enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   Brushed DC ceiling fans. Before the current switched from DC to AC, there were productions of brushed DC ceiling fans. Those are wired directly to DC wires. Brushless DC ceiling fans. This type of fans uses BLDC technology which offers much higher efficiency than normal fans driven with traditional AC motors. These are quieter than AC motor ...

3. Whole-house fan - Wikipedia

   en.wikipedia.org/wiki/Whole-house_fan

   There are four types of whole house fans: Ceiling-mounted: Mounted in the ceiling between the attic and living space. Ducted: Remotely mounted away from the ceiling, typically hung from the rafters; can exhaust heat from multiple locations; operation is usually quiet compared to traditional whole-house fans. Window-mounted: Mounted in a window ...

4. List of Dyson products - Wikipedia

   en.wikipedia.org/wiki/List_of_Dyson_products

   Most of the Dyson fans and heaters are controlled by small infrared remote controls, which can be held magnetically on the appliance when not in use. A more-limited set of control switches is provided on the body of the appliance. The design for a "bladeless" fan had been patented by Toshiba in 1981, but was not marketed before the patent ...

5. The best air purifiers of 2025 - AOL

   www.aol.com/lifestyle/best-air-purifiers...

   Via a three-colored light on top of the unit, a real-time sensor communicates indoor air quality – poor, moderate or good — with an Auto mode that will optimize an setting (1 through 3) based ...

6. List of appropriate technology applications - Wikipedia

   en.wikipedia.org/wiki/List_of_appropriate...

   Electrical powered fans (e.g., ceiling fans) allow efficient cooling, at a far lower electricity consumption as airconditioning systems. A solar chimney often referred to as thermal chimney improves this natural ventilation by using convection of air heated by passive solar energy.

7. Heating, ventilation, and air conditioning - Wikipedia

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

   In summer, ceiling fans and table/floor fans circulate air within a room for the purpose of reducing the perceived temperature by increasing evaporation of perspiration on the skin of the occupants. Because hot air rises, ceiling fans may be used to keep a room warmer in the winter by circulating the warm stratified air from the ceiling to the ...