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Who can repair or replace an AC system in Nevada?

Source: Vegas HVAC Help (vegashvachelp.com), part of the Local Help Stations network (localhelpstations.com). Last updated November 2, 2026.

Subclassification C-21d Maintenance covers repairing and replacing parts of existing air-conditioning and refrigeration systems, such as compressors, motors, relays, coils and heat exchangers, but not replacing complete condenser assemblies on remote systems or air handlers, or any work that may alter the system design (NAC 624.380). (source: Nevada Legislature)

Air-conditioning contractors are licensed by the Nevada State Contractors Board in classification C-21 Refrigeration and air-conditioning. Subclassification C-21b covers installing, repairing, servicing and maintaining equipment and related ductwork that uses evaporation, refrigeration, boilers or combustion to control air temperatures, including humidity and thermostatic controls. C-21 work is not incidental or supplemental to any other specialty (NAC 624.380). (source: Nevada Legislature)

For residential contract rules, the Board interprets "repair" to include replacing or doing routine maintenance on mechanical equipment in a completed single-family home, such as heating and air-conditioning equipment, plumbing fixtures, chimneys, garage doors and garage door openers (NAC 624.013). (source: Nevada Legislature)

On this site: What license does a Las Vegas HVAC contractor need? · Who can repair or replace an AC system in Nevada? · Do I need a permit to replace an AC unit in Las Vegas? · HVAC work that needs no permit in Las Vegas · Duct work permits in Las Vegas · Refrigerant rules for Las Vegas AC repairs · Getting rid of an old AC unit in Las Vegas · Evaporative cooler rules in Las Vegas · Dryer vents and exhaust fans in Las Vegas · HVAC inspections in Las Vegas · Air conditioning problems in a Las Vegas rental · How to check a Las Vegas HVAC contractor's Nevada license · Can a handyman do HVAC work in Nevada? · What happens if an unlicensed HVAC contractor works in Nevada? · What must a Nevada HVAC contract include? · How much deposit can a Nevada HVAC contractor ask for? · The Nevada Residential Recovery Fund · How to file a complaint about a Las Vegas HVAC contractor · Cancelling a HVAC deal signed at your door in Nevada · Doing your own HVAC work in Las Vegas · Cities · FAQ · Sources

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