Howden American Fan Company is offering the BCS Backwardly Inclined Fan for air purification in applications like woodworking, chemical mixing, welding, dry storage, and more. The BCS fan delivers non-overloading horsepower characteristics and stable performance over the entire pressure curve for maximum efficiency.
Construction spending slipped in November from a month earlier but maintained a strong rate of year-over-year growth in all major categories, according to an analysis by the Associated General Contractors of America.
Strong demand for construction projects fueled job growth in November in 38 states compared to October and in all but six states over the past 12 months, according to the Associated General Contractors of America.
Johnson Controls has released a new Dedicated Outdoor Air System (DOAS) that meets ASHRAE 62.1 fresh air requirements. The company says the DOAS delivers up to 100% clean, dehumidified outside air in all weather and climate conditions.
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.