Taco has expanded its suction diffuser line with three new sizes: 4- by 2.5-in, 5- by 3-in, and 8- by 5-in sizes. Taco says its suction diffusers incorporate numerous features into one device that simplifies installations and reduces installation costs.
Bitzer says its new Ecoline reciprocating compressor series is now more versatile and available for use with R134a, R404A, R407A, R407C, R407F, and R507A. With the new series, the company claims it is transferring all the advantages of the Ecoline series for R134a refrigerant to an even broader range of applications.
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.