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HVAC Cost Calculator

Estimate the cost of HVAC equipment and installation.

Mason ReidFounder and Lead Estimator at MeasureThen

Last updated 2026-08-21

What Is a HVAC Cost Calculator?

An HVAC cost calculator estimates the total price of a new heating and cooling system by adding the equipment cost to the installation cost. It is a fast way to budget for a replacement or upgrade. The result helps you compare contractor bids on a fair, apples to apples basis.

How It Works

Cost = Equipment cost + Installation cost.

Example

A $5,000 unit with $1,500 installation = $6,500.

How to Calculate

  1. Get a price for the equipment itself. A mid range residential unit often runs about $5,000.
  2. Add the installation labor, which can run about $1,500 for a straightforward swap.
  3. The tool adds the two together. For a $5,000 unit with $1,500 installation, the total is $6,500.
  4. Add ductwork separately, since retrofits or new runs are usually quoted on their own.
  5. Compare multiple bids by equipment efficiency, or SEER, plus labor rather than sticker price alone.

Residential HVAC Cost by System Type

System TypeTypical Installed CostEfficiency
Window unit$150 to $80010 to 12 EER
Mini split (single zone)$1,500 to $4,00020+ SEER
Central AC only$4,000 to $8,00013 to 21 SEER
Furnace only$2,500 to $6,00080 to 98 AFUE
Full heat pump system$6,000 to $12,00015 to 20 SEER

Sources

Frequently Asked Questions

What does a new HVAC system cost?

Residential systems commonly run $4,000–$12,000 installed, depending on size and efficiency.

Does this include ductwork?

No — ductwork is usually quoted separately, especially for retrofits.

Should I compare quotes?

Yes — get multiple bids and compare equipment efficiency (SEER) plus labor, not just the sticker price.

or browse HVAC Calculators

More HVAC Calculators

BTU CalculatorCalculate the BTU rating you need to heat or cool a room. Enter square footage, ceiling height, and insulation to size your unit.AC Size CalculatorFind the right air conditioner size for your room. Enter square footage, ceiling height, and sun exposure to get BTU and tonnage.Heating CalculatorEstimate the heating capacity needed for a space.Duct Size CalculatorDetermine the correct duct size for airflow.

Mason ReidFounder and Lead Estimator at MeasureThen

Mason Reid founded MeasureThen after two decades of hands-on work in construction and estimating. Across residential and light commercial projects, he sized concrete pours, framed walls, hung drywall, and priced out roofing, fencing, and deck work — learning the exact math that every job depends on. At MeasureThen he writes the formulas, checks every calculator against real-world assumptions, and makes sure each one is simple enough for a homeowner to trust and a contractor to use. When he is not measuring twice, he is helping projects stay on budget.

Every MeasureThen calculator uses simple, transparent formulas and standard industry assumptions drawn from common construction practice. We show the math behind each result and include worked examples so you can follow along and double-check the numbers. Results are estimates: materials, labor, and pricing vary by region and market, so always confirm important figures with a licensed professional and your local building codes.