Best HVAC Contractors in Stamford, CT

Updated March 2026 · Based on licensing, reviews & response time

How We Identified the Best Hvac in Stamford, CT

Our "best" ranking goes beyond star ratings. We evaluated hvac companies in Stamford, CT on licensing, insurance, complaint history, response time, and pricing transparency to surface the truly top-tier options.

💡 Quick Tips:
  • Verify the company's license number on your state's contractor board website
  • Read recent reviews specifically from Stamford, CT customers, not just overall ratings
  • Ask about warranties on both parts and labor before signing a contract
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1

Air Solutions, Inc.

430 Fairfield Ave, Stamford, CT 06902, USA
★★★★½ 4.8 (730 reviews)
Licensed & InsuredTop Rated
Services: Hvac Contractor
2

Evolution Air, LLC

425 Fairfield Ave building 3, Stamford, CT 06902, USA
★★★★½ 4.9 (62 reviews)
Licensed & InsuredTop Rated
Services: Hvac Contractor
3

ENCON Heating and Air Conditioning

31 Parker Ave, Stamford, CT 06906, USA
★★★★½ 4.9 (234 reviews)
Licensed & InsuredTop Rated
Services: Hvac Contractor
4

EXTRAVE Heating & Cooling

38 Hundley Ct, Stamford, CT 06902, USA
★★★★★ 5 (211 reviews)
Licensed & Insured
Services: Hvac Contractor
5

SERVCON LLC.

52 Larkin St, Stamford, CT 06907, USA
★★★★★ 5 (242 reviews)
Licensed & Insured
Services: Hvac Contractor
6

Green Mechanicals Heating & Cooling LLC

37 Highview Ave, Stamford, CT 06907, USA
★★★★½ 4.8 (181 reviews)
Services: Hvac Contractor
7

Around the Clock Air Conditioning & Heating, Inc.

115 Colonial Rd, Stamford, CT 06906, USA
★★★★★ 5 (97 reviews)
Services: Hvac Contractor
8

Temp Air Company

67 Southfield Ave, Stamford, CT 06902, USA
★★★★½ 4.9 (73 reviews)
Services: Hvac Contractor
9

FAIRCONN Plumbing And Heating LLC

96 Culloden Rd, Stamford, CT 06902, USA
★★★★★ 5 (115 reviews)
Services: Hvac Contractor
10

Tri Tech Mechanical LLC

47 W Main St, Stamford, CT 06902, USA
★★★★½ 4.8 (34 reviews)
Services: Hvac Contractor

How We Ranked These Stamford Pros

Our rankings are based on a weighted evaluation of five key factors:

  1. Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
  2. Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
  3. Response Time — Companies offering same-day or 24/7 emergency service score higher.
  4. Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
  5. Experience & Longevity — Years serving the Stamford market and breadth of services factor into overall reliability.

Rankings are reviewed quarterly. Have a correction? Contact us.