Frederick County, MD
HVAC Pros in Frederick County, MD
Compare verified HVAC providers serving Frederick County, MD.
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Quick facts
- AreaFrederick County
- StateMD
- Providers17
- Typical ticket$3.5k – $11k
Top local providers
Request quotes →- Smock Heating & AirTop rated
What customers say “We recently had both of our HVAC units replaced by Smock Heating & Air, and the experience was excellent from start to…”
- installationrepairinspectionemergency
What customers say “After having ongoing issues with my HVAC system, I had another well-known company come out first—and honestly, that…”
- installationrepairemergency
What customers say “Tuckers is a great company! We have been members of tuckers for a little over 10 years and have always been satisfied…”
- TriState Home ServicesTop ratedinstallationrepairinspectionemergency
What customers say “I can’t recommend Bojan enough! He came to fix my home HVAC issue, and from start to finish, he was friendly,…”
- installationrepairinspection
What customers say “Our HVAC system started acting up on a cold Jan day. The system would run for about 5 minutes, then shut itself off,…”
- Markool Heating Cooling PlumbingTop ratedinstallationrepairemergency
What customers say “I did not think companies like Markool existed any longer. When it comes to honesty , dedication and pride they have it…”
- May's Heating & Air ConditioningTop rated
What customers say “Service was top-notch from beginning to end. Unfortunately, we tried a repair that did not fix the heat due to the HVAC…”
- Warner ServiceTop ratedinstallationrepairemergency
What customers say “We’ve had FIVE different companies try to fix our HVAC system over the past few years, and none have come close to the…”
What customers say “It’s been a few weeks now since we got the news we’d be best off to replace our HVAC system when our heat stopped…”
- BPM Heating, Cooling & PlumbingTop ratedinstallationrepairemergency
What customers say “Thank you! First I want to say that my first encounter with one of the service guys was amazing!! I found out about…”
- Frederick Air IncTop rated
What customers say “Frederick Air is the best HVAC company that we've ever used.! They recently installed two new HVAC systems in our home…”
What customers say “We had B&B come out earlier this year for our cooling inspection as well as a tankless water heater flush. They just…”
- installationrepairinspectionemergency
What customers say “I recently had an amazing experience with Wenbrooke Services and wanted to share my feedback. Derek, one of their…”
- Wyant Service ExpertsTop rated
What customers say “Wyant installed the system in our home 23 years ago and have maintained it ever since. Last year they handled two…”
- Alexair, LLCTop rated
What customers say “We needed a new heat pump system and decided to have two mini split units installed at the same time. Franklin…”
Local pricing snapshot
Repairs typically run $150–$600. Full system replacements range from $4k for a basic furnace to $12k+ for a premium heat pump. Prices vary by system type, efficiency, and whether ductwork modifications are needed.
Cities in this county
Maryland hub →Frequently Asked Questions
Do HVAC pros in Frederick County charge travel fees?
Some rural routes include a trip charge. Confirm before scheduling and ask whether it applies to the estimate.
Which cities are in Frederick County?
Frederick County includes Frederick.
Are permits required for HVAC work?
Most Maryland jurisdictions require a mechanical permit for equipment swaps. Ask your provider who pulls the permit and how it is priced.
Licensing verified weekly. Reviews refreshed within the last 30 days.
Licensing data: Maryland Department of Labor — Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors (HVACR Board) · Company data: verified business records + Google Business profile
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