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2. Attic fan - Wikipedia

   en.wikipedia.org/wiki/Attic_fan

   An attic fan installed underneath a roof. A powered attic ventilator, or attic fan, is a ventilation fan that regulates the heat level of a building's attic by exhausting hot air. A thermostat is used to automatically turn the fan off and on, while sometimes a manual switch is used. An attic fan can be gable mounted or roof mounted. Additional ...

3. Whole-house fan - Wikipedia

   en.wikipedia.org/wiki/Whole-house_fan

   A whole house fan pulls air out of a building and forces it into the attic space or, in the case of homes without attics, through an opening in the roof or an outside wall. This forces air from the living areas into the attic and out through the gable and/or soffit vents, while at the same time drawing air from the outside into the living areas ...

4. Gas heater - Wikipedia

   en.wikipedia.org/wiki/Gas_heater

   Upright non-flued liquefied petroleum gas heater, 1970s A wall mounted gas heater that runs on either propane or natural gas. 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 ...

5. GOP-led House votes to ban transgender athletes from ... - AOL

   www.aol.com/news/gop-led-house-votes-ban...

   The House voted on Tuesday to pass a GOP-led bill that would ban transgender athletes from women’s and girls’ sports at federally funded schools and educational institutions.

6. How to safely freeze milk, according to health experts - AOL

   www.aol.com/safely-freeze-milk-according-health...

   Not being able to finish all your groceries before they expire isn't a good feeling. But how do you make sure you're safely freezing milk?

7. Furnace (central heating) - Wikipedia

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

   The fourth category of furnace is the high-efficiency condensing gas furnace. High efficiency condensing gas furnaces typically achieve between 90% and 98% AFUE. [3] A condensing gas furnace includes a sealed combustion area, combustion draft inducer and a secondary heat exchanger. The primary gain in efficiency for a condensing gas furnace, as ...

8. If It Seems Like Everyone Has Norovirus, It's Because They ...

   www.aol.com/seems-everyone-norovirus-because...

   Outbreaks of the highly contagious stomach virus are more than double what they were last year, the Centers for Disease Control and Prevention says

9. Gasoline heater - Wikipedia

   en.wikipedia.org/wiki/Gasoline_heater

   Gasoline is brought to the heater from the vehicle's fuel system. A fan blows air into a combustion chamber, where a glow plug or similar ignition device lights the gasoline/air mixture. Ducting around this contains a second fan, which blows air warmed by contact with the combustion chamber into the interior of the vehicle.