According to Johnson Controls, its York LX Series packaged units set a higher standard to heat and cool residential and light commercial buildings, featuring a contractor-friendly design, reliable technology, and an advanced manufacturing process. The units are 29% more efficient, earning a 14 Seasonal Energy Efficiency Ratio (SEER) rating and exceeding U.S. Department of Energy efficiency standards.
Baldor Electric Co. introduced a new line of energy efficient electric motors. The Large AC – GPM induction motor is available up to 1,500 hp. Large AC – GPM motors are available in stock ratings of 250 – 1,000 hp, 2300/4000 Volt, totally enclosed fan cooled (TEFC), foot mounted designs.
Spirax Sarco has introduced its new AEL 5 series electric actuator range for ½-in to 4-in control valves. The AEL 5 series electric actuators are reversible having linear output. Its internal components such as the PCB, positioner card, and limited switches are affixed to a more durable and sturdy aluminum support for holding and/or fitting accessories.
Mitsubishi Electric claims that its advanced line of energy recovery ventilators help to meet the growing demand for improved indoor air quality in buildings while also helping satisfy requirements of ASHRAE standards 62 and 90.1.
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.