Heating & Cooling Cost Guides
Replacement and installation price ranges for the systems that keep your home comfortable year-round.
9 guides · figures cross-checked against current data ( methodology) · compare every project in the cost index.
How Much Does Air Conditioner Repair Cost?
AC repair costs $150 to $700 in 2026 (avg ~$375), with major fixes like a compressor far higher. See cost by repair type and when to repair vs. replace.
$150 – $700How Much Does It Cost to Replace a Water Heater?
Replacing a water heater costs $900 to $3,500 installed in 2026 (avg ~$1,500); tankless runs more. See cost by type, the full breakdown, and how to save.
$900 – $3,500How Much Does It Cost to Replace Ductwork?
Ductwork replacement costs $1,400 to $12,000 in 2026 (avg ~$5,000), or $15–$19 per linear foot. See cost by home size and material, plus what drives the price.
$1,400 – $12,000How Much Does It Cost to Install a Mini Split?
A ductless mini split costs $1,200 to $14,500 in 2026 depending on zones (single-zone avg ~$3,000). See cost per zone and what drives the price.
$2,000 – $14,500How Much Does It Cost to Replace a Furnace?
A new furnace costs $3,000 to $12,000 installed in 2026 (avg ~$4,800). See cost by efficiency, the full breakdown, and how to avoid overpaying.
$3,000 – $12,000How Much Does It Cost to Replace a Central AC Unit?
Central AC replacement costs $4,000 to $12,000 in 2026 (avg ~$6,500). See cost by size and efficiency, the full breakdown, and how to avoid overpaying.
$4,000 – $12,000How Much Does It Cost to Replace a Boiler?
Boiler replacement costs $4,000 to $10,000 installed in 2026 (avg ~$5,750). Compare standard vs. high-efficiency and gas, oil, and propane pricing.
$4,000 – $10,000How Much Does a Heat Pump Cost to Install?
Heat pump installation costs $6,000 to $20,000 in 2026 (avg ~$14,500). Compare mini-split, ducted, and geothermal pricing plus what's left of the rebates.
$6,000 – $20,000How Much Does It Cost to Replace an HVAC System?
Replacing a full HVAC system costs $7,000 to $20,000 in 2026 (avg ~$13,000). See cost by system type, the full breakdown, and what drives the quote up.
$7,000 – $20,000