HOME SERVICES • HVAC REPLACEMENT

Estimate your HVAC replacement cost before you invite sales reps into your home.

Enter your home size, system type, efficiency level, and ductwork condition to see a realistic budget range for replacing your heating and cooling system. This tool uses price ranges commonly used by HVAC contractors across the United States.

Free calculator • No signup • US homeowners
What this calculator estimates
  • Approximate total HVAC replacement cost
  • Estimated cost per ton and per sq ft
  • Impact of efficiency and ductwork choices
HVAC replacement inputs
Use your best estimate if you don’t have exact numbers.
Estimate only
Include the total conditioned square footage served by your HVAC system. Use your appraisal or real estate listing if you are not sure.
System type affects equipment cost, efficiency options, and installation complexity.
Higher efficiency systems typically cost more up front but can reduce utility bills.
Major duct changes add material and labor costs beyond equipment only swaps.
Difficult access, crane lifts, or multi-story work can increase labor.
Labor and overhead vary significantly by region and market.

This HVAC Replacement Cost Calculator provides a budgetary range based on typical US price assumptions. It is not a formal quote. Always confirm final pricing with a licensed HVAC contractor in your area.

Need an HVAC replacement quote for your home?

We have HVAC contractors nationwide ready to take your call and discuss exact pricing, equipment options, efficiency levels, and timelines for your system replacement.

Call (877) 949-3557 now
Estimated HVAC replacement cost
Updated automatically as you adjust your inputs.
Estimated total project cost
Enter your project details to see a typical cost range for a professional HVAC replacement project.
Estimated low-end cost
Represents simpler projects at the lower end of the range.
Estimated high-end cost
Includes higher efficiency systems, more ductwork, and higher labor rates.
Estimated cost per ton
Average blended cost per ton of cooling capacity.
Estimated cost per sq ft
Average blended cost across your conditioned area.
Estimated upgrades impact
Approximate portion of your budget tied to efficiency and add-ons.
Estimated system size
Approximate tons of cooling based on home size.
How this HVAC Replacement Cost Calculator works

HVAC contractors often estimate projects using a typical cost range per ton of cooling (or BTU capacity), then adjust for system type, efficiency level, ductwork condition, installation difficulty, and regional labor rates. This calculator starts with those ranges and applies multipliers that reflect common upgrade patterns in real projects.

By combining your home’s conditioned square footage with typical ranges for central AC and furnace systems or heat pumps, plus adjustments for ductwork and regional pricing, the tool gives you a clearer picture of how choices like higher efficiency equipment and duct upgrades can affect your total budget—before you start meeting with sales reps.

Plan your HVAC replacement budget with a realistic estimator

Replacing an aging or failing HVAC system is one of the biggest home comfort upgrades you can make—but costs can vary widely from one home and contractor to the next. The HVAC Replacement Cost Calculator from Hot Calculators helps you build a realistic budget before you commit to multiple sales appointments or sign a contract.

By pairing your home’s conditioned square footage with common price ranges for central AC and furnace systems or heat pumps, this tool estimates what many homeowners might expect to spend on a professional HVAC replacement project. Options for efficiency level, ductwork condition, installation difficulty, and regional cost levels show how equipment choices and location affect your overall investment.

While only an on-site inspection can reveal every detail—such as duct sizing, airflow issues, electrical needs, or access challenges—this calculator keeps you from going into the process blind. It can help you decide where to invest in higher efficiency or duct improvements, where to keep things simple, and whether contractor proposals fall within a reasonable range for your goals.

What this calculator is best used for

This HVAC replacement calculator is ideal for homeowners who want to:

  • Get a quick budget range before requesting quotes
  • Compare AC + furnace versus heat pump system costs
  • See how higher efficiency equipment influences pricing
  • Understand how ductwork and regional labor affect the bottom line

Use the results as a benchmark when you review written proposals, equipment options, and installation details from HVAC contractors in your area.

Why system size, efficiency, and ductwork matter so much

In an HVAC project, system size, efficiency rating, and ductwork condition drive most of the cost. Larger homes require more capacity, higher efficiency equipment costs more up front, and duct repairs or replacements add material and labor. This calculator uses typical ranges that reflect those realities, giving you a more grounded starting point than guesswork alone.

How upgrades change your HVAC replacement budget

Choosing variable-speed equipment, smart thermostats, or duct upgrades can quickly change your budget. The calculator lets you see how including these upgrades influences your estimated range so you can better match your wish list to your available budget and long-term comfort and efficiency goals.

Next steps after using the HVAC Replacement Cost Calculator

After you’ve reviewed your estimated range, schedule consultations and written proposals from at least two or three reputable HVAC contractors. Ask each installer to explain what’s included in their price—such as equipment brand and model, efficiency rating, thermostat, ductwork scope, and warranties—and compare those details to your calculator results. A clear understanding of your budget range and priorities can make those conversations more productive and help you choose the right partner.

Ready to turn your HVAC replacement estimate into a real quote?

Once you’ve seen your estimated HVAC replacement cost, speak with a heating and cooling professional about exact pricing, equipment options, and scheduling tailored to your home.

Call (877) 949-3557 now