A.J. Michaels

A.J. Michaels is a Baltimore-area mechanical contractor providing residential and commercial heating, cooling, plumbing, electrical, and whole-home performance services, holding master licenses across trades and recognized for energy-saving expertise; A.J. Michaels has installed tens of thousands of systems since 1978, offers services from Energy Audits and duct sealing to SpacePak and commercial HVAC, and the company focuses on technical expertise, ongoing technician education, helping customers access rebates and financing, and delivering reliable, well-documented installations and service.