Top 10 HVAC Companies in Frederick, MD
Quick Answer
The best hvac providers in Frederick, MD for 2026 include Smock Heating & Air (5), Markool Heating Cooling Plumbing (4.9), Frederick Air Inc (4.8).
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Smock Heating & Air
1539 Tilco Dr Unit 104, Frederick, MD 21704, USA
Licensed & InsuredTop Rated
Services: Hvac Contractor
2
Markool Heating Cooling Plumbing
5304C Kings Ct, Frederick, MD 21703, USA
Licensed & InsuredTop Rated
Services: Hvac Contractor
3
Frederick Air Inc
3 King Ave, Frederick, MD 21701, USA
Licensed & InsuredTop Rated
Services: Hvac Contractor
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4
Tuckers Air Conditioning, Heating & Plumbing
4650 Wedgewood Blvd #102, Frederick, MD 21703, USA
Licensed & Insured
Services: Hvac Contractor
5
TriState Home Services
82A Wormans Mill Ct, Frederick, MD 21701, USA
Licensed & Insured
Services: Hvac Contractor
6
May's Heating & Air Conditioning
8420 Gas House Pike DD, Frederick, MD 21701, USA
Services: Hvac Contractor
7
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical
5744 Industry Ln Suite N, Frederick, MD 21704, USA
Services: Hvac Contractor
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8
BPM Heating, Cooling & Plumbing
300 E 4th St Unit A, Frederick, MD 21701, USA
Services: Hvac Contractor
9
Honest
511 N Bentz St, Frederick, MD 21701, USA
Services: Hvac Contractor
10
Wenbrooke Services AC Repair, Plumbing, Heating and Electrician
617 W Patrick St Suite 220, Frederick, MD 21701, USA
Services: Hvac Contractor
How We Ranked These Frederick Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Frederick market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does hvac cost in Frederick?
Pricing varies by scope and provider. Request 2-3 local quotes for accurate pricing.
What is the best hvac company in Frederick?
Based on ratings and reviews, top-rated providers in Frederick include Smock Heating & Air (5), Markool Heating Cooling Plumbing (4.9), Frederick Air Inc (4.8).
How do I choose a hvac service in Frederick?
Check Google reviews (4.5+ stars), verify licensing and insurance, get multiple quotes, and ask for references from recent local jobs.