Maryland Commercial HVAC Jobs

Employment type

State

Maryland · Commercial HVAC

Commercial HVAC work in Maryland

Maryland postings may span data facilities, defense sites, research labs, hospitals, and government buildings.

How to use this page

The listings above are statewide results. Open a posting to confirm its actual worksite, equipment, schedule, travel, and stated pay before applying.

Before you apply

Compare fixed-site facility work with contractor service routes. A broad HVAC title may cover chillers, rooftop units, refrigeration, controls, or several systems.

Work settings to compare

Data and defense facilities

Check cooling redundancy, access requirements, alarms, and shift coverage.

Biotech and labs

Review cleanroom controls, temperature and humidity tolerances, and documentation.

Baltimore-area hospitals

Look for central plant, air handling, and occupied-building scheduling.

Maryland HVAC pay and employment

Median hourly pay$33.67

Middle 50% of hourly wages$27.06–$46.05

Estimated workers8,560

May 2025 BLS estimates for heating, air conditioning, and refrigeration mechanics and installers (SOC 49-9021) across Maryland. These figures include residential and commercial work. Employment counts workers, not current openings. View the BLS state data.