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Shop-Vac, also known as Shop-Vac Corporation, is an American wet/dry vacuum manufacturer headquartered in Williamsport, Pennsylvania. Currently, Shop-Vac is owned by Hangzhou GreatStar Industrial and shares a facility with SK Hand Tools .
Similar design to the DC30/31/34 but with detachable extension tube, modified electronics and motorised brush head. Launched in 2009. It was replaced by the DC44 and DC59. [33] DC44 2012 The Dyson Digital Slim DC44 is a cordless handstick vacuum cleaner which uses the same motorised brush head as the DC35 as well as the Radial Root Cyclone ...
Diagramatic operation of a thermal wheel Ljungström Air Preheater by Swedish engineer Fredrik Ljungström (1875–1964). A thermal wheel, also known as a rotary heat exchanger, or rotary air-to-air enthalpy wheel, energy recovery wheel, or heat recovery wheel, is a type of energy recovery heat exchanger positioned within the supply and exhaust air streams of air-handling units or rooftop ...
An air conditioning system, or a standalone air conditioner, provides cooling and/or humidity control for all or part of a building. Air conditioned buildings often have sealed windows, because open windows would work against the system intended to maintain constant indoor air conditions.
A zone valve is a specific type of valve used to control the flow of water or steam in a hydronic heating or cooling system. In the interest of improving efficiency and occupant comfort, such systems are commonly divided up into multiple zones. [ 1 ]
Automatic dustpans (e.g. "Vacpan" or "KickSweep") can be installed in the kickspace under a kitchen, bathroom, or workroom countertop, enabling a person to use a standard broom to sweep debris directly into a vacuum inlet located there. [4] [7] [8] Alternatively, a "DrawerVac" inlet which pulls out like a drawer from the underside of a table or ...