Lennox AC and Furnace Combo Cost: Price Guide 2026

The typical cost for a Lennox air conditioner and furnace combo in the United States ranges from about $5,000 to $11,000 installed, depending on system size, efficiency, and installation specifics. Key cost drivers include SEER rating, furnace AFUE, ductwork needs, and local labor rates. Price transparency helps buyers evaluate options and set a realistic budget.

Item	Low	Average	High	Notes
Equipment Bundle	$3,000	$6,000	$9,500	Furnace + AC condenser + air handler
Installation	$1,000	$2,500	$4,000	Labor and cleanup
Ductwork / Modifications	$500	$2,000	$4,000	New runs or sealing
Permits & Codes	$50	$300	$1,000	Local requirements
Delivery / Disposal	$100	$400	$1,000	Old unit removal if applicable

Overview Of Costs

Combined price range for a Lennox AC and furnace package installed typically falls between $5,000 and $11,000 in the U.S. The per-unit breakdown often shows $2,000–$4,500 for the furnace and $2,500–$5,500 for the air conditioner, with variations driven by efficiency and tonnage. Assumptions: region, system size, SEER, AFUE, and existing ductwork.

Cost Breakdown

The following table outlines major cost components with typical ranges and what they cover. Understanding each part helps compare quotes.

Component	Low	Average	High	Notes
Materials	$2,000	$4,000	$7,000	Furnace, condenser, coils, refrigerant lines
Labor	$1,000	$2,300	$3,500	Installation, wiring, testing
Equipment	$0	$0	$0	Included in materials if bundled
Permits	$50	$250	$1,000	Code compliance
Delivery / Disposal	$50	$200	$800	Old unit removal often bundled
Warranty & Coverage	$0	$150	$500	Extended options available

What Drives Price

Key price drivers include system efficiency (SEER for AC and AFUE for furnace), cooling capacity in tons, and installation complexity. Higher SEER/AFUE and larger homes typically raise costs due to equipment and ductwork needs. The Lennox brand offers premium models with enhanced features that add to the price but can lower operating costs over time. Assumptions: single-zone, standard ductwork, typical attic access.

Factors That Affect Price

Regional labor rates, home accessibility, existing duct health, and refrigerant requirements influence final bids. Regional variation matters for both price and lead times.

Ways To Save

Potential savings come from choosing mid-range efficiency, bundling installation services, and negotiating with installers for price matches or preferred financing. Get multiple quotes to compare total installed costs and warranty terms. Assumptions: no major structural changes.

Regional Price Differences

Prices vary by region, with notable differences between urban, suburban, and rural areas. Urban areas often see higher installation labor costs due to higher demand, while rural regions may have lower crew rates but longer travel times. Assumptions: similar system specs across regions.

Labor, Hours & Rates

Typical installation crews range from 2–4 technicians for a full Lennox combo, taking 6–14 hours depending on ductwork and access. Labor hours multiply with complexity. data-formula=”labor_hours × hourly_rate”>

Additional & Hidden Costs

Surprises can include refrigerant charges beyond standard setups, attic or crawlspace access needs, or upgraded duct materials. Scope creep is a common cost risk.

Real-World Pricing Examples

Three scenario cards illustrate practical quotes for the Lennox AC and furnace combo. Prices vary by tonnage and efficiency.

• Basic scenario — 3-ton, 14 SEER condenser, mid-range furnace, standard ductwork; labor 8 hours.
  Typical total: $5,000-$7,000 — materials: $3,000; installation: $2,000; permits: $150.
• Mid-Range scenario — 4-ton, 16 SEER, higher AFUE furnace, modest duct upgrades; labor 10–12 hours.
  Typical total: $7,500-$9,500 — materials: $4,500; installation: $3,000; ductwork: $1,000.
• Premium scenario — 4.5-ton, 18 SEER, premium furnace, extensive duct enhancements, smart thermostats.
  Typical total: $10,000-$11,500 — materials: $6,000; installation: $3,200; upgrades: $2,000.