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The article reports about the Masterclass series of articles that covers various topics that has something to do with air conditioning and refrigeration. Categories of control systems are discussed and these included controls necessary for correct operation of a system, controls that make a system safe and those that ensure the correct design conditions. Drier selection, liquid line solenoid valve (LLSV) and thermostatic expansion valve were also discussed.

The article focuses on the views of the author on educating consumers by air conditioning and refrigeration contractors (ARC) on advancement in air conditioners for heating in winters for stable course of business for the ARC industry. Topics discussed include developments in air conditioners with heating and cooling options by the manufacturers and air conditioners being controlled by remote devices such as smartphone and tablet computers through internet.

The article reports on how Copper Box, a sporting venue in Great Britain, was designed to maximize energy efficiencies. Topics discussed include the engineering solutions required to provide a controlled heating, ventilating, air conditioning (HVAC) environment to sporting venues, the selection of HVAC contractor Eaton-Williams to design the Copper Box's indoor environment, and the 12 air handling systems designed by Eaton-Williams to deliver cooling while minimizing carbon emissions.

The article discusses developments in energy efficient air conditioning systems. It notes that lack of integrated controls to manage cooling and heating systems previously hampered the efficiency of air conditioning systems. It describes how centralized control technology for virtual routing and forwarding (VRF) systems can facilitate management of air conditioning units and facilities equipment at less energy costs.

The article discusses the results of a study conducted on behalf of Ergo, a contractor for climate control and building services, which found that poor airconditioning control and maintenance that results in too much heat or cold, has a negative effect on office productivity.

The article discusses the need for maintaining cool temperature at school for students. According to the author, schools suffer from greenhouse effect during the months of May, June and September. He also discusses how a hot classroom could affect a students during examinations. The author suggests some ways on how the school can make a cooler environment in the classroom.

The article reports on the development of wireless air conditioning controllers by Mitsubishi Electric which can also control other electrical systems in a building. It is based on Machine to Machine (M2M) technology materialized in the last 10 years. Sebastian Desmottes, Mitsubishi product marketing manager said that the device brings more advantages to a wider audience.

The article reports on a new remote commissioning idea for fan coil and chilled water systems of air-conditioning systems. Martin Lowe of Marflow Hydronics says that the specifier and installer have full control of the installation set-up from start to finish. Lowe also says that the method sets up a new single station balancing (SSB) system and does away with the old method of proportional balancing.

The article reports that Airedale has added a purpose-built hemi-anechoic chamber to its sound testing facilities in Leeds, England. Products being tested include close control units, small air cooled chillers, and DX or chilled water units. According to the company's test centre manager John Booth, the new chamber enables all their product lines to be performance tested and provides accurate performance data.

The article reports on a survey which states that uncomfortable office temperatures is the primary reason for employee dissatisfaction in Europe. The poll conducted by Canon revealed that 52% of Czech employees were annoyed by poor-airconditioning in their offices. It states that British and Irish workers tend to lose their temper when they are being spoken down to by a boss or colleague and when employees left paper jams in printers for others to fix.