Localized for 1,000+ U.S. cities — adjusted for local labor, climate & permits

HVAC · cost by city

Full HVAC System Replacement cost (2026)

Replacing the complete HVAC system — furnace plus central AC or heat pump — together. Enter your city below for an estimate adjusted to local labor, climate and permit fees.

Comparing options?Heat Pump Installation
National average · 2026
$8,000 $15,000

The typical homeowner pays close to $11,500 as a national figure — your city changes the number.

$8,000typical $11,500$15,000
Typical range
$8,000–$15,000
Most affordable
El Paso, TX
$10,350
Most expensive
San Jose, CA
$14,600
Cities covered
1000+
By type

Full HVAC System Replacement cost by type

National ranges by option. Localize any of these to your city below.

TypeNational 2026 range
AC + gas furnace (split system)$7,000 $13,000
Heat pump system (air-source)$8,500 $16,000
Dual-fuel (hybrid heat pump + furnace)$10,000 $18,000

full HVAC system replacement guides & advice

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By city

Where full HVAC system replacement costs the most & least

See how this project prices out across major U.S. cities in 2026 — tap any one for the full local number.

Cost drivers

What affects the price

  • Whether you choose AC + furnace or a heat pump system
  • Total capacity and efficiency tier
  • Extent of ductwork repair or replacement
  • Zoning and smart-thermostat add-ons
Save money

Ways to cut the cost

  • Replacing both units together cuts duplicate labor
  • Stick to one efficiency tier that fits your climate
  • Stack state and utility rebates where offered
  • Avoid premium 'comfort' add-ons you won't use
Best time to buy

Cheapest time for full HVAC system replacement

Demand for HVAC work falls off a cliff in the shoulder months, and contractors discount to keep their crews booked. Wait for a 100-degree day or a hard freeze, though, and you're paying emergency rates for a system that just quit.

Best window
Spring and fall (Mar–May, Sep–Oct)
Avoid
Peak summer and mid-winter
Off-peak savings
5–15%
FAQ

Full HVAC System Replacement cost questions

How much does full HVAC system replacement cost in 2026?

Nationally, full HVAC system replacement runs about $8,000–$15,000, with most homeowners paying around $11,500. Your city moves this based on local labor, climate and permits — El Paso, TX is among the lowest ($10,350) and San Jose, CA among the highest ($14,600).

What are the main types of full HVAC system replacement and how do they compare?

AC + gas furnace (split system) ($7,000–$13,000); Heat pump system (air-source) ($8,500–$16,000); Dual-fuel (hybrid heat pump + furnace) ($10,000–$18,000). Pick a city below to localize any of these to your area.

What affects the cost of full HVAC system replacement?

Whether you choose AC + furnace or a heat pump system; Total capacity and efficiency tier; Extent of ductwork repair or replacement; Zoning and smart-thermostat add-ons.

When is the cheapest time for full HVAC system replacement?

The best window is spring and fall (mar–may, sep–oct), when demand drops and installers discount — typically 5–15% off peak pricing. Avoid peak summer and mid-winter.