Annual HVAC maintenance in Las Vegas is essential given the extreme demands placed on equipment running 8–10 months per year at ambient temperatures exceeding 110°F. A January or February tune-up — before peak season demand arrives in April — is strongly recommended. Maintenance visits cover capacitor condition testing (critical in Las Vegas), coil cleaning, refrigerant level checks, condenser fan motor inspection, and filter replacement. Twice-yearly service (February and October) is recommended for systems that run almost year-round. Annual contracts run $175–$400. Nevada NSCB-licensed HVAC contractors below serve Las Vegas, Henderson, North Las Vegas, Summerlin, Green Valley, and the broader Las Vegas Valley.