Frederick Air Inc
Frederick Air Inc is a HVAC provider serving Frederick, MD. Rated 4.8★ with 425 Google reviews. See services, review signals, and request a quote.
HVACFrederick, MD
On this page
Company overview
- TradeHVAC
- Service areaFrederick, MD
- Google rating4.8★ (425 reviews)
- Phone(301) 845-5652
- Address3 King Ave, Frederick, MD 21701, USA
Photos
Photos from Frederick Air Inc
What customers say
“Great experience with Jason (my tech) and Jeff (the "parts guy"). I had a major problem with my gas furnace; I knew it when I walked into a very, very cold house. I was fortunate to get an appointment…”
“Finally needed to replace our AC and Furnace after 23 years. The three technicians, despite the weather, were pleasant, professional and did great work. And they seemed like they enjoyed their work. W…”
“I had a fantastic experience with Frederick Air Heating & Air Conditioning. Mike from customer service was extremely knowledgeable and helpful, making the entire process smooth from start to finish. T…”
“Frederick Air is the best HVAC company that we've ever used.! They recently installed two new HVAC systems in our home replacing systems that the builder installed over 15 years ago. The administrati…”
“Frederick Air just installed a new HVAC system at my townhouse and the entire experience was smooth and painless. They offered several options based on my preferences and explained everything thorough…”
Key highlights
Strengths
- Highly rated (4.8★ average)
- Large review volume (425 reviews)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does Frederick Air Inc offer?
Frederick Air Inc provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Frederick, MD.
What is Frederick Air Inc's rating?
Frederick Air Inc has a 4.8 out of 5 star rating based on 425 Google reviews.
Is this company licensed in Maryland?
All listed providers have a verified Maryland contractor license at time of publication. You can verify on the Maryland Department of Labor — Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors (HVACR Board) lookup at https://www.dllr.state.md.us/cgi-bin/ElectronicLicensing/OP_Search/OP_search.cgi?calling_app=HVAC.
Does Frederick Air Inc offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-23. Reviews refreshed 2026-04-23.
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
See our editorial standardsReport inaccurate info about Frederick Air Inc
Request a quote from Frederick Air Inc
Enter your ZIP and we will line up a free estimate alongside other top local pros.