![]() ![]() A helper (you’ll need four hands for this one).It is best done when installing a new water heater. A ridged piece of insulation (or bottom board) will help prevent heat loss into the floor, and could save you another 4%–9% of water heating energy. For an electric water heater, you also might consider insulating underneath the tank as well.If your tank leaks, you need a new water heater. Be sure that your water heater is not leaking.Some utilities even install these at a low or no cost. Check with your utility to see if they offer water heater insulating blankets at low prices or offer rebates.Consequently, the water heater manufacturer disclaims any liability for problems associated with the use of insulation blankets. or 3) blocking air passages required for combustion or draft resulting in unsafe operation. Often, the homeowner has good intentions but unknowingly creates hazards by: 1) covering safety warnings and operating instructions 2) covering controls, access areas, shut off devices, temperature and pressure relief valves, etc. Some local codes and utility company regulations may prohibit insulation blankets. ![]() Therefore, a blanket accomplishes no purpose for these types of heaters. Most experts agree that heat loss in a gas water heater goes up the flue. You can find pre-cut jackets or blankets available from around $20. Water heater insulation could reduce standby heat losses by 25%–45% and save you about 7%–16% in water heating costs-and should pay for itself in about a year. If not, consider insulating your water heater. Consider insulating your electric water heater if it’s warm to the touch. ![]() If you don't know the R-value, touch the tank. If you have an older water heater, check to see if it has insulation with an R-value of at least 24. Just like insulating your walls or roof, insulating your electric water heater is an easy and inexpensive way to improve energy efficiency and save you money each month. ![]()
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