HVAC

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HVAC

[¦āch¦vē¦ā′sē or ′āch‚vak]
(civil engineering)
The abbreviation for heating, ventilation, and air conditioning systems, used in building design and construction.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

HVAC

1. Abbreviation for heating, ventilation, and air conditioning, which all seek to provide thermal comfort, acceptable indoor air quality, and reasonable installation, operation, and maintenance costs.
2. A rating system, seasonal energy efficiency ratio (SEER), used to measure the efficiency of central air conditioners and air-source heat pumps. The higher the rating, the more energy efficient it is. Air conditioners that are 14 or higher SEER meet Energy Star criteria.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

HVAC

(Heating Ventilation Air Conditioning) In the home or small office with a handful of computers, HVAC is more for human comfort than the machines. In large datacenters, a humidity-free room with a steady, cool temperature is essential for the trouble-free operation of hundreds or thousands of servers. See server farm.
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References in periodicals archive ?
Customers can now also receive servicing on their air-conditioning systems with prices ranging from QR180 to QR5,150, according to a press statement from NBK Automobiles.
Additionally, the company mentioned that manufacturing of air-conditioning systems at the two-story reinforced concrete building, will begin from 2016, raising Mitsubishi Electric Consumer Products (Thailand)'s annual production capacity from the present 5m units to 7m units, by the fiscal year ending in March 2019.
Under the proposed ordinance, UV Express vans with defective air-conditioning systems would be banned in Quezon City.
Application of HFC, which is used as a refrigerant for air-conditioning systems and automobiles, is being reexamined globally due to its high GWP and large environmental load.
The first is 'VRV system: The solution for energy saving' written by Pauleas (2007) and it explains the most basic advantages of this air-conditioning system. The second is 'Air-conditioning systems and energy saving' written by Papakostas (2005) and it makes a brief reference on the ways of energy saving and how the VRV system can be used for this purpose.
KARIYA, Japan -- DENSO Corporation has developed the first passenger vehicle air-conditioning system that uses ejector technology.
Swedish air humidity and climate control systems developer Munters AB (OMX Stockholm:MTRS) said on Thursday (30 October) that it has completed its previously announced acquisition of the Belgian air-conditioning systems manufacturer Toussaint Nyssenne.
"Operating your air-conditioning system for five minutes once or twice a month will help keep it in good condition."
The manual was first published in 1993 to assist entry-level engineers in the design of air-conditioning systems. The update includes new materials dealing with design process, indoor air quality and green design.
Member states of the European Union now have eighteen months to transpose into national law the new clauses intended to phase out and/or reduce the use of fluorinated gasses, used mainly in refrigerators and air-conditioning systems.The EU Council of Ministers, on 25 April, confirmed the agreement reached in conciliation on 31 January and adopted a Regulation aimed at reducing emissions of the 25 fluorinated gases covered by the Kyoto Protocol on the reduction of greenhouse gas emmissions (HFC, PFC and SF6).a It also adopted a Directive intended to reduce emissions from air conditioning systems with a Global Warming Potential (GWP) of over 150, applicable to new motor vehicles produced after 2011 and all vehicles after 2017.
According to Charlie Bussee, a TARDEC engineer, about 13,750 humvees in theater already have air-conditioning systems installed and 21,000 more systems have been ordered.
"When I began working on smart windows, I started to see air-conditioning systems everywhere.