Homeowners typically pay a total installed price for a gas furnace and air conditioner combo that includes the furnace, the air conditioner, and the required installation work. Main cost drivers include equipment efficiency, system size in tons, ductwork needs, and regional labor rates. The price ranges below reflect common configurations and standard labor assumptions in the United States.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Equipment | $3,000 | $5,000 | $9,000 | Gas furnace AFUE 80–96% plus 1.5–2.5 ton AC unit |
| Installation Labor | $2,000 | $4,000 | $7,000 | Includes removal of old equipment, gas line checks, and wiring |
| Ductwork / Airflow Work | $500 | $2,500 | $6,000 | New ducts or modifications for efficiency |
| Permits & Codes | $100 | $500 | $2,000 | Depends on locality |
| Delivery / Disposal | $50 | $250 | $1,000 | Equipment delivery and old unit disposal |
| Warranty / Optional Add-Ons | $0 | $400 | $1,500 | Extended warranty or tune ups |
Overview Of Costs
Total project ranges depend on system size and efficiency. For a typical 2–3 ton gas furnace plus 1.5–2 ton air conditioner, installed price commonly falls in the $6,000–$12,000 band. Smaller, basic setups may dip toward the low end, while high efficiency equipment with advanced zoning or smart thermostats can push prices higher. A per unit view shows furnace costs around $1,500–$4,500 per unit and AC costs around $2,000–$6,000 per unit installed. Assumptions: region, specs, labor hours.
Cost Breakdown
| Category | Low | Average | High | Details | Assumptions |
|---|---|---|---|---|---|
| Materials | $3,000 | $5,000 | $9,000 | Furnace and AC unit prices | AFUE 80–96%, SEER 14–22 |
| Labor | $2,000 | $4,000 | $7,000 | Installation crew hours | 2–3 technicians, 1–2 days |
| Equipment | $0 | $0 | $0 | Included in Materials | |
| Permits | $100 | $500 | $2,000 | Local permit fees | Code compliance |
| Delivery/Disposal | $50 | $250 | $1,000 | Carrier and haul away | Old system removal |
| Warranty / Extras | $0 | $400 | $1,500 | Extended warranty, tune ups | Optional |
Pricing Variables
Price is affected by many factors beyond the basic equipment cost. System size and efficiency drive a large portion of the total, with gas furnaces ranging from 80 to 96 percent AFUE and AC units rated by SEER. Ductwork and installation complexity matter when existing ducts require resealing, cleaning, or replacement. Labor rates vary by region and season, with peak demand often increasing prices by 5–15 percent.
Regional Price Differences
Three distinct U S regions illustrate typical deltas in installed cost. In the Northeast and West Coast, higher labor costs and stricter codes often push totals toward the upper end of the range. The Midwest tends to sit near the average, while Rural or Southern markets may be closer to the low end. Deltas can be ±10–25 percent depending on local conditions, permits, and contractor availability.
Labor & Installation Time
Typical installation requires 1–2 days for a standard gas furnace and 1–2 ton AC pair. Labor cost sensitivity comes from crew size and electrical or gas line work complexity. Labor hours × hourly rate loosely estimates total labor spend, with rates commonly $70–$120 per hour for skilled HVAC techs depending on market and experience.
Additional & Hidden Costs
Hidden costs can appear with older homes where duct sealing, asbestos checks, or gas line upgrades are needed. Electrical panel upgrades, thermostat wiring, and refrigerant adjustments can add $200–$1,000 each. If a builder requires a permit or inspection that has a flat fee or a variable fee, the additional charges may influence the final invoice.
Real-World Pricing Examples
Below are three scenario cards to illustrate common configurations. Each scenario lists specs, expected hours, per-unit pricing, and a total estimate. Assumptions: standard attic access, no major renovations, region Midwest.
Basic scenario — 2 ton AC + 80 AFUE gas furnace, standard ductwork, base thermostat, no extras. Specs: furnace $2,000, AC $2,800, labor $2,000, permits $150. Total: $6,000. Per unit: furnace $1,000, AC $1,400, labor $1,000.
Mid-Range scenario — 2.5 ton AC + 95 AFUE gas furnace, improved ducts, programmable thermostat, optional humidifier. Specs: furnace $2,800, AC $3,600, labor $3,000, permits $350, delivery $150. Total: $10,000. Per unit: furnace $1,400, AC $1,800, labor $1,500.
Premium scenario — 3 ton AC + 96 AFUE gas furnace, high SEER 20 unit, zone control, advanced filter system, extended warranty. Specs: furnace $3,800, AC $5,500, labor $4,000, permits $500, duct enhancements $1,000, extras $1,200. Total: $16,000. Per unit: furnace $1,900, AC $2,750, labor $2,000.
Assumptions: region, specs, labor hours.