Massachusetts pricing

Furnace Replacement Cost Calculator — Massachusetts

Estimate what a furnace replacement should cost by output, efficiency and venting work. Every figure below is already adjusted for Massachusetts labor and material pricing.

Verified August 2026

Does furnace replacement cost cost more in Massachusetts?

+26% versus the national baseline

The statewide Stretch Energy Code and municipal Specialized Code push electrification and envelope requirements well beyond the national baseline. Permit fees here run about 20% off the national average, and Homeowner permits allowed on owner-occupied one- and two-family homes

Estimated installed cost

$5,893 – $8,371

Furnace and labor
$6,048
Venting work
$0
Removal and permit
$649

Estimates only. Local pricing, site conditions and code requirements change the real number.

What changes the number in Massachusetts

Local cost indexAbove the national baseline1.26x national
Permit fee index1.20x national
Code basisStatewide code appliesMassachusetts State Building Code (780 CMR), based on the IRC
Owner-builder postureHomeowner permits allowed on owner-occupied one- and two-family homes
Largest marketsBoston, Worcester, Springfield, Cambridge

The formula

Cost = base unit cost x efficiency multiplier + venting + removal + permit

High-efficiency condensing furnaces (90%+ AFUE) need new PVC venting and a condensate drain, which is why the jump from 80% to 96% AFUE costs more than the equipment difference alone.

Frequently asked questions

How much is a new furnace installed?

Most homeowners pay $4,000 to $8,500 for a replacement gas furnace in 2026. Electric furnaces are cheaper to install but cost far more to run.

How long does a furnace last?

15 to 20 years for a gas furnace with annual service. Past year 15, repairs over about $1,500 usually favor replacement.

Sources

Sources & verification

Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.