About Wighton's Electric, Plumbing, Heating, and Air Wighton's Electric, Plumbing, Heating, and Air is the leading provider of residential & commercial plumbing, heating, & AC systems in the Central Coast. Responsibilities The job duties below include, but are not limited to: Lead the installation of HVAC equipment including furnaces, heat pumps, condensers, air handlers, mini-splits, ductwork, thermostats, and ventilation systems.