HVAC Services in Gaithersburg, MD
40 HVAC contractors found
Sichinava Heating and Air Conditioning
“Every reviewer highlights responsiveness as a defining strength, with three customers specifically noting…”
Smock Heating & Air
“Every review is 5 stars, with multiple customers emphasizing same-day response and thorough technical…”
American Home Inspectors
“All 19 reviews award perfect 5-star ratings, with multiple clients naming Patrick as their inspector.…”
Helios Electric, LLC
“All twelve reviewers awarded five stars, with multiple clients specifically praising first-submission…”
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…”
GAC Services
“Four reviewers specifically name individual technicians (Chun, Kevin Bateman, Edwin Sanchez) and describe…”
Top to Bottom Services
“Five-star ratings dominate the client feedback, with reviewers frequently citing specific technicians by…”
Mallick Plumbing & Heating, Inc.
“The overwhelming majority of reviews award 5-star ratings, with customers frequently naming specific…”
Presidential, Inc.
“Nearly all 1,793 reviewers award 5 stars, with technicians Rinard, Jose, Richard, Walter, Juan, and Gina…”
Electrical Connections
“Five-star ratings dominate the review history, with two sampled customers awarding perfect scores and…”
ProClean Air Duct Cleaning & Mold Remediation
“All referenced reviewers awarded 5-star ratings, with Danny named by three separate customers as the…”
Rod Miller Company
“Every one of 639 reviews rates 5 stars, with six reviewers specifically mentioning technicians by name.…”
Metro Services HVAC
“All featured reviewers awarded 5-star ratings, with both customer testimonials naming technicians Mike and…”
B&B Air Conditioning & Heating Service
“313 of 340 reviewers awarded five-star ratings, with repeated descriptors including same-day arrival,…”
Atlantic Coastal Cooling and Heating, Inc. (ACCH)
“Five-star ratings dominate the 302 reviews, with technicians Jamie, Billy, and Hank named repeatedly across…”
Mannix Heating and Cooling- Gaithersburg
“One hundred sixty-six reviews yield a 4.9-star average, with all sampled five-star ratings detailing…”
Perfect Fit Custom Shutters
“Five of six detailed reviews award 5 stars, with customers specifically praising responsiveness, fair…”
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…”
LP
“Eight of eight reviews award five stars, with the remaining two reviewers granting four stars. Four reviewers…”
Michael Bonsby HVAC, Plumbing & Electrical
“Every reviewer awarded 5 stars, with two clients specifically naming their technicians and highlighting…”
CroppMetcalfe
“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…”
Cool Breeze Plumbing, Heating & A/C
“Eight of ten sampled reviewers describe resolution of problems that persisted after attempts by other…”
Shanco Roofing
“All three featured reviewers award 5-star ratings, with each describing specific team members by name.…”
United Air Temp
“Across 289 reviews, technicians earn consistent praise for arriving on time, explaining repairs clearly, and…”
GiROSS CHIMNEY & DUCT SERVICES
“All five-star reviews name specific technicians, with Miguel appearing in the majority of testimonials.…”
HVAC Service Costs in Gaithersburg, MD
Pricing ranges across all HVAC services offered in Gaithersburg.
| Service | Typical Range | Price Points |
|---|---|---|
| AC Repair | $75–$2,800 | 7 items → |
| AC Installation | $150–$20,000 | 8 items → |
| AC Replacement | $2,100–$16,000 | 5 items → |
| HVAC Maintenance | $15–$800 | 7 items → |
| HVAC Repair | $75–$3,500 | 7 items → |
| HVAC Service | $70–$14,100 | 6 items → |
| Emergency HVAC | $150–$3,500 | 6 items → |
| Commercial HVAC | $2–$80,000 | 7 items → |
Prices reflect humid subtropical metro averages based on HomeAdvisor and Angi published cost data. Last updated: April 2026.
HVAC in Gaithersburg, MD: What Homeowners Should Know
Gaithersburg sits in a zone where summer humidity pushes indoor cooling beyond simple temperature control, while winter temperatures near 27 F demand heating systems that perform reliably through weeks of Chesapeake Bay chill. This climate creates real demand. Twenty-five hvac companies Gaithersburg compete for work, and they maintain a strong track record with an average 4.7 star rating compiled from roughly eighteen thousand homeowner reviews. The best hvac Gaithersburg contractors have learned to size cooling capacity for humid summer air while ensuring heating systems can endure multi-week cold snaps typical of the region.
Pricing across all HVAC services in the Gaithersburg market spans from $2 for minor repairs up to $80,000 for complete system replacements. Maryland law requires contractors to hold a Master HVACR License from the state Board of HVACR Contractors, which demands five years of experience as a licensed journeyman after completing a four-year apprenticeship. This licensing structure means technicians working in your home have demonstrated competency through formal training and supervised experience before tackling complex installations or diagnostics on heating and cooling equipment.
Customer feedback reveals patterns worth noting. Reviewers frequently mention specific technicians, with GAC Services clients naming Chun, Kevin Bateman, and Edwin Sanchez when describing successful repairs. Presidential, Inc. earns praise for same-day emergency response, while Michael Bonsby customers highlight detailed explanations that helped them understand equipment issues. These mentions appear across dozens of five-star reviews, suggesting that technical skill and clear communication remain the factors Gaithersburg homeowners value most when selecting an HVAC provider.
Frequently Asked Questions
All HVAC Contractors in Gaithersburg, MD
Complete directory of 40 contractors — browse alphabetically
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All HVAC Contractors in Gaithersburg, MD
Complete directory of 40 contractors — browse alphabetically