Best HVAC in Connecticut (2026)

176 businesses found · Ranked by quality, not ads

Find top-rated hvac businesses in Connecticut. Every business is ranked by Quality Score — our quality metric based on responsiveness, data completeness, and verified reviews. Not who pays the most.

Monroe, CT

HVAC

4.8(555 reviews)

Quality Score: 36.3

Wallingford, CT

HVAC

4.9(275 reviews)

Quality Score: 35.6

New Milford, CT

HVAC

4.7(454 reviews)

Quality Score: 35.6

Cheshire, CT

HVAC

4.8(268 reviews)

Quality Score: 35.2

Danbury, CT

HVAC

4.8(175 reviews)

Quality Score: 34.5

Bridgeport, CT

HVAC

5.0(100 reviews)

Quality Score: 34.4

Stamford, CT

HVAC

5.0(94 reviews)

Quality Score: 34.3

Simsbury, CT

HVAC

4.9(90 reviews)

Quality Score: 33.8

Bloomfield, CT

HVAC

4.9(68 reviews)

Quality Score: 33.3

East Haven, CT

HVAC

4.7(74 reviews)

Quality Score: 32.8

Milford, CT

HVAC

5.0(42 reviews)

Quality Score: 32.8

West Haven, CT

HVAC

5.0(35 reviews)

Quality Score: 32.4

Norwalk, CT

HVAC

5.0(6 reviews)

Quality Score: 28.6

West Haven, CT

HVAC

5.0(1 review)

Quality Score: 25.1

Terryville, CT

HVAC

4.9(692 reviews)

Quality Score: 16

East Haven, CT

HVAC

4.3(124 reviews)

Quality Score: 16

North Branford, CT

HVAC

4.1(8 reviews)

Quality Score: 16

Hamden, CT

HVAC

5.0(18 reviews)

Quality Score: 16

Stamford, CT

HVAC

4.4(45 reviews)

Quality Score: 16

North Haven, CT

HVAC

4.7(6 reviews)

Quality Score: 16

Norwalk, CT

HVAC

4.8(543 reviews)

Quality Score: 16

West Haven, CT

HVAC

4.9(144 reviews)

Quality Score: 16

Stratford, CT

HVAC

4.9(60 reviews)

Quality Score: 16

Norwalk, CT

HVAC

5.0(23 reviews)

Quality Score: 16

Southbury, CT

HVAC

4.8(170 reviews)

Quality Score: 16

Norwalk, CT

HVAC

4.7(11 reviews)

Quality Score: 16

Hartford, CT

HVAC

4.9(361 reviews)

Quality Score: 16

Meriden, CT

HVAC

4.2(25 reviews)

Quality Score: 16

North Haven, CT

HVAC

4.9(188 reviews)

Quality Score: 16

West Haven, CT

HVAC

5.0(1 review)

Quality Score: 16

Wallingford, CT

HVAC

5.0(1 review)

Quality Score: 16

Stratford, CT

HVAC

4.8(579 reviews)

Quality Score: 16

Bridgeport, CT

HVAC

5.0(42 reviews)

Quality Score: 16

Derby, CT

HVAC

4.5(54 reviews)

Quality Score: 16

Meriden, CT

HVAC

5.0(11 reviews)

Quality Score: 16

Portland, CT

HVAC

4.9(1044 reviews)

Quality Score: 16

Brookfield, CT

HVAC

4.9(193 reviews)

Quality Score: 16

Danbury, CT

HVAC

4.8(252 reviews)

Quality Score: 16

Stamford, CT

HVAC

4.9(218 reviews)

Quality Score: 16

Plainville, CT

HVAC

4.8(265 reviews)

Quality Score: 16

Waterbury, CT

HVAC

4.9(380 reviews)

Quality Score: 16

Brookfield, CT

HVAC

4.9(82 reviews)

Quality Score: 16

Shelton, CT

HVAC

5.0(67 reviews)

Quality Score: 16

Stamford, CT

HVAC

4.9(23 reviews)

Quality Score: 16

Guilford, CT

HVAC

4.7(48 reviews)

Quality Score: 16

Plantsville, CT

HVAC

4.7(70 reviews)

Quality Score: 16

New Britain, CT

HVAC

4.7(27 reviews)

Quality Score: 16

Monroe, CT

HVAC

4.9(2602 reviews)

Quality Score: 16

South Windsor, CT

HVAC

4.7(1146 reviews)

Quality Score: 16

New Milford, CT

HVAC

5.0(979 reviews)

Quality Score: 16

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