Vetted hvac providers across 15 Maryland cities. 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 Maryland.
Maryland's mixed-humid mid-Atlantic climate imposes a true dual load — humid summers drive heavy cooling and moisture removal while genuinely cold winters demand real heating capacity — and the region's older Baltimore and DC-suburb housing stock, much of it predating modern insulation and duct standards, means duct sealing, infiltration, and capacity-matching frequently dominate the job and the cost.
The statewide EmPOWER Maryland program (2024–2026 cycle) is delivered through the utilities — BGE, Pepco, Delmarva Power, Potomac Edison, SMECO, and Washington Gas — funding Home Performance with ENERGY STAR projects and fossil-fuel-to-heat-pump electrification incentives reported up to $15,000 (or 75% of project cost), plus midstream instant HVAC rebates at point of sale; several utility instant-rebate amounts were reduced in late 2025, so confirm current amounts with your utility.
HVAC is licensed statewide by the Maryland State Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors, tiered apprentice → journeyman (about 4 years / 6,000 hours plus exam) → master, and any technician opening a sealed refrigerant circuit must also hold federal EPA Section 608 certification.
Last updated May 11, 2026
Estimated ranges for Maryland. 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