District of Columbia pricing
Furnace Replacement Cost Calculator — District of Columbia
Estimate what a furnace replacement should cost by output, efficiency and venting work. Every figure below is already adjusted for District of Columbia labor and material pricing.
Model reviewed August 2026
Does furnace replacement cost cost more in District of Columbia?
+24% versus the national baseline
Installed prices in District of Columbia run about 24% above the national baseline. Permit fees are about 22% higher than the national average. Homeowner permits allowed on owner-occupied property; licensed trades required for electrical, plumbing and gas.
A single citywide permitting authority reviews every project, and historic-district review covers a large share of the rowhouse stock — exterior work often needs design approval before a building permit is issued.
Compare with the national average furnace replacement cost calculator.
Estimated installed cost
$5,799 – $8,239
- Furnace and labor
- $5,952
- Venting work
- $0
- Removal and permit
- $639
Estimates only. Local pricing, site conditions and code requirements change the real number.
What changes the number in District of Columbia
| Local cost indexAbove the national baseline | 1.24x national |
|---|---|
| Permit fee index | 1.22x national |
| Code basisStatewide code applies | DC Construction Codes, based on the IRC with District amendments |
| Owner-builder posture | Homeowner permits allowed on owner-occupied property; licensed trades required for electrical, plumbing and gas |
| Largest markets | Washington |
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.
Covered markets in District of Columbia
City-level cost and permit pages with local building department links.
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
- DC Department of Buildings
- ENERGY STAR sizing and efficiency guidance
- ACCA Manual J / Manual S sizing standards
- AHRI equipment performance directory
- International Code Council (IRC/IBC)
Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.