
• Insulation is a must to cut heat loss as hot water moves through the system. Most modern tanks are
insulated, but if you happen to have one that isn't, wrap some insulation batts or rolls around it. Be sure you use a fire-resistant type, and keep it well clear of the burner on an oil- or gas-fired tank. • Protect the pipes. Hot water moves from the tank to the various outlets in the house through pipes that normally run along the basement ceiling — the coolest part of the house.
Again, the best way to prevent heat escaping is by using insulation.
A Saturday afternoon project: You need a stepladder, scissors, insulating strips (from your hardware or building supply store) and tape. Start at the hot-water tank and wrap strips around all the exposed pipe, making sure that junctions are well covered. You'll be saving energy and money for years!