EdmondsUSA says it has brought to America the first hybrid commercial rooftop ventilator, the ecoPOWER. Available in 3 sizes — 16-in, 24-in, and 36-in diameter throats — the ecoPOWER is a rooftop ventilator that combines gravity and motorized ventilation.
Reliable Controls has released the MACH-Pro1 and MACH-Pro2, fully programmable, BACnet® building controllers (B-BC). The MACH-Pro1 is designed for mid-sized rooftop equipment or small mechanical room applications, while the MACH-Pro2 provides expanded capabilities ideally suited to large, MS/TP rooftop equipment and mid-sized mechanical room applications.
These Seismic/Wind-load Rated Bases for secured rooftop mounting of equipment are manufactured to IBC/ASCE7 rated requirements by Thybar Corp. Manufactured to meet code and designed to be competitively priced, each base is custom manufactured due to the varying specifications of rooftop units and IBC/ASCE7 requirements. Delivery is usually within two weeks after receipt of the order.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.