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2. Electric heating - Wikipedia

   en.wikipedia.org/wiki/Electric_heating

   Circulation heaters or "direct electric heat exchangers" (DEHE) use heating elements inserted into a "shell side" medium directly to provide the heating effect. All of the heat generated by the electric circulation heater is transferred into the medium, thus an electric heater is 100 percent efficient.

3. Space heater - Wikipedia

   en.wikipedia.org/wiki/Space_heater

   In the United States, Underwriters Laboratories' UL 1278 [11] (for portable electric space heaters) and UL 1042 [12] standards (for portable and fixed baseboard electric heaters) certify heater safety. Although the General Services Administration had Specification W-H-193 [13] for

4. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Electric heat is often more expensive than heat produced by combustion appliances like natural gas, propane, and oil. Electric resistance heat can be provided by baseboard heaters, space heaters, radiant heaters, furnaces, wall heaters, or thermal storage systems. Electric heaters are usually part of a fan coil which is part of a central air ...

5. Heating system - Wikipedia

   en.wikipedia.org/wiki/Heating_system

   Examples include electric space heaters, fireplaces, and solar heating. [3] Heat pumps: They can be used for heating and cooling, transferring heat using refrigerant and electricity, making them more efficient than other heating systems. [4]

6. 8 Most Effective Ways To Use Your 2024 Tax Refund To Improve ...

   www.aol.com/8-most-effective-ways-2024-180102692...

   That heat has to come from somewhere, and many water heaters/boilers are old and energy inefficient. According to the U.S. DOE, water heating may account for as much as 20% of home energy use .

7. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   Heaters exist for various types of fuel, including solid fuels, liquids, and gases. Another type of heat source is electricity, normally heating ribbons composed of high resistance wire (see Nichrome). This principle is also used for baseboard heaters and portable heaters. Electrical heaters are often used as backup or supplemental heat for ...