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2. Hart & Cooley - Wikipedia

   en.wikipedia.org/wiki/Hart_&_Cooley

   Howard Hart and Norman Cooley established the Hart & Cooley Manufacturing Company in New Britain, Connecticut in 1901. This new company became the first in the nation to manufacture warm-air registers from stamped steel. In the 1920s Hart & Cooley, Inc. made the move to Holland, Michigan, which would be the company's headquarters for almost 90 ...

3. Category : Heating, ventilation, and air conditioning companies

   en.wikipedia.org/wiki/Category:Heating...

   Pages in category "Heating, ventilation, and air conditioning companies" The following 102 pages are in this category, out of 102 total. This list may not reflect recent changes .

4. Register (air and heating) - Wikipedia

   en.wikipedia.org/wiki/Register_(air_and_heating)

   The hot air from the register will mix with the cold air coming off the window, cool, and drop to the floor—creating good air circulation. However, the hot air must be pushed from the register with enough force (or "throw") so that it will cross the room and reach the window. If there is too little throw, the hot air will stop moving partway ...

5. 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 ...

6. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   A condensing boiler Hot water central heating unit, using wood as fuel. A central heating system provides warmth to a number of spaces within a building from one main source of heat. It is a component of heating, ventilation, and air conditioning (short: HVAC) systems, which can both cool and warm interior spaces.

7. Air source heat pump - Wikipedia

   en.wikipedia.org/wiki/Air_source_heat_pump

   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. ASHPs are the most common type of heat pump and, usually being smaller, tend to be used ...