DEI & Associates Inc. provides professional mechanical and electrical consulting engineering for architects and building owne ... rs for the building service industry. The company consists of experienced and qualified designated consulting engineers, certified engineering technologists, and support staff. We specialize in mechanical and electrical building service design for new and renovation projects. Experienced in institutional, commercial, assembly, residential, educational, agricultural, recreational, and pharmaceutical buildings. Mechanical systems design include: site service, plumbing, drainage, fire protection, industrial process, hydronic heating, hydronic chilled water, air conditioning, ventilation, forced air heating, heat recovery, heat pump, building automation controls, etc. Mechanical systems are designed for all needs including temperature, noise and relative humidity, filtration, ventilation, pressurization and system control. Electrical systems design include building power requirements, interior/exterior lighting, building power distribution, security systems, fire alarm systems, computer network systems, emergency life safety systems including generators, and communication and surveillance systems. Electrical systems are designed for all needs including owner equipment requirements, proper lighting levels, task lighting, morality lighting, computer networking, and life safety systems. read more