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  2. Consumer Reports is a United States-based non-profit organization which conducts product testing and product research to collect information to share with consumers so that they can make more informed purchase decisions in any marketplace.

  3. Heating, ventilation, and air conditioning - Wikipedia

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

    Air-side economizers also use outside air to condition spaces, but do so using fans, ducts, dampers, and control systems to introduce and distribute cool outdoor air when appropriate. An important component of natural ventilation is air change rate or air changes per hour : the hourly rate of ventilation divided by the volume of the space.

  4. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    The first mini-split system was sold in 1961 by Toshiba in Japan, and the first wall-mounted mini-split air conditioner was sold in 1968 in Japan by Mitsubishi Electric, where small home sizes motivated their development. The Mitsubishi model was the first air conditioner with a cross-flow fan.

  5. Consumer Reports - Wikipedia

    en.wikipedia.org/wiki/Consumer_Reports

    In 1971, Bose Corporation sued Consumer Reports (CR) for libel after CR reported in a review that the sound from the system it reviewed "tended to wander about the room". [75] The case eventually reached the United States Supreme Court , which affirmed in Bose Corp. v. Consumers Union of United States, Inc. that CR 's statement was made without ...

  6. Best Gas Grills of 2022, according to Consumer Reports - AOL

    www.aol.com/news/best-gas-grills-2022-according...

    SEE ALL Consumer Reports product reviews. ... It has three burners, electronic ignition, and two side shelves. Permasteel PG-40301-BK. Permasteel PG-40301-BK $355.74 at Wayfair.

  7. Variable refrigerant flow - Wikipedia

    en.wikipedia.org/wiki/Variable_refrigerant_flow

    Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. [1] Similar to ductless mini-split systems, VRFs use refrigerant as the primary cooling and heating medium, and are usually less complex than conventional chiller-based systems.

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