Greenheck’s new Model APD plenum fan features a direct drive fan with the wheel connected to the motor shaft. With no fan shaft bearings or belts to maintain, the company says its Model APD eliminates the cost and maintenance associated with traditional belt drive plenum fans.
Rosenberg introduced its new electronically commutated Unobox fans for data center cooling retrofits. The company has now expanded the Unobox line to include standard AC models for use in harsh environments or where variable frequency drives are already employed.
Boiler Maintenance & Lifecycle Costs; Proper upkeep can seem like a high bar, but it's nothing compared to a drain on the budget, an avoidable full replacement, or an on-site incident, read more in January issue.