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2. Heating, ventilation, and air conditioning - Wikipedia

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

   Rooftop HVAC unit with view of fresh-air intake vent Ventilation duct with outlet diffuser vent. These are installed throughout a building to move air in or out of rooms. In the middle is a damper to open and close the vent to allow more or less air to enter the space. The control circuit in a household HVAC installation.

3. Ventilation (architecture) - Wikipedia

   en.wikipedia.org/wiki/Ventilation_(architecture)

   During the winter, ACH may range from 0.50 to 0.41 in a tightly air-sealed house to 1.11 to 1.47 in a loosely air-sealed house. [12] ASHRAE now recommends ventilation rates dependent upon floor area, as a revision to the 62-2001 standard, in which the minimum ACH was 0.35, but no less than 15 CFM/person (7.1 L/s/person).

4. Damp (structural) - Wikipedia

   en.wikipedia.org/wiki/Damp_(structural)

   Condensation comes from water vapour within the building. Common sources may include cooking, bathing, dishwashers, etc. The moisture in the air condenses on cold surfaces, sometimes inside the walls called interstitial condensation .

5. 5 things you should (and should not) do to make your AC unit ...

   www.aol.com/news/5-things-not-ac-unit-140622695.html

   Keep vents open: And let air flow freely. Restricting air won’t regulate the temperature of your space. ... “On the outside of the house where the condensation line is, make sure you don’t ...

6. The air in your home could be making you sick – here’s how to ...

   www.aol.com/air-home-could-making-sick-184905028...

   GP Dr Nisa Aslam explains that “winter provides a perfect environment for house-dust mites because we keep windows closed and heating on and this increases the warmth and humidity they love.

7. Underfloor air distribution - Wikipedia

   en.wikipedia.org/wiki/Underfloor_air_distribution

   The most common UFAD configuration consists of a central air handling unit delivering air through a pressurized plenum and into the space through floor diffusers. Other approaches may incorporate fan powered terminal units at the outlets, underfloor ducts, desktop vents or connections to Personal Environmental Control Systems. [8]

8. Ground-coupled heat exchanger - Wikipedia

   en.wikipedia.org/wiki/Ground-coupled_heat_exchanger

   When implementing in a house without a basement on a flat lot, an external condensation tower can be installed at a depth lower than where the tube enters into the house and at a point close to the wall entry. The condensation tower installation requires the added use of a condensate pump in which to remove the water from the tower.

9. 7 Ways To Humidify A Room Without A Humidifier, According To ...

   www.aol.com/lifestyle/7-ways-humidify-room...

   Instead, hang them around your house to dry and humidify the air if you don't have a humidifier at home. "As they dry, they’ll release moisture into the air. It’s a win-win—you get your ...