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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. Duct (flow) - Wikipedia

   en.wikipedia.org/wiki/Duct_(flow)

   Ducts for air pollution control in a 17000 standard cubic feet per minute regenerative thermal oxidizer (RTO). A round galvanized steel duct connecting to a typical diffuser Fire-resistance rated mechanical shaft with HVAC sheet metal ducting and copper piping, as well as "HOW" (Head-Of-Wall) joint between top of concrete block wall and underside of concrete slab, firestopped with ceramic ...

4. Gooseneck (piping) - Wikipedia

   en.wikipedia.org/wiki/Gooseneck_(piping)

   Gooseneck vent with check valve being repainted. A gooseneck (or goose neck) is a 180° pipe fitting at the top of a vertical pipe that prevents entry of water. Common implementations of goosenecks are ventilator piping or ducting for bathroom and kitchen exhaust fans, ship holds, landfill methane vent pipes, or any other piping implementation exposed to the weather where water ingress would ...

5. We’ve Found 100 Products That Pandas Keep Coming Back ... - AOL

   www.aol.com/panda-hall-fame-100-products...

   Review: "Easy to install and does a great job. I like the fact that the chemical only goes into the bowl, not the tank. ... #47 Your Dryer Will Thank You For The Deep Clean With This Dryer Vent ...

6. How to Stop Birds from Nesting in Unwanted Spots: 7 ... - AOL

   www.aol.com/lifestyle/stop-birds-nesting...

   Nests in dryer vents and chimneys, or near electrical equipment or outdoor lighting, increase the risk of fire. ... This may involve installing birdhouses or planting evergreens and other trees ...

7. Washer-dryer - Wikipedia

   en.wikipedia.org/wiki/Washer-dryer

   Most washer dryer combos are ventless and are designed with drying systems that work differently from the ordinary stand-alone (vented) dryer. Instead of venting moist hot air to the outside, like a conventional dryer would, the combo unit makes use of condensation similarly to condenser dryers. Hot dry(er) air enters the drum from either the ...