Master HVACR and Master HVACR Restricted Licensure
Selecting Type of License The type of license you hold determines the HVACR services that you are permitted to provide. Master HVACR – A Master HVACR can design, install, construct, maintain, service, repair, alter, or modify a product or equipment including gas piping in heating and air conditioning, refrigeration, ventilation, or process cooling or heating […]
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