Furnace Installation Cost in San Francisco, CA
Carrier 5-Ton 18 SEER

The average cost of furnace installation in San Francisco, CA with a Carrier 5.0-ton 18 SEER system is $4,360, with most homeowners paying between $4,080 and $4,630 depending on home conditions, permit fees, and labor availability. The Carrier 5.0-ton unit is a trusted mid-range system balancing cost, efficiency, and durability, sized for homes with 2,100-2,700 sq ft of conditioned space. The 18 SEER rating places this unit well above the minimum efficiency standard, reducing annual energy costs significantly.

Cost Breakdown - San Francisco, CA

* Estimates based on San Francisco area labor rates ($136.68-$221.85/hr, BLS-sourced). Actual costs vary by home conditions and contractor. Get 3 quotes.

About Furnace Installation

Complete replacement or new installation of a gas or electric furnace including ductwork connections, venting, gas line, and thermostat. In San Francisco, CA, licensed HVAC contractors typically charge $137–$222 per hour for installation labor, with this job averaging 6 hours.

The equipment cost for the Carrier 5.0-ton 18 SEER system represents approximately $2,700 of your total. Installation labor in San Francisco adds $1,080, with permit fees, refrigerant, and disposal bringing the full estimate to $4,360. Prices in CA vary by contractor — always collect 3 quotes before scheduling a major HVAC installation.

Signs You Need Furnace Installation

Consider scheduling furnace installation in San Francisco, CA if you notice furnace over 15-20 years old or frequent costly repairs or uneven heating room to room. Early action prevents the costly emergency service premiums common in the West region during peak seasons.

• -Furnace over 15-20 years old
• -Frequent costly repairs
• -Uneven heating room to room
• -Rising heating bills despite mild weather
• -Yellow or flickering burner flame

What's Included

• -Remove and haul away old furnace
• -Install new furnace unit
• -Connect to existing ductwork
• -Gas line or electrical connections
• -Flue and venting installation
• -Thermostat setup and testing

Hiring an HVAC Contractor in San Francisco

• 1.Verify the contractor holds a current CA HVAC license and carries liability insurance.
• 2.Request an itemized quote that separates equipment, labor, and permit costs.
• 3.Ask specifically about Carrier dealer status — authorized dealers in San Francisco, CA often offer extended warranties.
• 4.Confirm the quote includes refrigerant, line set, and startup commissioning — not just the equipment.
• 5.Check for manufacturer rebates and utility company incentives before signing.

Frequently Asked Questions