HVAC Services in Hartford, CT

69 HVAC contractors found

Need emergency service? 5 HVAC providers in Hartford offer 24/7 availability

Roto-Rooter Plumbing & Water Cleanup

4.8(1,216)
24/7 Highly Rated

All five featured reviewers awarded perfect 5-star ratings, with each testimonial specifically naming the…

750 Main St Ste 321, Hartford, CT 06103
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Marzano Plumbing & Heating llc

4.9(700)
Highly Rated

Of 8 sampled reviews, 5 specifically praise individual technicians by name for professionalism and diagnostic…

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Aire Serv of North Central Connecticut

4.9(482)
Highly Rated

All eight sampled reviewers award five-star ratings, with each story naming a specific technician who solved…

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GMT Chimney Services

5.0(366)
Highly Rated

All 366 reviews award 5 stars, with multiple customers naming technicians Joe, Alex, and Juan. Three…

33 Lafayette St, Hartford, CT 06106
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Ugo DiGrazia Air Conditioning and Heating, Inc.

4.9(365)
Highly Rated

Every reviewer awarded 5 stars. Three customers specifically named team members, Ivana, Jordan, and owner…

436 Franklin Ave, Hartford, CT 06114
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GMT Chimney Sweep Services

5.0(201)
24/7 Highly Rated

All eight reviewers award 5 stars, with three specifically mentioning same-day or 24-hour arrival. Alex is…

32 Lafayette St, Hartford, CT 06106
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Black Bear Heating & Air

5.0(178)
Highly Rated

Five named technician mentions appear across reviews, with three reviewers specifically praising Mike's…

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R & E Heating and Air Conditioning, LLC

4.8(220)
Highly Rated

Eight recent reviews consistently praise the company's same-day emergency response, with five reviewers…

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Chernin HVAC & Refrigeration L.L.C.

5.0(113)
Highly Rated

113 reviewers all award five stars, with multiple customers specifically noting owner Eli's direct…

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Energy Unlimited LLC

4.9(123)
Highly Rated

Seven of seven sampled reviewers award 5 stars, with three specifically naming technician Mike for same-day…

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Benjamin Home Service

4.8(119)
Highly Rated

All five reviewers award five stars, with two specifically citing same-day emergency response for furnace…

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Lowe's Air Duct Cleaning

5.0(97)

All 97 reviews award 5 stars, with reviewers consistently praising specific technicians by name including…

479 Farmington Ave Ste 116, Hartford, CT 06105
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Hyper Heat & Cool LLC

5.0(87)

Every reviewer awarded a perfect 5-star rating, with 87 total reviews establishing consistent excellence…

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SMR Heating And Cooling

5.0(85)

Eight customer reviews unanimously praise Sean's transparency and fair quoting, with four specifically…

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Alvin's Plumbing and Heating

4.6(123)

19 verified reviews consistently praise the company's responsiveness, with multiple customers noting same-day…

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Diamond Mechanical

5.0(78)

Eight reviewers collectively award 5 stars, highlighting same-day responsiveness, transparent pricing, and…

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Crocco Mechanical | HVAC Repair & Replacement in Connecticut

5.0(74)

All seven complete reviews unanimously award five stars, with Joshua Crocco specifically named as the…

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APEX Refrigeration, Cooling and Heating

4.9(58)

All twelve named reviewers who rated 5 stars mention Jeremy by name, with nine specifically praising his…

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Northern Comfort Services LLC

4.8(58)

Twenty-two of 58 reviewers specifically mention same-day or emergency response capability, while 31 reviews…

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Rich Carlson Heating & Cooling

4.8(48)

All seven detailed reviews award 5 stars, with four explicitly naming Rich and appreciating his direct…

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Middlesex Mechanical Services LLC

5.0(37)

All 37 client reviews award 5 stars, with three detailed accounts specifically praising owner Joe Piatti's…

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Macca Plumbing & Heating

4.8(42)

All 42 customer reviews award 5 stars, with technicians named in at least six distinct narratives including…

284 Locust St, Hartford, CT 06114
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Soyka Sheetmetal

5.0(32)

All 32 reviewer reviews award perfect 5-star ratings, with every client specifically naming Kyle or…

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All Set Heating & Cooling LLC

5.0(31)

All 31 reviews award 5 stars, with Alan named as the primary technician in at least 7 reviews. Customers…

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Otis Mechanical LLC

5.0(30)

Twelve of thirty reviewers specifically mention same-day or emergency response capability, with several…

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Deitch Energy LLC

4.0(70)
24/7

3 of 6 detailed reviewers issued 1-star ratings citing no-shows, missed oil deliveries, and broken scheduling…

40 Woodland St, Hartford, CT 06105
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Honest Air, LLC

4.9(30)

Seven of seven sampled reviewers award 5-star ratings, with four explicitly describing same-day or emergency…

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Complete Comfort Heating & Cooling, LLC

4.9(27)

Twenty-six of 27 reviews award 5 stars, praising Curt's no-upselling approach and same-day service response.…

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Foremost Mechanical Services

4.8(28)

Twenty-eight reviewers collectively praise Foremost Mechanical Services for emergency responsiveness, with…

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Guaranteed Mechanical Services LLC

5.0(20)

All 20 reviews award 5 stars, with 6 of 20 reviewers specifically naming Ryan as their technician. Three…

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HVAC Service Costs in Hartford, CT

Pricing ranges across all HVAC services offered in Hartford.

ServiceTypical RangePrice Points
AC Repair$83$3,0807 items →
AC Installation$168$22,4008 items →
AC Replacement$2,352$17,9205 items →
HVAC Maintenance$15$8247 items →
HVAC Repair$83$3,8507 items →
HVAC Service$76$15,2286 items →
Emergency HVAC$165$3,8506 items →
Commercial HVAC$2$88,0007 items →

Prices reflect continental metro averages based on HomeAdvisor and Angi published cost data. Last updated: April 2026.

HVAC in Hartford, CT: What Homeowners Should Know

Hartford’s inland position gives it a full humid continental climate: summers commonly reach 87°F with about 22 days above 90°F and 66% humidity, while winters dip to near 19°F with regular snowfall from November through March. That swing creates steady seasonal demand for both cooling and heating and makes year-round service essential. About 75 contractors serve the area; reviewers average 4.3 across 5,557 ratings, so searchers of hvac Hartford and hvac companies Hartford have a deep pool to compare.

City-wide pricing spans a broad spectrum — reported service costs range from $2 for minor parts or diagnostics up to $88,000 for major commercial or full-system installations — with most residential jobs clustering in the lower thousands. Connecticut requires HVAC contractors to carry a Class 1 Master Heating, Piping and Cooling (HPC) Contractor License from the Department of Consumer Protection’s Occupational and Professional Licensing division, including a minimum of four years of qualifying field experience; a handful of firms also advertise 24/7 emergency response.

Customer highlight details are unavailable in the dataset, so the market picture comes from scale and reviews: 75 local contractors competing across repairs, replacements and preventive plans, five offering around-the-clock service, and an average 4.3 rating suggesting generally positive experiences. For homeowners and managers seeking the best hvac Hartford, weigh licensing, review depth and emergency coverage alongside price and seasonal availability.

Frequently Asked Questions

Among 69 HVAC contractors serving Hartford, the top-rated providers average 4.3★ across 5,462 reviews. The highest-ranked companies on this page are sorted by a combination of rating and review volume, so established contractors with consistent quality appear first. Check reviews, licensing, and response time to pick the right fit for your situation.

All HVAC Contractors in Hartford, CT

Complete directory of 69 contractors — browse alphabetically

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