Cost to Central AC Installation in Denver, CO (2026)

If you’re budgeting a central ac installation in Denver, most projects run $4,887-$13,031, 9% above the $7,500 national average. What moves that number most is usually one thing: Unit Size (Tonnage). On its own it can swing the cost by $3,650 - $14,000, so that’s the decision to slow down on before you sweat the smaller stuff.

Easiest place to save: Get quotes in fall or spring. HVAC companies are slammed in summer heat waves and winter cold snaps. Off-season quotes can be 10-20% lower, and you'll have more scheduling flexibility.

In the Mountain West (where Denver sits): Dry climate reduces tonnage needs, but labor costs are rising in growing metros.

$4,887-$13,031 in Denver

9% above the national average · 1.09x cost multiplier

Expect to pay $4,887-$13,031 for a central ac installation in Denver, about 9% above the national benchmark. The Mountain West region's contractor market and material costs account for most of this difference. The detailed breakdown below shows how budget, mid-range, and premium projects compare at Denver prices.

Cost Breakdown in Denver

Line ItemLowMidHigh
Cost per ton$4887$8145$15203
Materials$2,968$4,452$7,950
Labor$2,065$2,868$3,441
Permits$212$371$530
Total$5,245+5% vs. national avg$7,691+3% vs. national avg$12,981+8% vs. national avg

Budget

14-15 SEER economy brand (Goodman or Amana), 2.5-3 ton unit, replacement into existing ductwork, standard thermostat

Mid-Range

16-18 SEER mid-tier brand (Rheem, Trane, or Carrier), 3 ton unit, existing ductwork, programmable or smart thermostat

Premium

19-21 SEER variable-speed unit, top brand (Lennox or American Standard), 3-4 ton, existing ductwork, smart thermostat, enhanced air filtration

Material Options

Material prices below are national averages; availability in Denver may shift costs slightly.

MaterialCost/UnitBest For
14 SEER Unit$1,725-$3,600 (equipment only)Budget replacements, mild climates, homes you plan to sell soonLowest upfront cost, meets minimum federal standard, reliable performance
16 SEER Unit$2,875-$6,000 (equipment only)Best value for most homeowners - sweet spot of cost and efficiencyGood efficiency gains over 14 SEER, reasonable payback, quieter operation
18 SEER Unit$4,100-$7,800 (equipment only)Hot climates with heavy AC usage, homeowners planning to stay long-termSignificantly lower utility bills, two-stage or variable-speed, very quiet
20+ SEER Unit$5,750-$9,600 (equipment only)Premium installations, very hot climates, homeowners who prioritize comfort and efficiencyMaximum efficiency, variable-speed for precise comfort, whisper-quiet, may qualify for tax credits

Other Projects in Denver

Denver Estimate

Typical Range

$4,887-$13,031

vs. National Average

9% above national

Cost Multiplier

1.09x

Cost Per ton

$4887-$15203

This 1.09x estimate prices Denver labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.

See national average costs →