Your price by furnace size
Furnace replacement, installed. Prices valid through Dec. 31, 2026.
| Furnace size | 80% AFUEStandard efficiency | 90%+ AFUEReplacing a high-efficiency furnace |
|---|---|---|
| 40k BTU | $4,995 | — |
| 60k BTU | $5,175 | $5,995 |
| 80k BTU | $5,270 | $6,380 |
| 100k BTU | $5,305 | $6,785 |
| 120k BTU | — | $6,980 |
We confirm the size and type on our walkthrough, before any work begins. Your price changes only if your home needs something from the "not included" list, and you'll see that in writing first.
Included
Every job, in the price above.
- New furnace
80% or 90%+ efficiency, sized for your home - Old furnace removal & disposal
Hauled away and disposed of properly - New gas flex line & gas piping
From your existing shutoff valve to the furnace - New furnace filter
Installed at start-up - Hooked up to existing ductwork
Including minor sheet-metal transitions - A/C coil removed & reinstalled
Unless it's unusually labor-intensive - Thermostat & power reconnected
When the existing wiring meets code - Permit & inspection
Permit fee and city inspection covered - Start-up & safety testing
Gas pressure, combustion and CO readings - Warranty registration
Manufacturer 10-year parts warranty (12 on Midea), plus a 2-year labor warranty - Clean-up
Work area left as clean as we found it
Not included
Quoted separately, only if your home needs it.
- New filter box / filter rack
If yours is damaged or won't fit the new unit - New plenum
Supply or return, if the existing one won't work - Coil cabinet adapter
When the A/C coil and new furnace widths differ - New thermostat
Your current one stays if it's compatible - Converting 80% to high-efficiency
New PVC venting and a condensate drain - Code corrections
For conditions already in your home: exhaust flue, vent pipe or chimney liner; combustion air intake; carbon monoxide alarms (Colorado law); electrical work needed to meet code - Ductwork changes & duct cleaning
Anything beyond connecting the new furnace - Attic & crawlspace installs
An additional surcharge applies - Asbestos or hazardous materials
Testing & removal by a licensed company
Will my price change? Only if your home needs something from the "not included" list, and you'll see it in writing before any work starts.
What we check
Your technician walks through each of these with you. Any one can change the price, and you'll see it before we start.
- Your current furnace Type, size and efficiency.
Why: Confirms a like-for-like swap and which price applies. - Venting & chimney Condition, size and code compliance of the flue.
Why: A damaged or undersized vent has to be corrected. - Air conditioner coil Whether a coil sits on the furnace, and its width.
Why: Lifting it off and back on is usually included; a width mismatch needs an adapter. - Gas supply The shutoff valve and the pipe leading to it.
Why: Our work starts at the valve; issues before it are separate. - Ductwork & filter Plenum, return and filter rack.
Why: The new unit needs a solid, sealed connection. - Combustion air How the furnace gets the air it burns.
Why: Too little air is a safety issue; code may require an intake. - Electrical & access Power, a service switch at the unit, and where the furnace sits.
Why: Code requires a shutoff in sight; attics and crawlspaces carry a surcharge. - CO alarms & thermostat Alarms within 15 ft of each bedroom; thermostat compatibility.
Why: The city inspector checks for CO alarms.
Our promise to you
- You get a written, line-by-line price before any work starts.
- Nothing is added without your approval and signature.
- If we miss something we should have caught during the consultation, we cover that cost, not you.
- If an issue turns up after we start that couldn't be seen before taking the system apart, we stop, show you, and give you options.
Questions at any point? Ask. That's what this page is for. Furnaces are only part of what we do; see heating options or our price match.