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2. How Much Does It Cost to Replace a Water Heater? - AOL

   www.aol.com/lifestyle/much-does-cost-replace...

   Storage tank water heaters are expected to last about 10 to 15 years. ... for an average cost of about $1,650. Electric water heaters cost between $600 and $3,500 to replace, for an average cost ...

3. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   A small tank water heater. Water heating is a heat transfer process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating.

4. Storage water heater - Wikipedia

   en.wikipedia.org/wiki/Storage_water_heater

   Solar heat is clean and renewable. This is the most modern system. Increasingly, solar powered water heaters are being used. Their solar thermal collectors are installed outside dwellings, typically on the roof or walls or nearby, and the potable hot water storage tank is typically a pre-existing or new conventional water heater, or a water heater specifically designed for solar thermal.

5. Energy factor - Wikipedia

   en.wikipedia.org/wiki/Energy_factor

   The energy factor metric only applies to residential water heaters, which are currently defined by fuel, type, and input capacity. [5] Generally, the EF number represents the thermal efficiency of the water heater as a percentage, since it is an average of the ratio of the theoretical heat required to raise the temperature of water drawn to the amount of energy actually consumed by the water ...

6. Home Upgrades That Will Stand the Test of Time - AOL

   www.aol.com/home-upgrades-stand-test-time...

   The average cost to install a tankless water heater is approximately $1,921, according to HomeAdvisor. Over the 20 years it should last, that breaks down to a cost of about $96 a year.

7. 20 Ways to Lower Your Electric Bill This Winter

   www.aol.com/finance/20-ways-lower-electric-bill...

   Smart thermostats offer zonal and timed heating and cooling, which on average will save most homeowners 10-12% on heating bills and up to 15% on their cooling bills. 5. Invest in a One-Time Duct ...