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2. Air-mixing plenum - Wikipedia

   en.wikipedia.org/wiki/Air-mixing_plenum

   Air streams are mixed to save energy and improve energy efficiency by partially recirculating conditioned air.. The most common application for an air-mixing plenum is the mixing of return air (or extract air) with fresh air to provide a supply air mixture for onward distribution to the building or area which the ventilation system is serving. [1]

3. Best HVAC Systems 2024: Energy Efficiency and Cost Savings - AOL

   www.aol.com/best-hvac-systems-2024-energy...

   Best HVAC Systems 2024: Energy Efficiency and Cost Savings. Sara Kendall. April 30, 2024 at 11:15 AM. SPONSORED CONTENT is content paid for by a partner. McClatchy's Commerce Content team, which ...

4. Liebert Corporation - Wikipedia

   en.wikipedia.org/wiki/Liebert_Corporation

   In 1965, Liebert founded Liebert Corporation as the first manufacturer air conditioning units with temperature and humidity controls specific for computer room applications. [3] In 1977, Liebert launched Conditioned Power Corporation to design and manufacture power distribution, conditioning and monitoring systems for the data processing industry.

5. Underfloor air distribution - Wikipedia

   en.wikipedia.org/wiki/Underfloor_air_distribution

   While overhead systems typically use ducts to distribute the air, UFAD systems use the underfloor plenum formed by installation of a raised floor. The plenum generally sits 0.3 and 0.46 metres (12 and 18 in) above the structural concrete slab, although lower heights are possible.

6. Plenum space - Wikipedia

   en.wikipedia.org/wiki/Plenum_space

   A plenum space is a part of a building that can facilitate air circulation for heating and air conditioning systems, by providing pathways for either heated/conditioned or return airflows, usually at greater than atmospheric pressure.

7. Sheet Metal and Air Conditioning Contractors' National ...

   en.wikipedia.org/wiki/Sheet_Metal_and_Air...

   The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA; pronounced 'Smack'-'Nah') is an international trade association with more than 4,500 contributing contractor members [1] in 103 chapters [2] throughout the United States, Canada, Australia and Brazil.