Home Depot furnace installation cost usually falls between $3,800 and $10,000 for a standard gas furnace replacement, with many straightforward projects near $6,500. The final quote depends on furnace size and efficiency, local labor, duct or vent changes, and whether the existing equipment can be removed without extra work.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Installed gas furnace | $3,800 | $6,500 | $10,000 | Standard replacement, equipment and installation |
| Furnace equipment | $1,200 | $2,800 | $5,000 | Price varies by capacity and AFUE rating |
| Installation labor | $1,000 | $2,000 | $3,500 | More for difficult access or system changes |
| Typical installed rate | $40 | $65 | $100 | Approximate cost per 1,000 BTU of input capacity |
What a Home Depot furnace replacement usually costs
For a like-for-like replacement in a home with usable ductwork, a basic 80% AFUE gas furnace often totals $3,800-$6,500. A higher-efficiency model, commonly 92%-96% AFUE, may bring the installed quote to $5,500-$10,000. These are planning ranges, not a guaranteed Home Depot price: installation is generally arranged through local HVAC providers, and the written quote determines what is included.
A typical estimate assumes a 60,000- to 100,000-BTU furnace, standard access, existing gas and electrical connections, and no major duct repairs. Assumptions: U.S. mid-market labor, standard gas furnace, ordinary replacement access, and no substantial code upgrades. A site assessment and itemized written quote are needed to confirm the actual total.
How equipment, labor, and removal shape the quote
Furnace installation includes more than the appliance itself. The table shows common portions of a residential replacement quote; line items may be bundled, so buyers should compare the complete scope rather than only the equipment price.
| Quote component | Typical range | What changes the charge |
|---|---|---|
| Furnace equipment | $1,200-$5,000 | Capacity, brand, blower type, and efficiency |
| Labor and startup | $1,000-$3,500 | Removal, connections, testing, and access |
| Venting or plenum work | $250-$1,500 | Venting material, condensate routing, or transitions |
| Removal and disposal | $100-$500 | Haul-away, stairs, and local disposal charges |
| Permit and inspection | $50-$500 | Municipal requirements and project scope |
Labor commonly represents a substantial share of the total because installers disconnect, remove, set, connect, and test the system. For planning, a two-person crew working 6-10 hours at an equivalent $75-$150 per technician-hour can account for roughly $900-$3,000 before other charges. Ask whether haul-away, startup, thermostat work, and permit handling are included.
Why BTU capacity and AFUE ratings change furnace prices
Capacity should match the home’s heating load, not simply the size of the old unit. A 40,000- to 60,000-BTU furnace may suit a smaller, well-insulated home, while a larger or leakier home can require 80,000-120,000 BTU. Moving up a capacity range can add about $300-$1,000 for equipment, but oversizing can cause short cycling and uneven comfort.
Efficiency and venting also affect price. An 80% AFUE model may use existing metal venting, while a 92%-96% condensing furnace typically needs PVC exhaust and a condensate drain. Those changes can add $300-$1,500, especially when the drain or vent route is long. Confirm that the quote includes a load calculation and all required venting changes.
How long installation takes and what labor covers
A straightforward furnace swap often takes 6-10 hours, usually with a two-person crew. Reworking venting, moving the furnace, correcting gas piping, or repairing the plenum may extend the job to 1-2 days. Labor rates and contractor availability vary, and a replacement scheduled during a cold-weather emergency can be harder to arrange promptly.
The work should include safe disconnection, equipment placement, gas and electrical connections, venting, condensate handling where applicable, startup, and combustion or operating checks. Ask for the crew’s expected arrival window and whether the home will have heat restored the same day.
Regional furnace installation prices from city to rural areas
Quotes can run about 10%-25% above national mid-market ranges in high-cost metros and roughly 5%-15% below them in some lower-cost markets. Dense urban neighborhoods may add labor or access charges for parking, stairs, and tight mechanical rooms. Rural addresses can cost more when a contractor must travel farther or source equipment from a distant supplier.
Climate and local codes can affect equipment selection as well. Colder regions may call for higher capacity, while permit rules and venting requirements vary by jurisdiction. These differences mean that a $6,500 estimate in one market is not a reliable comparison for another. Compare local quotes for the same capacity, efficiency, removal, and permit scope.
Three replacement quotes for different furnace setups
| Example | Scope | Estimated total |
|---|---|---|
| Basic swap | 60,000 BTU, 80% AFUE, 8 labor hours, existing vent | $4,200-$5,800 |
| Common mid-range job | 80,000 BTU, 96% AFUE, 10 labor hours, new PVC vent | $6,000-$8,500 |
| Complex upgrade | 100,000 BTU, 96% AFUE, 14 labor hours, vent and plenum work | $8,000-$11,500 |
These examples illustrate how scope changes the bill; they are not official Home Depot package prices. A quote can land outside the ranges if the home needs substantial duct, electrical, gas-line, or code work. Check that equipment model numbers and labor assumptions match before comparing totals.
Permit, haul-away, and venting charges to check
Some localities require a mechanical permit and inspection for furnace replacement, often costing $50-$500. Ask who obtains the permit and whether the fee is included. Removal may be included in a package or listed separately at $100-$500. Condensing models may require condensate piping, a neutralizer, or a new drain route, adding approximately $100-$600.
Other possible charges include a thermostat at $100-$500 installed, duct repairs at $200-$1,500, or gas-line adjustments at $150-$800. These are not automatic add-ons; they depend on the property and local code. Request written approval before any unpriced work begins.
Ways to lower the furnace installation bill
Keep the project to a safe, correctly sized replacement when the existing ductwork and venting are sound. Avoid choosing a higher AFUE rating solely for its label; compare the equipment premium with expected fuel savings and any added venting expense. A correctly sized standard model may cost less overall than an unnecessary capacity upgrade.
Get at least three itemized local quotes, including the Home Depot-arranged estimate if available, and compare the same model or equivalent specifications, permit, removal, warranty, and startup work. Scheduling before a heating failure can provide more time to compare appointments and avoid urgent service charges. Clarify scope and exclusions first, since a low headline price may omit required work.