The IC20 Drop-In fan from Zoo Fans is designed specifically for drop ceiling (T-bar) spaces with ceiling heights from 8 ft to 20 ft. The patent-pending diffuser has an integrated jet ball exhaust that is easy to adjust to direct the airflow.
MacroAir says it has improved on high volume, low speed (HVLS) fan technology with its new product line called AirVolution-D. MacroAir’s AirVolution-D is powered by a motor technology called D-Drive, which is a compact electric motor capable of handling the consistent torque requirements of a 24-ft diameter industrial fan. At the heart of AirVolution-D is a motor design which the company says delivers 50% more mechanical horsepower and 75% more wind power than current HVLS fans on the market.
A few are more familiar and worth a reminder, while some are pretty sneaky. Others may have gotten there before the first occupant. In any event, any “sustainable facility” can sustain IAQ damage without attention to these sorts of risks.
Five sizes of Rosenberg's electronically commutated (EC) backward curved fans are now available with 5.5 kW motors for greater power and efficiency. The new fans feature three-phase motors with nominal input voltages of 230V and 460V. They are 100% speed controllable and are CE, UL, and RoHS approved.
From a missing pipe hanger three floors down to steam traps past their prime, these stories show how steam system problems can originate inside the boiler room or far beyond it. Read more in February issue.