Compare free HVAC quotes for AC replacement, heat pump installation, furnace replacement, and mini-split systems from licensed CT contractors. Get responses within 24 hours.
Connecticut has a cold New England winters averaging 22°F in January and warm humid summers averaging 82°F — both heating and cooling are essential. Connecticut has one of the highest rates of oil heat in the country — over 40% of CT homes heat with oil, creating strong oil-to-heat-pump conversion demand. The average cost of a full HVAC system replacement in Connecticut ranges from $5,600–$13,000 depending on system type, home size, and installation complexity.
All HVAC contractors serving Connecticut homeowners through The Home Service Guide hold a HVAC contractor license through the CT Department of Consumer Protection (S1/S2 sheet metal or P1/P2 HVAC piping license). We verify licensing before connecting you with any contractor in our network.
Stacking available incentives can significantly reduce the out-of-pocket cost of a new HVAC system in Connecticut. Here are the key programs available to CT homeowners:
Federal credit for qualifying heat pump installations through 2032.
CT Energy Efficiency Fund rebates for qualifying cold-climate heat pump systems.
Interest-free financing for HVAC upgrades through the CT Green Bank Smart-E Loan program.
Additional utility rebates for ENERGY STAR HVAC equipment stacked on state incentives.
If your AC system is 10–15 years old or has required repeated repairs, replacement with a modern high-efficiency unit is typically more cost-effective. Today's systems are significantly more efficient than units installed a decade ago, reducing operating costs by 20–40%.
Heat pumps provide both heating and cooling from a single system and are 2–3x more efficient than electric resistance heating. CT homeowners who switch from oil or gas heating often see dramatic reductions in annual energy costs, especially when stacking available incentives.
High-efficiency gas furnaces (95%+ AFUE) and cold-climate heat pumps are the leading replacement options for aging furnace systems in Connecticut. The right choice depends on your current fuel source, home insulation, and access to local incentives.
Mini-split heat pumps require no ductwork and can be installed in virtually any space — ideal for older Connecticut homes, room additions, garages, and areas that existing ductwork doesn't reach. Most systems qualify for the same rebates as central heat pumps.