While variable-frequency drives (VFDs) boast increased energy efficiency as the main benefit, a small — but by no means insignificant — percentage of the drives are causing major problems in the motor they control.
The results of the survey reflect a “significant improvement” over last year’s survey, which found 70 percent of participants expected the economy to be better in 2013 than 2012, while 3 percent predicted it would be worse.
Incorporating heat exchangers with outdoor air, the Oasis Indirect Evaporative Coolers (IEC) gives minimal air filtration and enhanced supply temperatures resulting in data center power utilization efficiency (PUE) capabilities of less than 1.1.
Having already reached 4 percent saturation, industry experts are expecting the VRF slice of the market pie to grow at a marked pace in the next few years.
Carrier Corp. and Robert Bosch North America Corp., signed an agreement to form a joint venture to develop and manufacture geothermal and water-source heat pumps for the North American residential and commercial segments, the companies announced recently.