A guide to reducing home energy costs
and increasing comfort.
Improvements   >   Water Heating
Quick Fact

Water heating tips: repair leaky faucets; lower the thermostat on your water heater; install low-flow showerhead; consider taking 5-minute showers instead of baths.

Tankless water heaters operate better when the home has a soft water system.

Water Heating

Storage Tanks

After heating and cooling, water heating usually accounts for the third largest energy usage in the average home. Gas water heating efficiency is determined by its energy factor; the higher the energy factor, the greater the savings. Storage tank water heaters for residential consumers usually come in two sizes – 40 and 50 gallon. When purchasing a new model, look for an energy factor of no less than 0.62. High efficient models are better insulated, therefore reducing energy loss. They also have the capability of producing more hot water at a faster rate while still providing low operating costs.  Self-cleaning systems help prevent sediment build-up that can rob a water heater of efficiency and cause premature tank failure.

Tankless Water Heaters

Tankless gas water heaters deliver unlimited amounts of hot water 24 hours a day on-demand.  A tankless water heater has neither a storage tank to keep heated all day, nor a pilot light; it burns gas only when you need hot water. This system eliminates stand-by heat loss for greater efficiency and savings. Because tankless water heaters have no storage tank, they require a fraction of the space used by traditional water heaters. Although tankless water heaters provide more savings than an energy-efficient storage tank water heater, the initial installation cost is approximately three times greater resulting in a longer pay-back period. In addition, in areas where there are excessive lime and other mineral deposits present in the water, annual cleaning maintenance may be required.


Consumer Alert

For best performance and minimal maintenance, soft water systems should be used in conjunction with tankless water heaters.

When considering upgrading your water heading in existing older homes, it is highly recommended to check with your local utility provider for available cash incentive programs.  These incentives can often considerably offset your improvement cost.

Click here to check for current rabates from The Gas Company.

Storage tank


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