Yes, Southern Nevada has mild winters however, we typically get one to five nights of below freezing temperatures. Your exterior spigots and vacuum breakers are vulnerable.
A foam cup or an insulating sock can take care of your spigot for less than $10.
Piping insulation and some form of insulation like a pouch are necessary to protect valves and vacuum breakers. (Insulating pouches are available at Home Depot and other retailers for less than $40)
During our November visits, we pay special attention to this detail to protect your home from an avoidable disaster.
Visit our tips page Item 11 for additional information.
JP at Home Watcher LV or Las Vegas