HVAC Cost Guides
Whole House Fan Installation Cost in 2026: What You Will Pay
Whole house fan installation costs $1,700 on average in 2026, typically $900 to $2,400 installed. Decode the attic-fan naming trap, the CFM sizing rule that drives quotes, and why missing attic vents add $300 to $650.
$900.00 – $2,400.00 per project
Reviewed 2026-10-13 · 67 sources cited
Thermostat Installation Cost in 2026: What You Will Pay
Thermostat installation costs $250 on national average, typically $85 to $625 for a professionally installed unit including the device. Smart thermostats run $185 to $600 installed; a missing C-wire adds $30 to $300 for an adapter or new wiring.
$85.00 – $625.00 per project
Reviewed 2026-10-12 · 67 sources cited
Ductwork Replacement Cost in 2026: Prices by House Size
Ductwork replacement costs $3,500 on national average, with most projects landing between $1,400 and $5,600. Installed prices run $25 to $55 per linear foot: flexible duct is cheapest at $10 to $25 per foot installed, while sheet metal runs $25 to $60 per foot. See 2026 prices by house size, duct type, and location.
$1,400.00 – $8,000.00 per project
Reviewed 2026-10-12 · 67 sources cited
Furnace vs Heat Pump Cost in 2026: Which Is Cheaper?
A whole-home heating replacement costs $8,000 on national average, typically $3,500 to $13,000 installed. A gas furnace runs $4,000 to $10,000 but needs a separate air conditioner; a heat pump at $5,500 to $12,000 heats and cools in one system.
$3,500.00 – $13,000.00 per project
Reviewed 2026-10-12 · 67 sources cited
Boiler Installation Cost in 2026: Prices by Fuel Type
Boiler installation costs $5,800 on national average, typically $3,000 to $9,000 for the unit plus professional installation. Gas is the most common fuel; high-efficiency condensing models cost more upfront but cut winter fuel bills.
$3,000.00 – $9,000.00 per project
Reviewed 2026-10-11 · 67 sources cited
Radiant Floor Heating Cost in 2026: Prices per Square Foot
Radiant floor heating costs $11 per square foot on national average installed, typically $6 to $20. Electric systems run $8 to $15 per sq ft; hydronic $7 to $17; a single room typically costs $1,500 to $6,400.
$6.00 – $20.00 per square foot
Reviewed 2026-10-11 · 67 sources cited
Ductless Mini Split Installation Cost in 2026: Prices by Zone
Ductless mini split installation costs $5,000 on national average, with most projects landing between $2,500 and $15,000. Single-zone systems average $3,000 to $5,000 installed; multi-zone systems run $5,000 to $14,500 depending on the number of indoor units.
$2,500.00 – $15,000.00 per project
Reviewed 2026-10-11 · 67 sources cited
Central AC Installation Cost in 2026: What You'll Pay
Central AC installation costs $6,000 on national average, with most projects landing between $5,000 and $12,000. A 3-ton system for an average-size home runs $5,000 to $9,150 installed; standard-efficiency units install for $3,800 to $7,500 while high-SEER systems run $6,000 to $12,000.
$3,500.00 – $14,000.00 per project
Reviewed 2026-10-22 · 67 sources cited
Air Duct Cleaning Cost in 2026: Price per Vent
Air duct cleaning costs $550 on national average, with most jobs between $300 and $700. Expect $25 to $50 per supply vent, or $0.15 to $0.40 per square foot. Mold or vermin remediation pushes the bill to $800 to $1,500+.
$200.00 – $1,500.00 per project
Reviewed 2026-10-10 · 67 sources cited
Heat Pump Installation Cost in 2026: What You'll Pay
Heat pump installation costs $8,500 on national average, with most projects landing between $5,000 and $15,000. Single-zone mini-splits start near $2,000; ducted air-source systems run $5,000 to $15,000; geothermal reaches $15,000 to $35,000. Federal tax credits up to $2,000 can cut the bill substantially.
$2,000.00 – $35,000.00 per project
Reviewed 2026-10-10 · 67 sources cited
Furnace Installation Cost
Furnace installation costs $5,500 on national average, with most projects landing between $3,200 and $7,800. Gas furnaces, the most common type, run $3,800 to $10,000 installed (about $7,000 for a 1,600 to 2,000 sq ft home). Electric: $2,500 to $7,000. Oil: $4,000 to $10,000. Propane: $3,000 to $12,000.
$2,000.00 – $12,000.00 per project
Reviewed 2026-10-20 · 67 sources cited