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2. 3 Winter Sleep Problems & How to Fix Them - AOL

   www.aol.com/3-winter-sleep-problems-fix...

   Winter brings less daylight and colder temperatures, which can disrupt sleep. Seasonal Affective Disorder (SAD) is more common in winter due to the lack of sunlight, causing sleep disturbances.

3. Forced-air gas - Wikipedia

   en.wikipedia.org/wiki/Forced-air_gas

   Each room has an outlet from the duct system, often mounted in the floor or low on the wall – some rooms will also have an opening into the cold air return duct. Depending on the age of the system, forced-air gas furnaces use either a pilot light or a solid-state ignition system (spark or hot surface ignition) to light the natural gas burner. [3]

4. Furnace (central heating) - Wikipedia

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

   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 compared to a mid-efficiency forced-air or forced-draft furnace, is the capture of latent heat from the exhaust gases in the secondary heat exchanger.

5. Stack effect - Wikipedia

   en.wikipedia.org/wiki/Stack_effect

   During the cooling season, the stack effect is reversed, but is typically weaker due to lower temperature differences. [1] In a modern high-rise building with a well-sealed envelope, the stack effect can create significant pressure differences that must be given design consideration and may need to be addressed with mechanical ventilation ...

6. Weird sounds and smells in your home you should never ignore

   www.aol.com/weird-sounds-smells-home-never...

   If your furnace, air conditioner or other parts of your HVAC system are causing a raucous and you feel unqualified to fix it, don't hesitate to call a technician to turn down the volume and keep ...

7. News, Politics, Sports, Mail & Latest Headlines - AOL.com

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

8. Thermostat - Wikipedia

   en.wikipedia.org/wiki/Thermostat

   To improve the control performance of the system, thermostats can include an "anticipator", which stops heating/cooling slightly earlier than reaching the setpoint, as the system will continue to produce heat for a short while. [4] Turning off exactly at the setpoint will cause actual temperature to exceed the desired range, known as "overshoot ...

9. Winter solstice 2024: The shortest day of the year is arriving

   www.aol.com/winter-solstice-2024-shortest-day...

   As holiday lights brighten streets and the season of cheer unfolds, Dec. 21 marks the winter solstice this year -- a reminder that the darkest day of the year is upon us.. For the more than 6 ...