Perform scheduled and unscheduled/emergency preventative maintenance, inspections, and service requests including replacement, and modifications of equipment or systems as needed or requested by customers, involving the following daily: Electrical, plumbing and HVAC systems Electrical, plumbing and HVAC systems. Minimum 5 years’ experience providing routine maintenance, cleaning, inspection and repair of warm air furnaces, air conditioners, duct distribution systems, water heaters, and related piping and electrical.