New Furnace and AC Cost: Price Ranges for U.S. Homes 2026
Homeowners typically pay for a combined furnace and central air installation with a broad range driven by system type, efficiency, and existing ductwork. The first price you’ll see usually mixes equipment, labor, and permits. This article breaks down the cost, offering low, average, and high estimates to help budget decisions.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Equipment cost (furnace + AC) | $3,800 | $6,800 | $9,500 | Gas furnace with AC condenser; SEER 14-16 typical |
| Installation labor | $1,200 | $2,800 | $4,500 | Standard single-house replacement |
| Permits and inspections | $100 | $375 | $900 | Local requirements vary by city |
| Ductwork adjustments | $200 | $1,200 | $3,000 | Based on existing network |
| Delivery/ disposal | $50 | $200 | $600 | Old unit removal and refrigerant handling |
| Warranty and misc. | $0 | $350 | $800 | Labor warranty often included |
Assumptions: Midwest labor rates, standard 3- to 4-ton systems, single-story home, typical ductwork, 14-16 SEER AC and 80-92 AFUE furnace.
Direct price components for furnace and AC installation
Equipment costs form the largest share of a combined furnace and AC project. Typical setups couple a gas furnace with an air conditioner condenser or a heat pump, with variations in efficiency and capacity driving price. For a standard 3-ton system, expect $4,000–$6,500 for equipment and $1,000–$2,500 for labor on a straightforward replacement.
| Component | Low | Average | High | Notes |
|---|---|---|---|---|
| Gas furnace AFUE 80-90% | $1,800 | $3,200 | $4,800 | Efficiency affects monthly fuel usage |
| AC condenser (2-3 ton) | $2,000 | $3,200 | $4,600 | SEER 14-16 typical |
| Heat pump combo (Ducted) | $4,500 | $7,000 | $10,000 | Includes outdoor unit and coil |
| Labor (installation) | $1,200 | $2,800 | $4,500 | Permits and hookups included in some markets |
Formula example: labor time × hourly rate = total labor cost.
How efficiency and size shape the final price
Higher SEER ratings and AFUE percentages raise equipment prices but reduce operating costs over time. A 92 AFUE furnace paired with a SEER 16 air conditioner can push up front by 15–25% versus aging 80 AFUE and SEER 14 units.
Size matters: mis-sizing leads to inefficient operation and extra costs. A properly sized system (commonly 2- to 5-ton ranges for single-family homes) improves comfort and reduces annual energy spend, though it adds upfront cost.
- Size range: 2.5–3.5 tons for typical 1,800–2,400 sq ft homes; 4–5 tons for larger layouts.
- Efficiency: AFUE 80–92%; SEER 14–16 as standard, SEER 18+ in premium builds.
Regional price differences you should expect
Prices vary by climate, duct condition, and local labor markets. Southern regions with milder winters can lean toward heat pumps, while colder regions favor gas furnaces with high AFUE ratings. Midwest and West Coast projects often show midrange pricing due to labor and permitting.
Regionally, total installed costs can swing by 10–25% from the national average. Expect higher quotes in dense urban areas and rural markets sometimes lower but with travel fees.
Labor dynamics and scheduling impact overall cost
Labor costs depend on crew size, permit complexity, and access to the installation site. A typical crew is 2–4 technicians over 1–2 days for a straightforward replacement.
- Labor range: $1,500–$3,000 for standard installs
- Time impact: 8–16 hours on-site depending on ductwork and refrigerant lines
Add-ons, permits, and disposal fees to budget for
Permits, refrigerant recovery, old equipment disposal, and duct cleaning add to the bottom line. Some contractors include these in a bundled price; others itemize separately.
Dispose and recover charges typically run $100–$500 depending on local rules.
Smart ways to cut furnace and AC costs without sacrificing safety
Focusing on scope control can trim price without compromising comfort. Consider replacing only the outdoor condenser if the indoor furnace is structurally sound, or choosing a 14 SEER unit instead of 16 SEER if long-term energy savings are modest for the climate.
- Keep existing ductwork if it’s in good condition.
- Choose standard 14 SEER AC with a mid-range furnace first; upgrade later if required.
- Bundle maintenance plans to reduce annual expenses and avoid recurring service fees.
Replacement scenarios: when ductwork justifies higher upfront costs
If existing ducts are leaky, undersized, or heavily restricted, upgrading or repairing ductwork can add $1,000–$4,000 but significantly improve efficiency and comfort.
In homes with older duct layouts, the payoff from better air delivery often justifies higher initial costs.
Helpful metrics to compare quotes
When reviewing bids, prioritize the combination of equipment efficiency, installed capacity, and included services. A lower price may reflect reduced warranty or omitted inspections, while a higher quote may include extended labor coverage and duct testing.
Conclusion-like takeaway: plan for total ownership cost, not just sticker price
Purchasing a new furnace and AC is a balance of upfront investment and long-term energy savings. By understanding the major drivers—system type, efficiency, region, and scope—you can compare quotes with confidence and avoid surprise charges when the job starts.