Localized for 1,000+ U.S. cities — adjusted for local labor, climate & permits
City comparison

Furnace Replacement cost: Philadelphia vs San Diego (2026)

In 2026, furnace replacement is about 1% more expensive in Philadelphia than in San Diego. Most homeowners pay around $6,300 in Philadelphia versus $6,250 in San Diego — a gap of roughly $50.

Philadelphia PA

$4,500 $8,100

Typically around $6,300

San Diego CA

Lower cost
$4,450 $8,000

Typically around $6,250

furnace replacement runs about $50 (1%) more in Philadelphia than in San Diego, driven mostly by local labor rates.
Side by side

Philadelphia vs San Diego: full breakdown

FactorPhiladelphiaSan Diego
Typical 2026 cost$6,300$6,250
Estimated range$4,500–$8,100$4,450–$8,000
Labor index (vs US)×1.04×1.1
Climate zoneColdMixed
Climate factor×1.08×1
Local permit$225$250
Labor share$3,800$3,750
Materials/equipment$2,500$2,500

Localized 2026 planning estimates — not quotes. Each city adjusts the national furnace replacement range for local labor, climate and permits.

FAQ

Philadelphia vs San Diego

Is furnace replacement cheaper in Philadelphia or San Diego?

In 2026, furnace replacement is cheaper in San Diego at about $6,250, versus $6,300 in Philadelphia — a difference of about $50 (1%).

Why does furnace replacement cost more in Philadelphia than San Diego?

The main driver is local labor rates: Philadelphia's labor index is 1.04 versus 1.1 in San Diego. Climate zone (cold vs mixed) and permit fees also shift the total.

How much is furnace replacement in Philadelphia, PA?

In Philadelphia, furnace replacement typically runs $4,500–$8,100 in 2026, with most homeowners paying around $6,300.

Updated June 2026 · By Costadia Editorial