, or local ordinance. Sr, senior, Service Tech, refridgeration, HVAC, refrigeration, HVAC-R, HVAC/R, diagnostic, commercial.... At least 10 years large commercial HVAC experience supplemented by course work in a related trade, or an equivalent combination...
Tech, refridgeration, HVAC, refrigeration, HVAC-R, HVAC/R, diagnostic, commercial, service, install, installer... of a senior technician: HVAC: air handler drains, piping for split systems, overhead duct hangers and ductwork...