditioning
“Three featured reviews yield mixed results: two five-star ratings praise diagnostic skill, same-day…”
Harvey W Hottel, Inc.
“Positive reviews emphasize project efficiency and professional conduct, while the lone 1-star review cites…”
LP
“Eight of eight reviews award five stars, with the remaining two reviewers granting four stars. Four reviewers…”
Gaithersburg AC and Heating - AMS
“Six of seven reviews award five stars, with three clients specifically praising same-day response times…”
AAA Residential Services Ltd, Heating & Air Conditioning
“All 4 published reviews award a perfect 5-star rating, indicating strong customer satisfaction. Homeowners…”
Heating & Air Conditioning
“Four of six reviews award five stars, with two reviewers specifically naming individual technicians and…”
Diversified HVAC Services
“Of four detailed negative reviews, three cite billing disputes including unexpected weekend surcharges and…”
HVAC Service Costs in Gaithersburg
General HVAC service pricing across maintenance, repair, and installation in Gaithersburg.
| Service | Low | Average | High |
|---|---|---|---|
Service call / diagnostic | $75 | $120 | $200 |
Routine tune-up (single system) | $70 | $125 | $200 |
Standard repair (avg) | $150 | $600 | $1,200 |
Major repair (compressor, heat exchanger) | $1,500 | $2,500 | $3,500 |
New system installation (mid-range) | $6,500 | $10,500 | $14,000 |
Full HVAC replacement AC + furnace combined | $11,590 | $13,430 | $14,100 |
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Service in Gaithersburg, MD: What to Expect
Gaithersburg residents face a punishing seasonal swing that makes reliable hvac service in gaithersburg essential rather than optional. Summer brings hot, humid conditions with temperatures reaching 88 F, and the Chesapeake Bay proximity adds latent cooling loads that strain equipment. Winters average a chilly 27 F, demanding heating systems that perform without interruption. With 24 qualified contractors serving the metro area and an impressive average rating of 4.7 across nearly 18,000 customer reviews, homeowners have access to a competitive market of skilled professionals prepared for both extreme seasons.
Pricing reflects the scope of work required. A standard service call and diagnostic runs $75-$200, while routine seasonal tune-ups for a single system typically cost $70-$200. When components fail and repairs become necessary, standard repair costs range from $150-$1200 depending on parts and labor. All contractors must hold a Master HVACR License from the Maryland Department of Labor, establishing a baseline of professional competency across the industry.
Customer feedback reveals distinct strengths among top-rated companies. Reviewers consistently commend GAC Services for technicians like Chun, Kevin Bateman, and Edwin Sanchez, who handle everything from complex furnace diagnostics to electrical repairs. Michael Bonsby sets itself apart through meticulous diagnostic explanations, with every recent review awarding five stars. Presidential, Inc. earns praise for same-day emergency responsiveness, with technicians including Rinard, Jose, and Richard noted for professional conduct and clear communication.