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2. Heating, ventilation, and air conditioning - Wikipedia

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

   Heaters are appliances whose purpose is to generate heat (i.e. warmth) for the building. This can be done via central heating. Such a system contains a boiler, furnace, or heat pump to heat water, steam, or air in a central location such as a furnace room in a home, or a mechanical room in a large building.

3. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Later in the 20th century, these were updated to burn fuel oil or gas, eliminating the need for a large coal storage bin near the boiler and the need to remove and discard coal ashes. A cheaper alternative to hot water or steam heat is forced hot air.

4. Gas heater - Wikipedia

   en.wikipedia.org/wiki/Gas_heater

   A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane, or butane. Indoor household gas heaters can be broadly categorized in one of two ways: flued or non-flued, or vented and unvented .

5. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   An electrical resistance heater has a COP of 1.0, which is considerably lower than a well-designed heat pump which will typically have a COP of 3 to 5 with an external temperature of 10 °C and an internal temperature of 20 °C. Because the ground is a constant temperature source, a ground-source heat pump is not subjected to large temperature ...

6. 11 benefits of chia seeds from gut health to weight loss - AOL

   www.aol.com/finance/11-benefits-chia-seeds-gut...

   Among their near-medicinal properties—thanks to their polyunsaturated fatty acids, protein, and fiber, in particular—according to researchers at Oregon State: Improved heart health and cholesterol

7. Juan Soto is 'eliminating teams' in free agent sweepstakes ...

   www.aol.com/juan-soto-eliminating-teams-free...

   Free agent outfielder Juan Soto has begun narrowing down his list of possible landing spots, with the price tag on a new contract likely topping the $600 million mark.. Days before MLB's Winter ...