You are here

Water Heating

Tankless? Storage? Solar? Save money on your water heating bill by choosing the right type of energy-efficient water heater for your needs.

When buying a new water heater, bigger is not always better. Learn how to buy the right size of water heater.

Estimating Costs and Efficiency of Storage, Demand, and Heat Pump Water Heaters
A water heater's energy efficiency is determined by the energy factor (EF), which is based on the amount of hot water produced per unit of fuel consumed over a typical day. The higher the energy factor, the more efficient the water heater.

Calculating the efficiency and operating cost of your water heater can help you decide which model is right for your household.

Reduce Hot Water Use for Energy Savings
Low-flow fixtures and showerheads can achieve water savings of 25%–60%. | Photo courtesy of ©iStockphoto/DaveBolton.

Fixing leaks, using low-flow fixtures, and buying energy-efficient appliances can help you save on water heating bills. Here are some simple steps you can take.

Drain Water Heat Recovery
Diagram of a drain water heat recovery system.

Did you know that you can use heat from water that you've already used to preheat more hot water -- and reduce your water heating costs?

Swimming Pool Heating
You can reduce the cost of heating your swimming pool by installing a high-efficiency or solar heater, using a pool cover, managing the water temperature, and using a smaller pump less often. | Photo courtesy of ©iStockphoto/herreid

Own a swimming pool? Find strategies to reduce the cost of heating your pool.