HVAC
Heating and cooling: furnaces, air conditioners, heat pumps and ductwork. System size, efficiency rating, fuel type and duct condition set most of the price, and federal tax credits and utility rebates can change the net cost. Start with HVAC replacement cost.
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Ductwork Replacement Cost in 2026: Price per Foot and by Duct Type
Replacing ductwork costs $1,400 to $5,600 for most homes in 2026, or $25 to $55 per linear foot. See costs by duct type and location, and when sealing…
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Attic Insulation Cost in 2026: Prices by Type and R-Value
Attic insulation costs $1,000 to $3,500 in 2026, or about $1 to $6.50 per sq ft. Prices by type, R-value, removal and air sealing, from several cost guides.
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Mini Split Installation Cost in 2026: Prices by Zone and Size
A single-zone mini split costs $2,500 to $6,000 installed in 2026. Prices by zone, BTU size and unit style, plus labor, line set, wiring and tax credit status.
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AC Unit Replacement Cost in 2026: By Tonnage, SEER2 and Refrigerant
A standard central AC replacement costs $5,000 to $8,300 in 2026. Prices by tonnage and SEER2, regional efficiency rules, the refrigerant change, and condenser-only vs full system.
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Furnace Replacement Cost in 2026: Gas, Electric and Oil Prices
A new furnace costs $2,800 to $7,500 installed in 2026, based on three published cost guides. Prices by fuel, home size and AFUE, venting changes and carbon monoxide…
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Heat Pump Installation Cost in 2026: Air-Source, Geothermal and Ductless
What a heat pump costs to install in 2026 ($5,000 to $25,000 for ducted air-source, by guide) by type, house size and efficiency, the extras on the quote,…
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HVAC Replacement Cost in 2026: Furnace, AC and Heat Pump Prices
A new furnace and central AC costs $5,000 to $15,000 installed in 2026, across three price guides. Prices by system type, home size, SEER2 rating, ductwork, permits and…