enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Hydronic heating systems are also used with antifreeze solutions in ice and snow melt systems for walkways, parking lots and streets. They are more commonly used in commercial and whole house radiant floor heat projects, whereas electric radiant heat systems are more commonly used in smaller "spot warming" applications.

3. Heating system - Wikipedia

   en.wikipedia.org/wiki/Heating_system

   The main source of harmful greenhouse gas emissions is the type of heating systems being used. For example; central heating systems depending on what they use to burn/electricity consumed to heat the system. Another environmental impact is during winter months heating systems depend heavily more on fossil fuel based energy production. [11]

4. Heating, ventilation, and air conditioning - Wikipedia

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

   Electrical heaters are often used as backup or supplemental heat for heat pump systems. The heat pump gained popularity in the 1950s in Japan and the United States. [ 14 ] Heat pumps can extract heat from various sources , such as environmental air, exhaust air from a building, or from the ground.

5. The Best Portable Heaters Will Warm Any Room of the House - AOL

   www.aol.com/lifestyle/warm-room-house-best...

   The Vornado MVH Vortex Heater offers 1500 watts of heating power to raise the temperature in your room to comfortable levels. It works by using its signature Vortex heat circulation to evenly and ...

6. Furnace (central heating) - Wikipedia

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

   In some areas electrical resistance heating is used, especially where the cost of electricity is low or the primary purpose is for air conditioning. Modern high-efficiency furnaces can be up to 98% efficient and operate without a chimney, with a typical gas furnace being about 80% efficient. [ 1 ]

7. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   PTAC systems may be adapted to provide heating in cold weather, either directly by using an electric strip, gas, or other heaters, or by reversing the refrigerant flow to heat the interior and draw heat from the exterior air, converting the air conditioner into a heat pump. They may be installed in a wall opening with the help of a special ...