Explore 2 Trusted HVAC Contractors Serving Ann Arbor, MI

Altech Mechanical Service delivers comprehensive commercial HVAC solutions in Ann Arbor, MI. Specializing in heating, ventilation, air conditioning, and refrigeration systems since 1997, we combine technical expertise with premium materials to ensure optimal system performance. Our certified technicians provide 24/7 emergency support and customized maintenance plans for diverse commercial environments.

Robertson Morrison provides comprehensive HVAC and mechanical contracting services across Southeast Michigan. Specializing in design/build solutions, maintenance, and 24/7 emergency support, we serve commercial, industrial, and institutional clients with energy-efficient systems tailored to Michigan's climate. With decades of experience and a focus on value engineering, we ensure reliable, code-compliant results for projects of all scales.