[Summit Mechanical, Inc. Summit Mechanical, Inc. is an engineering design and construction company focused on full-service HVAC work and related HVAC Equipment, Automated Controls, Indoor Air Quality, Energy Management and Plumbing. Backed by a 24 hour service, the company serves customers primarily in northeastern Indiana. Summit Mechanical was founded in 1983 and is led by a Management Team with over 60 years of combined design and build experience.]