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2. Here's How Often You Should Drain Your Water Heater ... - AOL

   www.aol.com/heres-often-drain-water-heater...

   Step 1: Shut off the cold water supply on the top of the water heater. Step 2: Next, disconnect the power to the water heater or shut off the gas supply. The water inside the tank will be hot, so ...

3. Tips for troubleshooting water heater issues - AOL

   www.aol.com/tips-troubleshooting-water-heater...

   Always turn off the gas and power before working on your heater. And if there’s a standing pool of water, shut off the gas and water supply to the heater and step away. Contact a licensed ...

4. 20 Ways to Lower Your Electric Bill This Winter

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

   Seal Cracks and Leaks. ... because you’ll be less likely to turn up the heat. HVAC system maintenance is relatively affordable, and a one-time vent cleaning will take about $200 to $300 out of ...

5. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [5] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...

6. Thermostatic mixing valve - Wikipedia

   en.wikipedia.org/wiki/Thermostatic_mixing_valve

   They also shut off rapidly in the event of a hot or cold supply failure to prevent scalding or thermal shock. It is increasingly common practice around the world to regulate the storage water temperature to above 60 °C (140 °F), and to circulate or distribute water at a temperature less than 50 °C (122 °F).

7. Heat trap - Wikipedia

   en.wikipedia.org/wiki/Heat_trap

   Microcirculation on the left: Heated water is rising into the pipe on top of the hot water tank, cooling off on the sides of the pipe and thence circulating back into the tank. Right: Circulation of hot water is inhibited by the loop in the pipe. Heat traps are valves or loops of pipe on the cold water inlet and hot water outlet of water heaters.