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2. Heating, ventilation, and air conditioning - Wikipedia

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

   Air handling unit, used for heating, cooling, and filtering the air. Air cleaning and filtration removes particles, contaminants, vapors and gases from the air. The filtered and cleaned air then is used in heating, ventilation, and air conditioning. Air cleaning and filtration should be taken in account when protecting our building environments ...

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. Process duct work - Wikipedia

   en.wikipedia.org/wiki/Process_Duct_Work

   Although round duct work costs more to fabricate than rectangular duct work, it requires fewer stiffeners and is favored in many applications over rectangular ductwork. The air in process duct work may be at ambient conditions or may operate at up to 900 °F (482 °C).

5. 20 Ways to Lower Your Electric Bill This Winter

   www.aol.com/finance/20-ways-lower-electric-bill...

   The upcoming winter season is expected to be “wet and cold for most locations,” according to the 2024 Farmer’s Almanac. That means now is a good time to figure out how to lower heating costs ...

6. How To Prepare Your Home Ahead of Winter With 6 Items Under $20

   www.aol.com/finance/prepare-home-ahead-winter-6...

   To stay prepared, Musson recommended buying a gutter cleaning kit. Amazon has a Layhit gutter cleaning kit for $17.99. “This cleaning kit can clear your gutters to lower your risk of ice dams ...

7. Air sock - Wikipedia

   en.wikipedia.org/wiki/Air_sock

   Air sock in an indoor swimming pool. An air sock is a textile or fabric duct used for draught-free air distribution and delivery of conditioned air as an alternative to traditional spiral or rectangular steel ducts with grilles and diffusers. Fabric ducts are usually cheaper in material cost, do not require additional diffusers, and can be ...