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Central Air Installation Cost

Central air installation cost in Denver

With a furnace already in place, central AC in the Denver area typically costs $6,800–$8,500. Heat pumps, new furnaces and houses without ducts are priced below.

A Bosch outdoor unit on a gray riser on a gravel strip between a green lawn and a red-stained deck railing

A Bosch outdoor unit on a riser at the edge of a deck.

01 Your house now

02 House size sq ft

03 System

Central ACHomes 1,500–2,500 sq ft

$6,700 to $8,500

Typical price

An outdoor AC and an indoor coil added to the furnace you already have.

Living roomBedroomBedroomAtticBasementOutsideBoilerAC123456
In this priceAlready thereCooling

What’s in that price

  1. 1Outdoor AC unitSet on a new pad beside the house.
  2. 2Indoor coilSits on top of your furnace.
  3. 3New line setTwo copper lines out through the rim joist.
  4. 4New 240-volt circuitFrom the panel to a shutoff outside.
  5. 5Condensate drainPiped to a floor drain or a small pump.
  6. 6Thermostat wiringFrom the thermostat to both units.

Also included

  • Sizing for your house
  • Permit and inspection
  • Startup and charge check
  • Taxes and rebate forms

If your electrical panel is full, a panel upgrade adds $5,500 to $6,100.

Paying for it

RENU Colorado finances central AC over 3 to 15 years.

Financing options

Rebates

A heat pump usually costs about $16,600 more at full price. It also heats and qualifies for rebates, typically $7,750 with Xcel gas, Denver metro, 2026.

Current rebates

Photos to send

  1. The furnace
  2. The furnace label
  3. The electrical panel, open
  4. Where the outdoor unit could go

What gets installed for each system

Every price covers the unit outside, the part inside that moves the air, and the startup check we do before we leave.

  1. Central AC on your furnace$6.8k–$8.5k

    A Bosch outdoor unit on a composite pad on the lawn beside tan siding and a brick foundation
    Outside
    Horizontal indoor unit in an attic between roof framing, with an insulated refrigerant line, flex duct and PVC drain piping
    Inside
  2. Heat pump on your ducts$15.3k–$19k out of pocket, $21k–$28k full price

    Mitsubishi two-fan outdoor unit beside a red brick wall in a river-rock bed, with a green garden hose
    Outside
    Black Mitsubishi air handler in a basement beside an exposed brick wall, with the refrigerant line and drain connected
    Inside
  3. Mini-split, no ducts$10.4k–$12.2k

    Mitsubishi outdoor unit on a pad on an upper wood deck with a brown railing and a downspout, trees beyond
    Outside
    White Mitsubishi wall-mounted indoor unit on a white wall below a skylight, beside a closet door
    Inside

Central air in a house with no ducts

Radiators or baseboard heat don’t rule out cooling.

A ductless indoor unit high on a wallpapered wall above wood paneling and a leaded-glass cabinet
Mini-split outdoor unit on a stand beside a stucco house, looking out over pine-dotted foothills and red rocks
White wall-mounted indoor unit high on a bedroom wall beside a sliding white barn door
Mitsubishi compact outdoor unit on a stand beside a cedar board-and-batten wall, with a white line-set cover
A ductless indoor unit high on a bedroom wall between two wood cabinets
Mitsubishi outdoor unit on wall brackets against a tan brick wall, with conduit and a disconnect
A mini-split is a heat pump.

It cools in summer and heats in winter. Several rooms on one outdoor unit run $23.4k–$36.2k, about $17k–$30k after typical rebates with Xcel gas.

$10.4k–$12.2k for one room

Get a central air price from photos

We do the estimates and installs, and we price the job from your phone photos.

  1. Photos of what’s there nowYour furnace or rooms, and the panel.
  2. A written priceEquipment, labor, permit and taxes.
  3. Or book a visitWe walk the house with you.
1. Your details2. Photos or quote
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