By TOD W. SHERMAN, Tybec Energy Management Specialists Inc., Lititz, Pa.
Natural-gas prices in March reached a new 10-year low, and they aren’t likely to go anywhere in a hurry. Record production of shale gas, coupled with the fourth-mildest winter on record, are keeping energy prices down.
Registration for Mechanical Systems Week 2012, a national seminar and product showcase devoted to HVACR, hydronics, and plumbing taking place Sept. 19-21 in Schaumburg, Ill., is open.
The i-maxx by ebm-papst– Intelligent fans for smart savings
Most axial fans of the "compact class" still use the old shaded-pole motor AC technology, despite the very poor efficiency of these motors compared to DC technology. Until recently, the main barrier to improvement has been that DC technology could not be operated directly from the AC mains supply. A solution is now available with i-Maxx technology from ebm-papst. The i-Maxx retains the mounting dimensions of the equivalent AC fans and provides the capability to operate on AC mains power around the world, while reaching efficiencies of up to 30%! Read more at the ebm-papst website!