Every state / Connecticut

Connecticut HVAC Replacement Cost (2026)

Editor: Sean Greene · Updated

Installed this quarter in every Connecticut city: a central AC $4,150 to $9,700, a gas furnace $3,750 to $4,800 and a heat pump $7,450 to $19,250. Equipment and labor, before rebates, from the public baseline.

All 7 systems, low to high
Installed cost, equipment and labor, before rebates
SystemLowTypicalHighRange drawn
Central AC and gas furnace
Central AC only, 3 ton 16 SEER$4,150$6,900$9,700
Gas furnace only, 80,000 BTU 95% AFUE$3,750$4,050$4,800
Heat pump, ducted
2-ton heat pump 15 SEER$6,500$11,750$17,000
3-ton heat pump 15 SEER$7,450$13,350$19,250
4-ton heat pump 15 SEER$8,400$14,950$21,500
5-ton heat pump 15 SEER$9,400$16,550$23,700
Mini-split
Mini-split, one zone, 12,000 BTU 20 SEER$4,500$7,500$10,500

Cities

6 cities, by population. The range above applies to all of them. Each line names what differs.

Rebate Programs in Connecticut

10 programs read from each provider, 10 open now. Each one is a page: who qualifies, how much comes off, who files it.

Connecticut Natural Gas

Gas, investor-owned. Serves Central Connecticut and Greenwich.

Eversource

Both, investor-owned. Serves Eversource electric service territory across Connecticut.

Southern Connecticut Gas

Gas, investor-owned. Serves Southern Connecticut coast from Westport to Old Saybrook, including Bridgeport and New Haven.

United Illuminating

Electric, investor-owned. Serves Ansonia, Derby, East Haven, Hamden, Milford, New Haven, North Branford, North Haven, Orange, West Haven, Woodbridge, Bridgeport, Easton, Fairfield, Trumbull, Shelton and Stratford.

Contractor Licenses

Connecticut Department of Consumer Protection (heating, piping and cooling licenses). The licensing page.