The Commerical Air Conditioning Guide
Air conditioning or air con as its known, can be regarded as cooling
, heating, ventilation disinfecting because it is modifies the actual condition of the air.
The concept of air conditioning is thought to have been introduced in ancient Rome when' water was circulated around the inside houses through aqueducts in walls. The very first electrical large-scale air con system was invented in 1902 by Willis Haviland Carrier.
Air conditioning is referred to under the HVAC umbrella. HVAC stands for heating ventilating and air conditioning which means the technology of indoor environmental comfort. Refrigeration is often added to the international acronym hence it becomes HVACR.
Air Conditioning provides cool cleaner air in homes and commercial premises which makes for a more comfortable environment. Air conditioning is also usually found in situations whereby the climate must be controlled due to activities proceedures or circumstances. Manufacturing factories, gyms, retail outlets, offices, car show rooms are just a few examples of where air conditioning might be needed.
The benefits of air conditioning are plentiful and the benefits are normally greater than the costs on a long term basis. Air conditioning is very broadly divided into comfort and process applications.
Comfort applications ensures that the inside air environment is comfortable for the person within the building or environment, despite machinery and equipment emissions of heat and the outdoor temperature.
In the retail sector shoppers are far more likely to stay inside a store which has a comfortable environment. If its too hot and equally too cold the potential customer will disappear. In the workplace employees work more efficiently be more productive in a comfortable environment. A sports centre with air conditioning will benefit from happy members who are able to train longer and return more frequently.
Process applications provide the exact and correct environment for a specific process completely regardless of internal heat and humidity loads and external weather conditions. Although often in the same range as that required by comfort applications it is the defined needs of the process that will determine conditions and not conditions which workers would find comfortable.
Hospital operating theatres must have air filtered to high levels to reduce the risk of infection and the humidity must be controlled to limit dehydration levels of the patients. A variety of procedures require higher or cooler temperatures than the norm and they must be adhered to. For medical procedures the wrong temperature can affect the outcome of the operation.
Integrated circuit boards are produced in clean rooms by individuals who must wear special clothing. Pharmaceutical manufactuerer must operate with very high levels of air cleanliness and high control of temperature and humidity are required for the success of the process.
Maintaning air conditioning systems is imperative wether it is comfort or process application air con. A system that is not properly serviced may be running at the wrong temperature which can deem manufactured products totally worthless. A poorly maintained system can cause Legionnaires disease amongst others, through growth and spread of the micro organisms which cause this killer disease.
There are advantages whilst running a maintained air conditioning system including filtration humidification cooling, disinfection of the air provides a safe and clean hypoallergenic atmosphere in hospital operating rooms and other environments where an appropriate atmosphere is critical to patient safety and recouperation.
Air conditioning can help the troublesome symptoms of allergies such as hay fever, and help to relieve breathlessness symtoms caused by asthma. In serious heat waves air conditioning can save the lives of the elderly, babies and the vulnerable. Public air conditioned cooling centres open for the benefit of those without air conditioning at home during hot weather.
If you are responsible for project managing a new air conditioning system it is vital that you contact a specialised firm who employ qualified engineers, and have experience in your type of business sector.
They will have the knowledge to recommend the correct system in terms of application, capacity and other key requirements for the present and those anticipated in the future. They are likely to propose the correct maintenance and repair contract based on recommended system.
When seeking a HVAC contractor you may wish to know about their complaincy to health and safety at work, liabilty insurance, and other polcies and how they are policed. A reputable firm will be proud to demonstrate these factors.
by: Suzy Powell
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