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2. 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 ...

3. 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.

4. Air source heat pump - Wikipedia

   en.wikipedia.org/wiki/Air_source_heat_pump

   Heat pump on balcony of apartment. An air source heat pump (ASHP) is a heat pump that can absorb heat from air outside a building and release it inside; it uses the same vapor-compression refrigeration process and much the same equipment as an air conditioner, but in the opposite direction.

5. Holmes on Homes - Wikipedia

   en.wikipedia.org/wiki/Holmes_on_Homes

   Because the show is a television series, costs for the homeowners, who are likely to be strapped for cash due to the previous contractors' mistakes and/or frauds, are kept to a minimum (10% to 20% of the cost of repair). Some contractors hired on the show have even donated time, materials, and labor to help homeowners in need.

6. Willis Carrier - Wikipedia

   en.wikipedia.org/wiki/Willis_Carrier

   Willis Haviland Carrier (November 26, 1876 – October 7, 1950) was an American engineer, best known for inventing modern air conditioning.Carrier invented the first electrical air conditioning unit in 1902.

7. Arizona - Wikipedia

   en.wikipedia.org/wiki/Arizona

   This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. U.S. state This article is about the U.S. state. For other uses, see Arizona (disambiguation). State in the United States Arizona State Flag Seal Nicknames: The Grand Canyon State; The Copper State; The Valentine State Motto: Ditat Deus ('God enriches') Anthem: "The Arizona March Song ...