Vetted hvac providers across 1 Washington D.C. city. Each provider is scored on a 0–100 Vouched Score blending public-record signals, customer reviews, and editorial assessment. See methodology →
Local cost drivers — climate, code, utility rebates, and refrigerant rules — that shape hvac pricing in Washington D.C..
The District's humid-subtropical climate means equipment must dehumidify hard in summer and carry a real winter heating load, but the bigger DC-specific driver is the building stock: dense pre-1940 rowhouses and condos in Capitol Hill, Georgetown, and Dupont Circle often have no room for conventional ductwork, which makes ductless mini-split heat pumps the dominant retrofit and makes ACCA Manual J right-sizing critical in tight mechanical spaces.
The DC Sustainable Energy Utility (DCSEU) is the District's efficiency administrator and offers residential electrification rebates of $250 to $5,000 on qualifying electric heat pumps (roughly $4,000–$5,000 when converting from gas to an ENERGY STAR heat pump), plus heat-pump-water-heater and panel-upgrade incentives; equipment must be installed by a licensed contractor, and income-eligible households can stack federal home-electrification rebates.
HVAC contracting is licensed through the DC Department of Licensing and Consumer Protection (DLCP) Board of Industrial Trades, which issues Refrigeration/Air-Conditioning licenses in Limited (≤25 compressor horsepower) and Regular (unlimited) tiers; a firm needs a Basic Business License plus a Master Refrigeration and Air-Conditioning Mechanic to pull permits, and refrigerant handling requires federal EPA Section 608 certification.
Last updated May 11, 2026
Estimated ranges for Washington D.C.. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| AC repair (typical service call) | $150–$650 |
| Furnace repair | $150–$900 |
| Tune-up / annual maintenance visit | $90–$200 |
| Full AC system replacement (3-ton, installed) | $5,500–$13,000 |
| Furnace replacement (installed) | $3,000–$8,500 |
| Heat pump installation | $5,000–$14,500 |
| Mini-split (single-zone, installed) | $2,500–$6,500 |
| Duct cleaning (whole-home) | $350–$800 |
| Duct sealing (Aeroseal or similar) | $1,500–$3,500 |
| Whole-house humidifier (installed) | $400–$2,500 |
| Whole-house dehumidifier (installed) | $1,500–$3,500 |
| Emergency / after-hours service premium | $150–$500 |
See broader context: HVAC pricing nationwide