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  2. How To Prep for Winter Energy Bills: 7 Affordable Home Upgrades

    www.aol.com/finance/prep-winter-energy-bills-7...

    Insulate Your Water Heater Average cost: $30 If you have an electric water heater, insulating it could save you anywhere from 7% to 16% in water heating costs and pay for itself within a year.

  3. Natural gas prices surge after forecasts of a cold January emerge

    www.aol.com/news/natural-gas-prices-surge...

    Natural gas prices have surged nearly 25% over the last month. ... about 60% of homes use natural gas for space or water heating. ... It is estimated that 65% of the Midwest uses natural gas for ...

  4. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Under the pre-2015 standard, a 75 US gal (280 L; 62 imp gal) gas storage water heater with a nominal input of 22 kW (75,000 BTU/h) or less was able to have an energy factor as low as 53%, while under the 2015 standard, the minimum energy factor for a 75-US-gallon gas storage tank water heater is now 74%, which can only be achieved by using ...

  5. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    Tankless gas electronic ignition water heaters. Gas water heaters have an exhaust vent or one to two exhaust pipes on the top, and still require electric power for electronics, sensing and ignition. A three-phase, 21 kW, 400-volt tankless water heater in Europe, with new European color coding for three-phase power.

  6. Condensing boiler - Wikipedia

    en.wikipedia.org/wiki/Condensing_boiler

    Condensing boilers are water heaters typically used for heating systems that are fueled by gas or oil. When operated in the correct circumstances, a heating system can achieve high efficiency (greater than 90% on the higher heating value) by condensing water vapour found in the exhaust gases in a heat exchanger to preheat the circulating water.

  7. Own a pool in Southern California? New air-quality rule ...

    www.aol.com/news/own-pool-southern-california...

    The rule will lead to the replacement over three decades of more than 1 million gas-burning appliances — including an estimated 700,000 pool heaters and 300,000 tankless water heaters — with ...

  8. Cost of electricity by source - Wikipedia

    en.wikipedia.org/wiki/Cost_of_electricity_by_source

    The levelized cost of electricity (LCOE) is a metric that attempts to compare the costs of different methods of electricity generation consistently. Though LCOE is often presented as the minimum constant price at which electricity must be sold to break even over the lifetime of the project, such a cost analysis requires assumptions about the value of various non-financial costs (environmental ...

  9. You can now find gas less than $3 in Florida. See cheapest ...

    www.aol.com/now-gas-less-3-florida-124500145.html

    Cheapest gas in the Miami area was $2.63 and the most expensive $4.37. ... Florida price at the pump. Average: The average price for a gallon of gas in Florida on Monday, according to AAA, was $3. ...