Washington, DC / HVAC replacement
HVAC replacement cost in Washington, DC
Average $7,500; common $5,000–$12,500; up to $22,000 with new ductwork. Central AC $3,900–$7,900; gas furnace $3,800–$10,000; heat pump $4,200–$7,600; labor about $1,500.
Labor for HVAC replacement in Washington, DC is indexed to the BLS construction-and-extraction occupations mean hourly wage for Washington-Arlington-Alexandria, DC-VA-MD-WV of $32.76 (May 2025), applied to the 30% labor share.
Department of Buildings (DOB) is the issuing office. The typical permit fee recorded from DC DOB Building Permit Fee Schedule; Instant Permits, retrieved 2026-09-01, is $51. Fee model: flat.
The national typical for this job is $7,500. Materials stay at the national figure while labor is wage-indexed for Washington, DC.
Typical all-in
$7,648
Job cost plus the recorded local permit fee at this size.
- Low
- $5,116
- Typical
- $7,648
- High
- $22,694
Breakdown
| Labor (allocated) | $2,279 |
|---|---|
| Materials (allocated) | $5,318 |
| Job subtotal | $7,597 |
| Permit | $51 |
| All-in typical | $7,648 |
Labor is adjusted for construction wages in this metro. Materials stay at the national figure. This is an estimate, not a contractor quote.
Permit fee
- Fee model
- Flat fee
- Typical fee
- $51
- Range
- $51 – $408
- Retrieved
- 2026-09-01
- Instant Mechanical up to 10 ton (base $46 + 10%) — $51Included as typical.
- Building Instant single-system ductwork ($33+10%) — $36Not in typical.
- Electrical central AC ≤5T ($65+10%) — $72Not in typical.
- Alteration path at $16,000 including green — $408High if Instant ineligible.
Typical $46×1.10=$50.60. High at $16,000: (30+320)×1.10=385; green 20.80×1.10=22.88; total 407.88.
Replacement HVAC requires a permit. Typical one unit ≤10 tons is Instant Mechanical $50.60, not 2% of contract. High is the alteration path at $16k if Instant does not apply. Trades can stack.
Citations
- How Much Does HVAC Replacement Cost? [2026 Data] Retrieved Aug 12, 2026. Average $7,500; $5,000–$22,000; labor about $1,500; national permit range $50–$500 (not city-specific).
- DC DOB Building Permit Fee Schedule; Instant Permits Retrieved Aug 31, 2026. Replacement HVAC requires a permit. Typical one unit ≤10 tons is Instant Mechanical $50.60, not 2% of contract. High is the alteration path at $16k if Instant does not apply. Trades can stack.
- BLS OEWS construction wages — Washington-Arlington-Alexandria, DC-VA-MD-WV BLS OEWS construction-and-extraction mean hourly wage / national same vintage, applied to laborShare only. Not a city-specific bid survey.