Your water heater works hardest during the cold winter months. Therefore, it is important to drain sediment from your water heater tank in order to avoid corrosion and increase energy efficiency.
In order to ensure proper drainage during the winter months, make sure you clear out dead leaves and other debris from your roof gutters and downspouts.
Insulate all pipes located in cold unheated areas. Applying thermostat-controlled heat cables or heat tape around the exposed pipes.