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HVAC Replacement Cost Calculator — Denver

HVAC replacement in Denver, Colorado costs close to the national average. Home size, system type, and ductwork condition are the biggest cost factors. Get your estimate below.

Low estimate$4,800
Average$9,000
High estimate$18,800

Home square footage

Home square footage 1800

Quality Tier

Standard materials, solid craftsmanship

Scope of Work

Labor

Labor portion of total cost 40%

HVAC Replacement Cost in Denver: 2026 Guide

Use the calculator above to get a quick estimate. The guide below explains what drives hvac replacement costs in Denver and what to expect from contractors in Denver.

Typical HVAC Replacement Costs in Denver

Project ScopeLowHigh
AC only — small home (under 1,200 sqft)$1,700$3,100
Full system — average home (1,200–2,000 sqft)$4,800$8,000
Full system — large home (2,000–3,500 sqft)$8,000$9,000
Premium system or full ductwork replacement$9,000$18,800

What Affects HVAC Replacement Costs in Denver?

Labor rates: Contractors in Denver charge $47–$94/hour for hvac replacement work — close to the national average.

Material costs: Material prices in the Mountain region are close to national average due to local supply, transportation costs, and market demand.

Project complexity: Site conditions, permitting requirements, and non-standard layouts can add 15–30% to total project cost.

Frequently Asked Questions

How much does HVAC replacement cost in Denver?
HVAC replacement in Denver typically costs $4,800–$18,800. Most homeowners pay around $9,000 for a complete AC + furnace system in a standard home. Heat pump systems run $4,800–$18,800 installed.
How often does HVAC need to be replaced in Denver?
HVAC systems typically last 15–25 years. Central AC units last 15–20 years, furnaces 20–30 years, and heat pumps 15–20 years. In Denver, climate stress (hot summers or cold winters) can shorten lifespan.
What size HVAC do I need in Denver?
Most homes need approximately 1 ton of AC capacity per 400–600 sqft. Your 1,800 sqft home likely needs a 3-ton unit. A load calculation (Manual J) from a licensed HVAC contractor in Denver gives the exact sizing.
Is it better to repair or replace HVAC in Denver?
If repair costs exceed 50% of replacement cost, or the unit is over 10 years old, replacement is usually better value. New systems use 30–50% less energy, which can save $4,800–$9,000 over 10 years in Denver.

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Use Cost Estimator app to generate detailed hvac replacement estimates — share as PDF directly with clients.

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Estimated cost in Denver

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Range: $0 – $0
Materials$0
Labor$0
City multiplier1.05x

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