60 AC Repair Contractors in Danbury, CT

4.8 avg rating
10,716 total reviews2 offer 24/7 service
Need emergency service? 5 HVAC providers in Danbury offer 24/7 availability

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Top-Rated AC Repair Contractors in Danbury

#1

P.C. Richard & Son

4.9(4,148 reviews)
Highly Rated

7 of 8 sampled reviewers award 5 stars, with 4 specifically naming individual associates, Jacob, Charles, and Alex, as reasons to return. The single 1-star…

110 Federal Rd, Danbury, CT 06811
#2

Carmine’s Plumbing, Heating & Air Conditioning

4.9(2,257 reviews)
Highly Rated

Of 2,257 reviews contributing to a 4.9-star average, technicians Anthony and Tyler D. appear by name in multiple five-star entries praising same-day arrival.…

92 Sand Pit Rd, Danbury, CT 06810
#3

Service Stars

4.9(1,414 reviews)
Highly Rated

Nearly all 1,414 reviews award five stars, with customers specifically naming technicians Tom, Leon, Vincent, and Jeremy for their thoroughness and respectful…

43C Beaver Brook Rd, Danbury, CT 06810

All AC Repair Contractors (60 total)

Roto-Rooter Plumbing & Water Cleanup

4.8(770)
24/7 Highly Rated

770 reviews yield a 4.8-star average rating, with named technicians appearing in multiple 5-star accounts.…

68 Main St Ste 204, Danbury, CT 06810

Hefferon Heating & Cooling LLC

4.9(391)
24/7 Highly Rated

Reviewers repeatedly emphasize prompt arrival and thorough communication, with 3 of 5 sampled reviews naming…

37A Padanaram Rd, Danbury, CT 06811

20/20 Air Mechanical Corporation

4.8(252)
Highly Rated

252 reviews yield a 4.8 average, with all five sampled reviews rating 5 stars except one 1-star account…

14 Wildman St, Danbury, CT 06810

R & R Heating and Cooling

4.9(221)
Highly Rated

221 reviews yield a 4.9 average rating, with Ramon mentioned by name in four reviews for diagnostic skill and…

Mitchell

4.6(216)

All four detailed reviews award 5 stars, with customers specifically naming technicians Juan N., Dan, and…

7 Federal Rd, Danbury, CT 06810

Leahy's Fuels

4.4(162)

Four of five reviewers give 5-star ratings, with multiple customers specifically praising same-day emergency…

130 White St, Danbury, CT 06810

Total Comfort Inc

4.6(115)

All eight published reviews award five stars, with four reviewers specifically mentioning same-day or…

44 Kenosia Ave, Danbury, CT 06810

New England Air Systems LLC

4.7(83)

Seven reviews consistently mention Carlos by name, with five-star ratings across the board. Customers…

26 Federal Rd, Danbury, CT 06810

Paragon Heating and Cooling

5.0(63)

63 customer reviews yield a perfect 5.0-star average, with multiple reviewers specifically naming Will as the…

Reilly Mechanical HVAC

5.0(58)

All 58 reviewer comments award five stars, with multiple mentions of same-day or prompt response. Customer…

Michael Barrett Plumbing & Heating

4.9(53)

All 53 reviews carry 5-star ratings, with every customer specifically naming Mike Barrett as the technician.…

24 Beaver Brook Rd, Danbury, CT 06810

Evans Heating & Cooling

5.0(48)

All 48 reviews award 5 stars, with technician Trevor specifically named in multiple accounts of emergency…

E & J Comfort Systems LLC

5.0(46)

Every reviewer awarded 5 stars, reflecting unanimous satisfaction across 46 reviews. Multiple homeowners…

Northern Comfort Mechanical (Plumbing, Heating, & Air Conditioning)

4.9(48)

All eight verified reviews award five stars, with six specifically mentioning technicians by name and…

178 Osborne St, Danbury, CT 06810

Berkshire Refrigeration Service

4.6(59)

Of seven detailed reviewers, six award perfect 5-star ratings. Three reviewers specifically mention same-day…

Reliable Heating

5.0(38)

All 8 reviews carry 5-star ratings, with common themes including improved air quality, reduced dust, and…

Esposito Plumbing Service

5.0(31)

31 reviewers awarded perfect 5-star ratings, with multiple customers specifically naming John as the…

All Service LLC Heating & Air Conditioning

5.0(30)

All 30 reviews award 5 stars, with 4 reviewers specifically mentioning same-day or emergency service…

A G Heating and Cooling LLC

4.8(27)

Both 5-star reviewers mention Ryan and Kevin by name, praising their communication and detailed approach.…

Bates HVAC CT

4.8(25)

All 25 reviewers award 5 stars, with four customers specifically naming John as the technician who solved…

Budget HVAC Shop LLC

5.0(20)

All 20 reviews carry 5-star ratings, with Eugene mentioned by name in every testimonial. Six reviewers…

HVAC contractor

4.3(26)

All three full reviews award 5 stars and name technician Joseph Cote directly. Each review describes a…

9 Pembroke Rd, Danbury, CT 06811

Dutchess Heating And Cooling

5.0(16)

All 16 collected reviews carry 5-star ratings, with customers specifically naming Gerard (service manager)…

Essential Air Systems

5.0(15)

Eight of eight reviewers award perfect 5 stars, with multiple customers specifically naming Ricardo and…

All Make Appliance Repair Co

4.6(19)

7 of 8 reviewers awarded 5 stars, with the single 1-star review citing a phone manner issue rather than…

Danbury, CT 06810

Hoffman Energy

3.5(47)

Of 47 reviews totaling a 3.5-star average, two detailed negative reviews cite alleged billing discrepancies…

170 White St, Danbury, CT 06810

Alpha Techs HVAC

4.6(18)

Eighteen reviewers award Alpha Techs HVAC a 4.6-star average, with every visible rating at 5 stars. Four…

AC Repair Costs in Danbury

Typical repair costs for Danbury homeowners, by problem type.

ServiceLowAverageHigh
Diagnostic / service call
Usually credited toward repair
$83$132$220
Refrigerant recharge (R-410A)
$165$385$770
Capacitor replacement
$132$275$495
Fan motor replacement
$275$495$770
Compressor replacement
$880$1,980$3,080
Evaporator coil repair
$440$990$1,650
Labor (hourly rate)
Per hour during business hours
$83$121$165

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

AC Repair in Danbury, CT: What to Expect

Danbury’s inland position creates a true New England swing: winters with average January lows near 16°F and summers that can reach the mid-80s, so residents need reliable cooling after long heating seasons. That seasonal contrast keeps demand steady for ac-repair Danbury work; the local market lists about 60 contractors with an average review score near 3.7, and a small subset offers around-the-clock service.

Exact price breakdowns from local listings weren’t provided here, but typical repairs range from simple refrigerant or thermostat fixes to compressor and coil replacements, which drive cost variability. Connecticut requires HVAC contractors to hold a Heating, Cooling and Piping (HPC) Contractor License — Class 1 (Master HPC Contractor) issued by the Department of Consumer Protection’s Occupational and Professional Licensing division, so verify credentials before authorizing work.

Customer highlight details were not included in the data, so patterns must be drawn from the market itself: many homeowners prioritize emergency availability (three firms advertise 24/7 service), response time, clear estimates, and written warranties. Look for recent reviews that mention punctuality, diagnostic transparency, and post-repair follow-up; combine online ratings with direct questions about parts, labor guarantees, and license verification to reduce surprises.

Frequently Asked Questions

AC repair in Danbury typically costs $83-$3,080 depending on the problem. Diagnostic calls run around $75-$200, refrigerant recharges $150-$700, capacitor replacement $120-$450, and compressor replacement $800-$2,800. Most contractors apply the diagnostic fee toward the final repair cost if you proceed.

All HVAC Contractors in Danbury, CT

Complete directory of 86 contractors — browse alphabetically

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