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2. The Best Garage Heaters for Warming Up Chilly Workshops, Shed ...

   www.aol.com/lifestyle/garage-heaters-keep-space...

   This 240-volt compact garage heater is the best all-around choice for most spaces, with 7,500 watts of heating power and the option to mount it on the wall or ceiling.

3. These Editor-Tested Space Heaters Will Keep You Toasty All ...

   www.aol.com/lifestyle/best-space-heaters-warming...

   The Best Space Heaters. Best Overall: Lasko CW210 Bladeless Tower Space Heater. ... Gas and liquid-fuel heaters: These appliances burn propane or kerosene to warm an infrared emitter that projects ...

4. Ground source heat pump - Wikipedia

   en.wikipedia.org/wiki/Ground_source_heat_pump

   A heat pump is the central unit for the building's heating and cooling. It usually comes in two main variants: Liquid-to-water heat pumps (also called water-to-water) are hydronic systems that carry heating or cooling through the building through pipes to conventional radiators, underfloor heating, baseboard radiators and hot water tanks. These ...

5. 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 ...

6. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Electric heating or resistance heating converts electricity directly to heat. 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.

7. Air source heat pump - Wikipedia

   en.wikipedia.org/wiki/Air_source_heat_pump

   Devices with R-290 refrigerant (propane) are expected to play a key role in the future. [54] [65] The 100-year GWP of propane, at 0.02, is extremely low and is approximately 7000 times less than R-32. However, the flammability of propane requires additional safety measures: the maximum safe charges have been set significantly lower than for ...