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Furnaces

We install Trane modulating and variable-speed furnaces because they keep temperatures steady, stay quiet, and integrate cleanly with the ductwork we care about. The right furnace heats efficiently and feels calm when the temperature swings.

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What it is

A Trane furnace paired with proper ductwork delivers even heat and quiet operation. We focus on modulating or two-stage variable-speed furnaces because they match the load, keep fans slow, and avoid the blasts that oversized units create.

Who it is for

  • Homes looking to replace an aging single-stage furnace with a quieter, more efficient option
  • Projects that want clean duct transitions and proper air balancing
  • Owners planning for future heat pump or dual-fuel integration

What it costs

Typical installed ranges in Boulder County:

Most furnace installs take one day. We stage duct, gas, and vent work so you are never without heat for long, and we lay down protection before we start.

Budget-friendly replacement
Starts around $6,000
Good for straightforward swaps with minimal duct, gas, or control changes.
Trane modulating furnace
$9,000 to $12,000
Includes duct transitions, venting, and commissioning.
Trane two-stage variable-speed furnace
$8,000 to $10,500
Depends on capacity, controls, and gas/electrical updates.

What affects price

  • Duct transitions, filtration, and zoning requirements
  • Gas line upgrades, venting changes, and code corrections
  • Integration with IAQ products, humidifiers, or future heat pumps

Furnace FAQ

Why Trane furnaces?

We lead with Trane modulating and variable-speed furnaces because they stay quiet, match load in real time, and come with strong parts support. They are a natural fit for Boulder County homes.

How long does an install take?

Most furnace swaps take one day. If we are replacing flues, moving duct trunks, or running new gas/electrical we will map that out in advance, but typical installs finish within a single day.

What is the price range?

Furnace installs in Boulder County typically land between $6,000 and $12,000. The exact number depends on capacity, duct transitions, venting, gas piping, and control upgrades.

Do you offer maintenance or repairs?

Yes. We tune, commission, and service all the furnaces we install, and we can diagnose most other systems as well. Annual maintenance keeps warranties healthy and airflow dialed in.