Selecting and Installing A Water Heater
1. Look for the EnergyGuide label to evaluate the energy efficiency of the model you are interested in. Water heaters are required to list an energy factor (EF), following guidelines set by the government. Look for water heaters with an EFs between 0.92 to 0.95. Note: At this time ENERGY STAR® does not have a program to evaluate and qualify water heaters.

2. Consider life-cycle costs when buying a water heater. The EnergyGuide label includes an estimated annual operating cost. Models that cost less to purchase often cost significantly more to operate over the life of the product.

3. Consult a plumber to determine what size water heater you need. Your water heater capacity should be based on your peak household water usage. Start with the following rough guidelines:

• one to four people: 30 to 50 gallons
• four to seven people: 50 to 80 gallons
• seven or more: 80+ gallons

Smaller water heaters use less energy not only because they heat less water but also because their smaller surface area loses less heat.

4. A water heater typically has a life span of 10 to 15 years. Consider asking a plumber about the useful life left in your water heater and replace it before it breaks rather than as a result of an untimely failure. If you plan ahead, you are more likely to get the right water heater for your needs.

Maintenance
1. Repair leaky faucets promptly. If you have a hot water leak, it’s costing you money in water and energy.

2. Drain a bucket of water from the drain valve at the base of your water tank every 6 to 12 months to remove sediment that impedes heat transfer and lowers the efficiency of the unit. Be sure to follow manufacturer instructions for this process, as each water heater is slightly different.

Back To Top

Everyday Tips

1. Install low-flow showerheads and sink aerators to cut down on the amount of hot water needed throughout your home. Older showerheads often use 4 to 5 gallons per minute, while newer ones range from 1.5 to 2.5 gallons per minute. You’ll save water and energy!

2. Insulate your water heater with a hot water heater blanket if your water heater is warm to the touch. Be sure to follow the instructions, leaving thermostats and valves accessible.

3. If your water heater is located in a place that is not heated in the winter, insulate the hot water pipes to limit the amount of heat lost in the pipes.

4. If you’re going on vacation, either turn down the water heater or turn it off altogether to save electricity while you’re gone.

Back To Top