air duct

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>Ensure air-conditioning ducts are cleaned regularly
Banks of elevators function like arteries, the furnace is a giant sweat gland, air-conditioning ducts are drawn-out branches of lung." Those who take this journey across time and space will doubtless echo Frances's early musings on her growing obsession: "Melies was taunting me, saying look at me, choose me, you'll be seduced, entertained as you never have been before, and you won't regret it either, not for a minute."
This allows room for someone to crawl under the foundation to install mechanical equipment such as electrical wiring and air-conditioning ducts, and give easy access to the equipment for repairs.
Air escaping from air-conditioning ducts or identification of inefficient heating and cooling transfer are also applications.
Other things you can do to keep cool air in and hot air out include sealing and insulating air-conditioning ducts (make sure any safety specifications or instructions printed on the ducts are still visible); caulking window and door frames; applying weather stripping; and patching holes in your drywall.
A chemical refrigerant circulates between the two heat exchangers, and through a series of processes takes heat energy from the inside air and dumps it outside, creating the cool breezes that come out of your air-conditioning ducts. Because there are two parts, you want to make sure that they match each other well and that the size of the total system matches the size of your house.
If corners are easily damaged and the tile flakes when cut, service life may be short in any humid area or where there are overhead pipes or air-conditioning ducts.
It can be used on interior and exterior walls, roofs, industrial ovens and other plant, air-conditioning ducts, boats and ships.
Foil-clad air-conditioning ducts are piled high on the overgrown plot where the main house stood.
In later years, for reasons best left unknown, the sunshades were removed, the roof openings were covered, massive air-conditioning ducts were added, and the windows were sealed.
Officials said the second engine on the left wing experienced a problem, with leaked oil vaporizing and apparently penetrating into the cabin through air-conditioning ducts.
Humid attics wouldn't be so bad if it weren't for leaky air-conditioning ducts. Depending on the pressures in the HVAC system and the pressures in the house created by that system, these leaks can blow cold air into the attic or suck hot, humid air into the ductwork and into floor and wall cavities.
* Originally called "duck" tape because of its water-repellent characteristic, it became known as "duct" tape during the postwar construction boom when it was used by builders to seal ventilation or air-conditioning ducts. This new application led to the color change from olive to gray.
Two public health examples are the original outbreak of Legionella pneumonia caused by biofilms on air-conditioning ducts and the outbreak of Pseudomonas infection caused by biofilms created during the production of albuterol; the latter resulted in approximately 100 deaths in the early 1990s.
With its high ceilings and exposed air-conditioning ducts and pipes, it kind of reminded me of an old chop suey house.