A Carrier Performance 80 gas furnace typically costs $3,500-$6,500 installed, with a common midrange quote near $4,800 for a standard replacement. Price depends on furnace capacity, venting and duct changes, local labor, and whether the job includes removal or other equipment.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Installed furnace replacement | $3,500 | $4,800 | $6,500 | Existing ducts and vent usable |
| Furnace equipment only | $1,500 | $2,200 | $3,000 | Before installation and delivery |
| Installation labor | $1,000 | $1,700 | $2,600 | Removal and standard hookup included |
| Vent or duct changes | $200 | $700 | $1,800 | Varies with access and scope |
What a Carrier Performance 80 furnace costs installed
For a like-for-like replacement, homeowners commonly pay $3,500-$6,500 for a Carrier Performance 80 gas furnace, including standard labor and removal of the old unit. A straightforward installation in a lower-cost market may land near $3,500-$4,300; difficult access, code updates, or a larger furnace can push the quote above $6,000.
A reasonable planning average is about $4,800 for the furnace and standard replacement work. This estimate assumes an 80% AFUE unit, existing ductwork in usable condition, standard natural-gas service, and no major electrical or vent redesign. Assumptions: U.S. midrange labor rates, standard materials, normal access.
The equipment alone often runs $1,500-$3,000, depending on model, capacity, distributor pricing, and included controls. Installed quotes may also include a thermostat, startup testing, permit handling, and a limited labor warranty; buyers should check the written scope rather than compare only the equipment price.
How equipment, labor, and venting shape the quote
Furnace installation is more than the price of the cabinet. The table shows typical line-item ranges for a standard residential replacement; upgrades and regional rates can move totals outside them.
| Quote item | Typical range | Pricing basis | What it covers |
|---|---|---|---|
| Carrier furnace | $1,500-$3,000 | Per unit | 80% AFUE furnace, size and model dependent |
| Installation labor | $1,000-$2,600 | $75-$150 per hour | Removal, setting, connection, and startup |
| Venting and fittings | $150-$700 | Per job | Standard flue connection and small adjustments |
| Permit and inspection | $50-$300 | Per permit | Local filing and inspection where required |
| Disposal and delivery | $100-$400 | Per job | Old equipment haul-away and delivery |
Ask for separate equipment, labor, permit, and modification prices. gives a useful labor cross-check: a 10-14 hour crew job at $75-$150 per labor hour can represent roughly $750-$2,100 before other charges.
Which BTU size and vent route change the final price
Capacity is commonly selected from a heating-load calculation, not simply the size of the old furnace. Residential models may span roughly 40,000-120,000 BTU input, and a higher-capacity model can cost $200-$700 more than a smaller unit. Oversizing can also cause cycling and comfort problems, so a quote should explain the sizing basis.
An 80% AFUE furnace generally uses a conventional vent route rather than the PVC exhaust arrangement typical of high-efficiency condensing models. If a replacement requires a new chimney liner, expect about $800-$2,500; small vent adjustments may be under $700. Duct transitions or return-air changes can add $300-$1,500, especially when the old cabinet dimensions differ.
Capacity and vent condition are two of the most consequential job-specific price variables. Electrical corrections, gas piping changes, asbestos precautions, or cramped attic and crawlspace access may add further charges; each should be described as a specific task in the estimate.
How long replacement takes and what labor includes
A standard swap often takes a two-person crew about 6-10 hours. A replacement involving a chimney liner, duct modifications, difficult removal, or code corrections may take 1-2 days. Labor commonly totals $1,000-$2,600, but contractors may quote a fixed installation charge rather than an hourly bill.
The labor price should include removal, connections, startup, and safety checks. Confirm that the crew will test gas pressure, verify airflow, check the vent and condensate or drain connections as applicable, and document the furnace’s operation. Ask whether overtime, a second trip, or inspection corrections are billed separately.
When repairs cost less than replacing an 80% furnace
For a working furnace with a single failed component, many repairs cost $150-$900, including diagnosis and labor. Common examples include an igniter at $200-$500, a flame sensor at $150-$350, or a blower motor at $500-$1,200. A heat exchanger replacement can exceed $1,500 and may be impractical on an older unit.
Repair is usually the lower immediate expense when the furnace is sound and the repair is modest. Replacement becomes more worth comparing when the unit is near or beyond 15-20 years old, has repeated failures, or has a major safety-related problem. A diagnostic visit commonly costs $75-$200, sometimes credited toward approved work.
Why Carrier 80 furnace quotes differ by region
Labor and permitting create meaningful geographic differences. Large metro areas and high-cost coastal markets may quote about 10%-25% above the national midrange, while some rural and lower-cost markets may come in 5%-15% below it. Local climate, contractor demand, travel distance, and code requirements affect the final figure.
Compare at least two detailed quotes from contractors serving the same area. A lower bid may exclude permits, disposal, vent work, or startup testing, so compare identical scopes and warranty terms before treating the price gap as savings.
Which add-ons raise a furnace replacement bill
Common extras include a new thermostat for $150-$600 installed, duct sealing or balancing for $300-$1,500, and a chimney liner for $800-$2,500 when the existing liner is unsuitable. Gas-line changes can add $250-$1,000, while electrical repairs may cost $150-$600. Prices depend on access, code, and the amount of work.
Separate required safety or code work from optional comfort upgrades. A contractor should identify the reason for each add-on and state whether it is necessary to operate the furnace or simply an elective improvement. Permits often cost $50-$300, but local rules and inspection fees vary.
How to trim a Carrier Performance 80 installation estimate
Keep the existing thermostat, gas connection, and ductwork when they are compatible and safe; avoid paying for replacements without a documented need. Schedule before peak cold-weather demand if possible, and ask whether flexible timing changes the labor charge. Bundling furnace work with planned duct repairs may reduce repeat labor or trip fees.
Compare the same furnace capacity, removal, permit, venting, startup, and warranty scope across bids. Do not choose solely by the lowest total: a written explanation of the equipment model, included labor, and exclusions helps reveal whether a quote is complete. Avoid upgrades that do not solve a specific comfort, safety, or operating issue.