The CRD-310WT damper is UL approved for use in 20 UL classified floor/ceiling and roof/ceiling assemblies making the CRD-310WT and SP-A combination a versatile code compliance option, ideal for bathrooms and storage areas in multifamily structures, condos, hotels, hospitals, and schools.
UV Resources says the SLX ultraviolet fixture efficiently and affordably disinfects HVACR air streams, cooling coils, and drain pans to keep them free of infection-causing and efficiency-robbing microorganisms and organic matter.
HEMCO has released a complete line of belt and direct drive exhaust blowers which are chemical resistant and available in standard and explosion proof models. Company reps said the blowers are designed to operate effectively and efficiently to remove hazardous fumes from a fume hood.
The new Mega-Stack option for Greenheck’s Model FJI FumeJet® fume exhaust fan offers extended discharge from 10-15 feet in overall stack discharge height, making it ideal for low flow applications requiring higher plume rise.
Larson Electronics released an 80-watt explosion proof 12-inch exhaust fan recommended for use in hazardous locations and with toxic gas sensors (not included). This 850-cfm unit is weather resistant and wall mounted featuring internal motorized and external fixed louvers.
Heat Pipe Technology (HPT) is now offering a “split passive” HRM-V™ with Dynamic Seasonal Offset™. HPT says its growing line of heat pipes offers economical and reliable energy recovery from building exhaust air for preheating or precooling of ventilation air.
Greenheck’s newly designed Premium Model SP bathroom exhaust fans now offer low sound ratings as low or less than 0.3 sones. Available in six sizes, SP-A50 through SP-A190, the fan features insulated housings and vibration isolators between the motor and housing to contribute to quiet operation.
Greenheck says its new FumeJet pre-engineered, centrifugal fume exhaust packaged models offer extended discharge to reduce and prevent exposure to harmful fumes and odors outdoors. Designed per ANSI Z9.2 standard for local exhaust systems, Models FJC and FJI aim to provide a compact footprint with motors and drives located under a common weatherhood.
Engineered Systems magazine’s September 2019 issue questions the need for multiple building codes that cover the same subjects, examines the dos and don’ts of power systems for critical facilities, offers tips on how to select the proper centrifugal pump circuit flow controls, and much more.