Furnace Replacement Costs for Construction Professionals

The Real Price of Warmth: Furnace Replacement Costs for Professionals

In the construction trade, understanding the cost to replace furnace equipment is crucial for accurate project planning. Current estimates for a complete furnace replacement in a 1,800 ft² single-family home range from $4,600 to $10,200. This range depends on factors such as equipment choice, installation complexity, and regional code requirements.

Average Furnace Replacement Cost in Residential Construction

Based on recent data, the cost of replacing a furnace varies significantly. Here are some key factors:

System capacity: A 40,000 BTU gas unit costs less than a 120,000 BTU model.
Efficiency rating: High-efficiency models can add 15-30% to equipment costs.
Fuel source: Gas, electric, and oil furnaces have different price curves.
Ductwork condition: Resizing or sealing ducts can add $1,200-$3,500.
Code & permit fees: Vary by county.
Labor market: Seasonal demand affects hourly rates.

Breaking Down the Line Items

Equipment

Standard 80% AFUE gas furnace: $1,100-$1,900
High-efficiency 96% AFUE furnace: $2,000-$3,600
Variable-speed blower upgrade: $350-$600

Installation Materials

Sheet-metal plenums: $180-$450
PVC venting: $120-$400
Gas line modifications: $90-$250
Electrical whip: $75-$160

Labor

Removal of existing furnace: 2-3 hours @ $70-$100/hr
Placement and leveling: 4-6 hours @ $70-$100/hr
Commissioning: 1-2 hours @ $70-$100/hr

CountBricks AI vs. Manual Estimating

CountBricks streamlines the estimating process with real-time voice capture, live material feeds, and automatic blueprint takeoffs, ensuring accurate and efficient project planning.

Step-by-Step Furnace Replacement with CountBricks

1. Open CountBricks app and start voice session.
2. State existing furnace details.
3. Scan mechanical room.
4. Select efficiency rating.
5. Review dynamic estimate.
6. Email proposal.
7. Convert quote into invoice.

Savings Opportunities for Professionals

Off-season installs can reduce labor costs by 8-12%.
Utility rebates for high-efficiency models.
Bundling AC replacement with furnace saves on labor.
Smart thermostat credits.

Common Pitfalls and How CountBricks Prevents Them

Undersized returns: AI checks duct loads.
Hidden asbestos ducts: Flagged during scan.
Missing combustion air: Code libraries add make-up air lines.
Overlooking permit lead time: Linked to municipal calendars.

Case Snapshot: Smith Family Furnace Swap

The Smiths' furnace replacement was completed efficiently using CountBricks, resulting in a fixed-price quote of $7,850 with no surprises.

Ready to Nail Your Numbers?

For construction professionals, CountBricks offers precise data for furnace replacement projects. Visit CountBricks.com for more information.

Our AI app can generate costed estimates in seconds.

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