Yes, you should leave cabinets open that have pipes running through them. Doing so allows warm air to circulate around the pipes, keeping them from freezing. The more exposed the pipes are to heat, the less likely they are to freeze. This easy step helps protect pipes in unheated areas like basements or garages.
Exposing pipes to warmth prevents freezing. Leave cabinets open for air circulation. Closing cabinets before bedtime deters pests. This protects pipes in unheated basements and garages.