Insulating your water pipes is a simple and relatively easy way to prevent disaster from striking this winter season. It can also be good practice even for warmer climates where freezing doesn't occur as frequently because insulating your pipes can help to limit heat loss and condensation. Pipe insulation can greatly reduce the chances of frozen pipes but it doesn’t completely eliminate the chances of pipes freezing. In extreme areas, heating cables can be installed around pipes to apply heat directly to them.
According to the U.S. Department of Energy, “insulating your hot water pipes reduces heat loss and can raise water temperature 2°F–4°F hotter than uninsulated pipes can deliver, allowing you to lower your water temperature setting.”