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Evaporative cooler rules in Las Vegas

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

Subclassification C-1f Heating, cooling and circulating air covers systems for heating, evaporative cooling and air circulation, including solar equipment for that purpose, but not cooling systems that use refrigeration (NAC 624.190). (source: Nevada Legislature)

The City of Las Vegas guide says portable evaporative coolers installed in windows need no permit, but installing one in a wall opening created for it does. (source: City of Las Vegas Building and Safety)

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