Licensed HVAC Contractors in Connecticut
679 HVAC contractors across 112 Connecticut cities hold a current credential in the official register. Every listing shows the number we checked and the date we checked it. How we verify.
Grouped by planning region. All Connecticut trades by city
Capitol Planning Region
Andover (3)Avon (3)Berlin (7)Bloomfield (3)Columbia (4)Coventry (7)East Hartford (4)Ellington (12)Enfield (14)Farmington (10)Glastonbury (5)Hartford (4)Kensington (3)Manchester (3)Marlborough (3)New Britain (7)Plainville (7)Plantsville (3)Simsbury (3)Somers (4)South Windsor (5)Southington (13)Stafford Springs (6)Tolland (7)Vernon (3)West Hartford (3)Wethersfield (8)Windsor (5)
Greater Bridgeport Planning Region
Bridgeport (7)Fairfield (5)Monroe (5)Stratford (8)Trumbull (6)
Lower Connecticut River Valley Planning Region
Clinton (3)Cromwell (4)Deep River (5)Durham (6)East Hampton (3)Higganum (4)Killingworth (5)Middletown (6)Moodus (3)Old Saybrook (5)Portland (6)
Naugatuck Valley Planning Region
Ansonia (3)Beacon Falls (4)Bethlehem (3)Bristol (19)Cheshire (8)Derby (4)Naugatuck (5)Oxford (4)Prospect (10)Seymour (6)Shelton (15)Southbury (5)Terryville (4)Thomaston (5)Waterbury (5)Watertown (8)Wolcott (7)
Northeastern Connecticut Planning Region
Northwest Hills Planning Region
Burlington (7)Canaan (3)Harwinton (7)Litchfield (3)New Hartford (7)Torrington (15)Winsted (4)
South Central Connecticut Planning Region
Bethany (3)Branford (11)East Haven (3)Guilford (13)Hamden (8)Madison (5)Meriden (12)Milford (16)New Haven (6)North Haven (7)Northford (3)Orange (6)Wallingford (11)West Haven (6)
Southeastern Connecticut Planning Region
Bozrah (4)Colchester (6)Griswold (5)Groton (3)Lebanon (4)Mystic (9)New London (3)Niantic (5)North Stonington (3)Norwich (3)Pawcatuck (6)Preston (3)Stonington (4)Waterford (5)
Western Connecticut Planning Region
Bethel (5)Brookfield (3)Danbury (15)Greenwich (5)New Fairfield (3)New Milford (9)Newtown (8)Norwalk (12)Sandy Hook (3)Sherman (4)Stamford (22)Wilton (3)