HVAC

(redirected from Air-conditioning systems)
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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.

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.

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.
References in periodicals archive ?
At present, three electric taxis, two electric light buses, nine single-deck electric buses, 50 electric light goods vehicles, 29 hybrid light goods vehicles, 19 hybrid medium goods vehicles, five hybrid public light buses, one bus solar air-conditioning system, four bus electric inverter air-conditioning systems, and the adoption of a diesel-electric propulsion system and a seawater scrubber on a ferry subsidised by the Fund have begun their trials.
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.
For the categorization of the air-conditioning systems made in this paper, the most vital sources were the two volumes for heating and air conditioning written by Sellountos (2002).
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.
In the water system, rainwater is used in lavatories, humidifiers and air-conditioning systems.
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.