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  2. BTR plc - Wikipedia

    en.wikipedia.org/wiki/BTR_plc

    The deal was a management buyout in which UniPoly Group was formed to take over most of the rubber products business of BTR plc. [31] During these years, BTR was organised in the following businesses areas: Engineering, Packaging, Materials, Building products, Polymers. [32] In 1999, BTR merged with Siebe to form BTR Siebe, which was renamed ...

  3. Huge storms are coming this week: Here are 12 things to ... - AOL

    www.aol.com/lifestyle/here-are-12-things-to-have...

    "This generator delivers plenty of power to run essential appliances, including the refrigerator, lights and even HVAC if necessary," one buyer wrote. "The build quality is solid, and the ...

  4. Heating, ventilation, and air conditioning - Wikipedia

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

    The HVAC industry was historically regulated by the manufacturers of HVAC equipment, but regulating and standards organizations such as HARDI (Heating, Air-conditioning and Refrigeration Distributors International), ASHRAE, SMACNA, ACCA (Air Conditioning Contractors of America), Uniform Mechanical Code, International Mechanical Code, and AMCA ...

  5. Automatic balancing valve - Wikipedia

    en.wikipedia.org/wiki/Automatic_balancing_valve

    A diaphragm within the valve keeps the outlet pressure constant, and this delivers a constant flow to the terminal. The added advantage of pressure independent control valves is that, when fitted with an actuator, they replace the manual balancing valve and motorized control valve with a single valve, thus reducing installation cost. [citation ...

  6. Air Movement and Control Association - Wikipedia

    en.wikipedia.org/wiki/Air_Movement_and_Control...

    The Air Movement and Control Association International, Inc. (AMCA) is an international trade body that sets standards for Heating, Ventilation and Air Conditioning equipment. It rates fan balance and vibration, aerodynamic performance, air density, speed and efficiency.

  7. Reversing valve - Wikipedia

    en.wikipedia.org/wiki/Reversing_valve

    A reversing valve removed from an HVAC heat pump for replacement. A reversing valve is a type of valve and is a component in a heat pump, that changes the direction of refrigerant flow. By reversing the flow of refrigerant, the heat pump refrigeration cycle is changed from cooling to heating or vice versa. This allows a residence or facility to ...

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