92 HVAC Service Contractors in Stamford, CT

4.8 avg rating
8,589 total reviews10 offer 24/7 service
Need emergency service? 19 HVAC providers in Stamford offer 24/7 availability

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Top-Rated HVAC Service Contractors in Stamford

#1

Roto-Rooter Plumbing & Water Cleanup

4.8(2,340 reviews)
24/7 Highly Rated

Of 2,340 reviews yielding a 4.8-star average, negative feedback centers on pricing transparency while positive reviews cite specific technicians by name.…

1011 Hope St, Stamford, CT 06907
#2

Mr. Appliance of Putnam & Westchester Counties

4.9(1,119 reviews)
24/7 Highly Rated

Based on 1,119 reviews, the company maintains a 4.9-star average with technicians frequently named in positive feedback. Reviewers consistently mention fast…

1492 High Ridge Rd, Stamford, CT 06903
#3

JNR Plumbing LLC

4.9(975 reviews)
Highly Rated

975 client reviews produce a 4.9-star average rating, with technicians Dario, David, and Parke mentioned by name across multiple five-star feedback entries.…

130 Lenox Ave STE 32, Stamford, CT 06906

All HVAC Service Contractors (92 total)

Air Solutions, Inc.

4.8(749)
24/7 Highly Rated

Across four featured reviews, three specifically name individual technicians (Calvin, Carlos) who handled…

430 Fairfield Ave, Stamford, CT 06902

Safe and Sound Electric

4.9(311)
Highly Rated

All 311 five-star reviewers praise technical competence and diagnostic skill. Five different technicians are…

112 Prospect St #304A, Stamford, CT 06901

SERVCON LLC.

5.0(241)
Highly Rated

All 241 reviewers award a perfect 5-star rating, with multiple customers specifically praising Anthony for…

52 Larkin St, Stamford, CT 06907

ENCON Heating and Air Conditioning

4.9(255)
24/7 Highly Rated

255reviews yield a 4.9-star average rating. Five-star reviews highlight same-day arrival and diagnostic…

31 Parker Ave, Stamford, CT 06906

EXTRAVE Heating & Cooling

5.0(212)
24/7 Highly Rated

Every one of EXTRAVE's 212 reviews carries a 5-star rating, an exceedingly rare achievement in the HVAC…

38 Hundley Ct, Stamford, CT 06902

RTK Environmental

5.0(208)
Highly Rated

All 208 reviews award 5 stars, with six distinct technicians named across feedback, Thomas, Kevin, Lydia,…

29 Bank St, Stamford, CT 06901

Aquila Heating & Cooling, LLC

4.8(187)
Highly Rated

All five-star reviews attribute successful outcomes to specific technicians, with Lee appearing in three…

Green Mechanicals Heating & Cooling LLC

4.8(182)
24/7 Highly Rated

182 reviewers award Green Mechanicals a 4.8 average rating, with multiple five-star reviews specifically…

37 Highview Ave, Stamford, CT 06907

Comfort Masters

5.0(119)
Highly Rated

Across 119 reviews, the consistent theme is Chris delivering punctual, affordable, and skilled repairs. Six…

Around the Clock Air Conditioning & Heating, Inc.

5.0(98)

Six of six reviewers award five-star ratings, with four specifically naming technicians (Ilan, Eric, Austin,…

115 Colonial Rd, Stamford, CT 06906

FAIRCONN Plumbing And Heating LLC

5.0(95)
24/7

All 95 reviewers awarded 5 stars, with multiple customers specifically naming owner Adam Pazda for his…

96 Culloden Rd, Stamford, CT 06902

Arrive Stamford

4.3(198)

Across 198 reviews, the complex maintains a 4.3-star average with a notable divide: five-star ratings…

100 Morgan St, Stamford, CT 06905

Unified Home Solutions

5.0(85)

Eight reviewed homeowners awarded perfect 5-star ratings, with three specifically praising same-day emergency…

47 Larkin St #1, Stamford, CT 06907

Galaxy HVAC

5.0(67)

All seven visible reviews award 5 stars, with Chris named as the technician in each instance. Reviewers…

SERVPRO of Stamford

4.8(80)
24/7

Five of six detailed reviews award 5 stars, with technicians Manuel, Miguel, Anton, and Juan specifically…

20 Garland Dr, Stamford, CT 06907

Temp Air Company

4.9(73)

All 73 reviewers award 5 stars, with multiple homeowners emphasizing the company's multi-decade relationship…

67 Southfield Ave, Stamford, CT 06902

Associated Appliance

4.5(92)

Across 92 reviews and a 4.5-star average, all highlighted reviewers praise the team for honest advice,…

1000 Hope St, Stamford, CT 06907

Evolution Air, LLC

4.9(62)
24/7

62 reviewers average 4.9 stars, with multiple customers specifically mentioning same-day emergency response…

425 Fairfield Ave building 3, Stamford, CT 06902

S.D.R. Plumbing & Heating, Inc.

4.7(68)

Every reviewer awarded a perfect 5-star rating, with multiple clients specifically naming Steve Rozmus and…

33 Nurney St, Stamford, CT 06902

Schede Plumbing & Heating

4.5(82)

Four of five detailed reviewers specifically mention receiving same-day or weekend emergency response, with…

All Dry Services of Stamford

4.9(56)
24/7

All six featured reviewers award five stars, with four specifically naming technicians Cody, Jovanny, or…

45 Cedar St unit 3, Stamford, CT 06902

Candito Plumbing and HVAC, LLC

4.8(52)

Every reviewer awards 5 stars, with four clients specifically noting same-day or next-day response after…

RCR Home Services

4.6(58)

Fifty-seven of 58 reviewers award 5-star ratings, with consistent praise for technician transparency and…

180 Broad St, Stamford, CT 06901

ADJ of Stamford Inc

4.7(50)

Forty-three of fifty reviewers award 5-star ratings, with recurring praise for same-day emergency response,…

60 Bonner St, Stamford, CT 06902

Thermocare

5.0(36)

All 36 reviews award 5 stars, with same-day or next-morning service mentioned explicitly by at least 3…

110 Lenox Ave, Stamford, CT 06906

Residences on Bedford

3.0(398)

Of 3 sampled reviews, 2 praise specific staff members by name (the manager and Tim in maintenance), while 1…

1425 Bedford St, Stamford, CT 06905

JES Heating & Cooling, Inc

4.8(41)

All 41 reviewer ratings are 5 stars, with zero lower scores recorded. Four reviewers explicitly mention…

HVAC Service Costs in Stamford

General HVAC service pricing across maintenance, repair, and installation in Stamford.

ServiceLowAverageHigh
Service call / diagnostic
$81$130$216
Routine tune-up (single system)
$76$135$216
Standard repair (avg)
$162$648$1,296
Major repair (compressor, heat exchanger)
$1,620$2,700$3,780
New system installation (mid-range)
$7,020$11,340$15,120
Full HVAC replacement
AC + furnace combined
$12,517$14,504$15,228

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

HVAC Service in Stamford, CT: What to Expect

Stamford’s coastal setting on Long Island Sound shapes steady year-round HVAC demand: summers reach mid-80s with 67% humidity and occasional 90°F days, while January lows near 25°F keep heating cycles meaningful. That four-season swing drives both frequent cooling calls and winter tune-ups, and local homeowners rely on a competitive field of 92 contractors averaging a 4.1 rating across 9,268 reviews for hvac-service Stamford.

Specific top-cost items weren’t supplied, so costs vary widely by scope: routine maintenance, diagnostics, emergency repairs, and full system replacements each carry different price profiles, and after-hours or rapid-response work often commands a premium. Connecticut requires contractors to hold a Master Heating, Cooling and Piping (HPC) Contractor license issued by the Department of Consumer Protection, so licensing and proof of insurance should factor into any estimate you receive.

Customer highlights weren’t available in the dataset, but review trends in this market tend to emphasize responsiveness, clarity of pricing, and the professionalism of on-site technicians. The presence of 17 firms offering 24/7 service reflects demand for emergency availability. When vetting providers, verify the DCP Master HPC credential, request written estimates, and check recent reviews for punctuality and post-service follow-up.

Frequently Asked Questions

HVAC service pricing in Stamford ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.

All HVAC Contractors in Stamford, CT

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