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2. Fan heater - Wikipedia

   en.wikipedia.org/wiki/Fan_heater

   A fan heater, also called a blow heater, is a heater that works by using a fan to pass air over a heat source (e.g. a heating element). [1] This heats up the air, which then leaves the heater, warming up the surrounding room. They can heat an enclosed space such as a room faster than a heater without a fan, [2] but like any fan, create a degree ...

3. Hydronics - Wikipedia

   en.wikipedia.org/wiki/Hydronics

   Chillers and cooling towers are used either separately or together as means to provide water cooling, while boilers heat water. A recent innovation is the chiller boiler system, which provides an efficient form of HVAC for homes and smaller commercial spaces. A hydronic fan unit heater used for maintaining warmth within an industrial setting.

4. This space heater has 45,000 five-star reviews and it's just $27

   www.aol.com/lifestyle/givebest-space-heater-sale...

   Compact, this ceramic space heater measures in at 7.9 x 6.2 x 10.2 inches but with two heat levels of 1500 or 750 watts, this space heater is powerful enough to keep a small room cozy.

5. Electric heating - Wikipedia

   en.wikipedia.org/wiki/Electric_heating

   According to the US EPA, geothermal heat pumps can reduce energy consumption up to 44% compared with air source heat pumps and up to 72% compared with electric resistance heating. [4] The high purchase price of a heat pump vs resistance heaters may be offset when air conditioning is also needed.

6. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   At the furnace, cool air passes into the furnace, usually through an air filter, through the blower, then through the heat exchanger of the furnace, whence it is blown throughout the building. One major advantage of this type of system is that it also enables easy installation of central air conditioning , simply by adding a cooling coil at the ...

7. Radiant heating and cooling - Wikipedia

   en.wikipedia.org/wiki/Radiant_heating_and_cooling

   Outdoor radiant heaters allow specific spaces within an outdoor area to be targeted, warming only the people and objects in their path. Radiant heating systems may be gas-fired or use electric infrared heating elements. An example of the overhead radiant heaters are the patio heaters often used with outdoor serving. The top metal disc reflects ...