How Much Does a Furnace Installation Really Cost?
A new furnace installation will run you $2,978 to $4,705 nationally, with most homeowners landing between $3,221 and $3,828. That's the total price for a standard swap-out—furnace, labor, and all the little stuff that adds up.
But here's the thing: that range is wide for a reason. Your final number depends on where you live, how big your house is, what brand you pick, and whether you're just replacing the furnace or tackling the whole HVAC system at once.
What's Included in That Price?
When you pay for a furnace installation, you're not just buying the metal box. Here's how the typical job breaks down:
- Furnace cost: $1,546–$1,805
- Labor (basic install): $1,210–$1,467
- Job supplies: $202–$230
- Equipment allowance: $48–$71
- Removing the old unit: $124–$150
- Debris disposal: $91–$104
That labor figure is for a straightforward replacement—same location, same ductwork, same fuel type. If you're switching from an 80% to a 96% efficient furnace, you'll need new PVC venting, which adds to labor and materials. That's a common scenario in colder states like Michigan, where homeowners report paying around $5,000 for that exact upgrade.
How Your City Changes the Price
Location isn't just about weather. It's about local labor rates, permit fees, and how competitive the market is. Here's what the data shows for 20 major metros:
| City | Typical Range |
|---|---|
| New York, NY | $3,949 – $4,705 |
| San Jose, CA | $3,787 – $4,510 |
| San Francisco, CA | $3,787 – $4,510 |
| Seattle, WA | $3,706 – $4,413 |
| Chicago, IL | $3,625 – $4,315 |
| Boston, MA | $3,625 – $4,315 |
| Los Angeles, CA | $3,544 – $4,218 |
| Philadelphia, PA | $3,464 – $4,120 |
| San Diego, CA | $3,464 – $4,120 |
| Minneapolis, MN | $3,464 – $4,120 |
| Columbus, OH | $3,172 – $3,770 |
| Phoenix, AZ | $3,140 – $3,731 |
| Denver, CO | $3,140 – $3,731 |
| Atlanta, GA | $3,059 – $3,633 |
| Houston, TX | $3,027 – $3,594 |
| Dallas, TX | $3,027 – $3,594 |
| Jacksonville, FL | $3,011 – $3,575 |
| Miami, FL | $3,011 – $3,575 |
| San Antonio, TX | $2,995 – $3,555 |
| Austin, TX | $2,978 – $3,536 |
Notice the spread: a furnace in Manhattan costs roughly $1,000 more than one in Austin. That's not a markup—it's the cost of doing business in a high-rent, high-wage city.
What Homeowners Actually Pay (and the Gotchas)
Real people are paying between $3,700 and $8,000 for a furnace-only install, depending on the house and the bells and whistles. But the stories you hear on Reddit reveal a few traps.
One homeowner in Colorado with a 4,000-square-foot house got quoted $33,000 for a furnace, condenser, air scrubber, and humidifier. That's not a furnace job—that's a whole-house mechanical overhaul. The crowd told him to get three bids and have someone run fresh sizing calculations. Good advice.
Another in the Bay Area was quoted $24,000 for a Carrier furnace and AC replacement on a 2,750-square-foot home. The consensus from HVAC pros: that's high. Smaller companies that don't use commission-based salespeople tend to come in lower. And several commenters pointed out that if you're replacing both at once, a heat pump makes more sense—especially with the tax credits available.
Then there's the guy in Michigan who paid $5,000 to go from an 80% to a 96% efficient Goodman. That's a fair price, according to the pros, because the new PVC venting adds work. One tech even suggested sticking with an 80% unit if you're not planning to stay long—they're cheaper to install and historically last longer.
And a Milwaukee homeowner with a 1,000-square-foot house got a $16,000 quote for furnace and AC. That's nearly double what others in that area report. Multiple commenters said $6,000–$12,000 is more typical for a combined replacement.
How to Get a Fair Quote
- Get three bids. This isn't a cliché. Every overpriced quote story starts with "I only got one estimate."
- Ask about the brand and efficiency. A Carrier or Trane will cost more than a Goodman. A 96% furnace costs more upfront than an 80% one.
- Don't fall for the "whole home" upsell. Air scrubbers, humidifiers, and UV lights are optional. You can add them later.
- Consider a heat pump. If you're replacing both furnace and AC, a heat pump covers both jobs and qualifies for federal tax credits.
- Check the labor warranty. Some companies offer 10 years on parts but only 1 year on labor. That's a red flag.
Frequently Asked Questions
How much does it cost to replace a furnace for a 1,500-square-foot house? Expect to pay in the low to mid $3,000s for a standard efficiency furnace. A 60,000–80,000 BTU unit is typical for that size.
What about a 3,000-square-foot home? You'll need a larger furnace—probably 80,000–100,000 BTU—and the cost jumps to $3,500–$4,500, depending on your region.
How much is labor to install a furnace? Labor alone runs $1,210–$1,467 for a basic swap-out. That includes connecting gas, electrical, and ductwork, plus testing.
What does a Carrier furnace installation cost? Carrier is a premium brand. Expect to pay on the higher end of the ranges above—$3,500–$4,500 for the furnace and install combined.
Is $5,000 for a furnace installation reasonable? Yes, for a high-efficiency unit in a cold climate with new venting. That's right in line with what homeowners in Michigan and the Midwest report.
How can I estimate the cost near me? Start with the city table above. Then get three quotes from local contractors—not national chains or "reputable" companies that use commissioned sales reps.
These are reference ranges based on national and metro-level data. Your actual cost depends on your home, your furnace choice, and your local market. Always get multiple quotes before signing anything.