Rainbow specializes in customized HVAC Mechanical Maintenance Service Programs to suit and excel specific customer expectations and have a wide range of speciality services enhancing the full building needs. Some of the equipment that we install, service, and maintain is, hydronic water heating plants, domestic hot water plants, chilled water plants, pumps, variable speed drives, heat exchangers, radiant heating systems (bare element) air conditioning units, roof top units, glycol heating/cooling solutions for make up air handlers, exhaust systems, pressurized fresh air systems and carbon monoxide detection systems. We offer complete installation of plumbing services, water, storm, sanitary drainage, plumbing fixtures and pumps for high-rise dwellings. more... See more text