Cost to Furnace Replacement in San Francisco, CA

$3,875–$11,625 in San Francisco

55% above the national average · 1.55x cost multiplier

Expect to pay $3,875–$11,625 for a furnace replacement in San Francisco, about 55% above the national benchmark. The West Coast region's contractor market and material costs account for most of this difference. The detailed breakdown below shows how budget, mid-range, and premium projects compare at San Francisco prices.

Cost Breakdown in San Francisco

Line Item	Low	Mid	High
Cost per sq ft of home	$2	$4	$7
Materials	$2,170	$3,410	$6,200
Labor	$1,860	$2,635	$3,565
Permits	$310	$465	$620
Total	$4,340+55% vs. national avg	$6,975+55% vs. national avg	$11,625+55% vs. national avg

Budget

80% AFUE single-stage gas furnace, basic brand (Goodman or Amana), direct replacement with existing ductwork and venting

Mid-Range

90-95% AFUE two-stage gas furnace, mid-tier brand (Rheem, Trane, or Carrier), standard installation with smart thermostat

Premium

97-98% AFUE modulating variable-speed gas furnace, premium brand (Lennox or American Standard), with zoning controls and whole-house humidifier

Material Options

Material prices below are national averages; availability in San Francisco may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
Single-Stage Gas Furnace (80% AFUE)	$2,000 - $3,500 installed	Lowest upfront cost, simple and reliable, fewer parts to fail	Highest operating costs, louder operation, less even heating	Mild climates, budget-focused homeowners, homes with high ceilings or poor insulation where efficiency gains are minimalLowest upfront cost, simple and reliable, fewer parts to fail
Two-Stage Gas Furnace (90-96% AFUE)	$3,500 - $5,500 installed	Good balance of cost and efficiency, quieter on low stage, more even temperatures	Higher upfront cost, requires PVC venting	Most homeowners in cold climates, the sweet spot of cost vs. performanceGood balance of cost and efficiency, quieter on low stage, more even temperatures
Modulating Gas Furnace (97-98% AFUE)	$5,500 - $8,500 installed	Lowest operating costs, whisper-quiet, ultra-even heating, best humidity control	Highest upfront cost, more complex repairs, longer payback period	Cold climates with high heating bills, homeowners planning to stay 10+ yearsLowest operating costs, whisper-quiet, ultra-even heating, best humidity control
Oil Furnace (83-87% AFUE)	$3,000 - $6,000 installed	Produces very hot air, works in areas without natural gas	Higher fuel costs, requires oil storage tank, more maintenance	Rural areas without natural gas service, Northeast homes with existing oil infrastructureProduces very hot air, works in areas without natural gas
Electric Furnace	$1,500 - $3,500 installed	Lowest upfront cost, no combustion or venting, 100% efficient at point of use	Very high operating costs in most areas, slow to heat	Mild climates with low heating needs, areas with very cheap electricity, supplemental heatingLowest upfront cost, no combustion or venting, 100% efficient at point of use

Other Projects in San Francisco

Full Kitchen Remodel

Full Bathroom Remodel

Hardwood Floor Installation

Back to national average for Furnace Replacement

San Francisco Estimate

Typical Range

$3,875–$11,625

vs. National Average

55% above national

Cost Multiplier

1.55x

Cost Per sq ft of home

$2–$7

Estimates apply San Francisco's 1.55x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →