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"What are the most important key performance indicators? There are, for example, indicators defining the temperature changes in reference rooms. This includes what is referred to as hours of overheating in summer. If the room temperature exceeds 26 degrees Celsius during more than 10 percent of the hours of use during a year, the room comfort is no longer achieved. Other indicators measure air quality. For example, there are CO2 sensors or so-called VOC-sensors that detect certain scents emitted by the users themselves. If the data exceed certain values, the performance in terms of air quality is not considered as good. In addition, there are energy performance indicators, such as an indicator for the overall energy efficiency of a building. We simply measure the energy that is supplied to the building. We then compare the data to pre-calculated values. We can then evaluate whether the building achieves the desired energy performance. Another indicator is the so-called net energy consumption. This is the energy that users actually have to pay for. "

H.P.Valves manufacturing and exporting a pressure reducing valve India, pressure reducing valve supplier and type of hydraulic, air, steam, pressure reducing valves and also pressure safety relief valve in Ahmadabad.

Imports of copper tube to Japan fell by 36% m-o-m in September to reach 1,271t according to Japan's Ministry of Finance. September's import total was up by 44% y-o-y but still represents the lowest level seen since February 2011. The situation is attributed to recent copper tube supply being very tight due to record air conditioner sales between February 2010 and September 2011 that peaked in August 2011. Since then, there has been a significant easing in copper tube availability as air conditioner manufacturers have opted to drawdown stocks, effectively reducing tube demand. The market is expected to tighten again in 2012 if Hitachi Cable executes its plans to exit from domestic copper tube production.

this new so-called Klimatic Base 1 AirWater Machine does its share of inventive (but not entirely unique) water purifying nonetheless, with it promising to pull drinkable water out of the air. That's done, as you might have guessed, with the aid of an apparently standard dehumidifier, which gets paired with several filters and a UV light chamber that the company says will eliminate any bacterial content that might be in the water.

Thieves are going after air conditioning units around the Triangle, hoping to sell copper piping they take from inside them.

Japanese output of copper and copper alloy fabricated products increased by 5.4% to 73,680 tonnes in November, slightly down from 74,079 tonnes in October, according to the Japan Copper and Brass Association. This figure includes sheets and tubes, mainly used in automobiles and construction. Demand for copper products was supported by both local consumption and overseas shipments. This year's hot weather has boosted demand from the air-conditioner sector, where manufacturers have been building up inventories after robust sales in the summer.

The China Electronic Appliances Service and Maintenance Association reported that sales of air conditioners increased by 60.7% y-o-y to 40M units in H1 2011. Copper constitutes over 26% of the manufacturing cost of air conditioners.

It was reported that Gree Electric Appliances, a state owned manufacturer of air-conditioners, recorded a 65%y-o-y increase in exports in Q3. Indonesia, Brazil, India and Africa were quoted as regions with great potential for exports. The company anticipates that the air-conditioning industry will witness a 20-30% y-o-y increase in exports in 2011. Nevertheless, Gree noted that the eurozone crisis is impacting negatively on business.

"Particular requirements for appliances to recover and/or recycle refrigerant from air conditioning and refrigeration equipment"

A recent survey by the Shanghai Metals Market of 20 major Chinese copper tube producers, with a total capacity of 1.2Mt/y, showed that operating rates in December increased to 73.41%, up 2.29 percentage points from November. The survey cited increased production in China's air conditioner sector as a reason for the uptick in utilisation rates at tube producers. The release highlighted a separate survey of air conditioner manufacturers, which showed a pattern of inventory restocking, with finished inventories increasing for four straight months. The SMM survey also revealed that producer's inventories of raw materials for the production of copper tube had fallen to 12.78% of production in December, down 2.92 percentage points from November. The reason given was tighter credit conditions at the end of 2012.