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2. Unplug These 8 Appliances That Will Hike Up Your Electricity ...

   www.aol.com/unplug-8-appliances-hike-electricity...

   The average U.S. household pays around $142 for electricity each month, according to SaveOnEnergy's November 2024 report. That amount, however, varies greatly depending on where you live. For...

3. Hydrothermal circulation - Wikipedia

   en.wikipedia.org/wiki/Hydrothermal_circulation

   Hydrothermal circulation in the oceans is the passage of the water through mid-oceanic ridge systems.. The term includes both the circulation of the well-known, high-temperature vent waters near the ridge crests, and the much-lower-temperature, diffuse flow of water through sediments and buried basalts further from the ridge crests. [3]

4. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Early hot water systems were used in Ancient Rome for heating the Thermæ. [13] Another early hot water system was developed in Russia for central heating of the Summer Palace (1710–1714) of Peter the Great in Saint Petersburg. Slightly later, in 1716, came the first use of water in Sweden to distribute heating in buildings.

5. Circulator pump - Wikipedia

   en.wikipedia.org/wiki/Circulator_pump

   The traditional hot water recirculation system uses the existing cold water line as return line from the point of use located farthest from the hot water tank back to the hot water tank. The first of two system types has a pump mounted at the hot water heater while a "normally open" thermostatic control valve gets installed at the farthest ...

6. Unplug These Appliances That Hike Up Your Electricity Bill - AOL

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   Your water heater uses 4,500 watts of electricity per hour, so it's costing you 54 cents an hour. Fortunately, your water heater doesn't run all day long -- it only runs when it's actually heating ...

7. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   Recirculation systems: Since a tankless water heater is inactive when hot water is not being used, they are incompatible with passive (convection-based) hot water recirculation systems. They may be incompatible with active hot water recirculation systems and certainly use more energy to constantly heat water within the piping, defeating one of ...