Eastern Mechanical Services (EMS) has a proud heritage of heating, air conditioning and plumbing expertise. As a certified Mitsubishi Diamond Contractor, Eastern Mechanical Services supplies, installs ductless heating and cooling systems from Mitsubishi Electric. The commercial division of Eastern Mechanical has been providing quality mechanical building trade services since 1985 for commercial and industrial clients. Our expert management and field technicians are committed to meet customer expectations, governing code requirements and third party inspections and tests.