The new Danfoss OJ ETO2 Snow Melt controller offers an t all-in-one control solution for ice and snow melting suitable for any application which uses hydronic or electric heating, including driveways, parking lots, sidewalks, stairs, ramps, bridges, and more. Danfoss officials claim the ETO2 offers an environmentally-friendly method of snow melting by eliminating the need for chemical treatments.
Daikin AC has introduced the new web-enabled Daikin ENVi intelligent thermostat for use with single- and multi-split systems. The Daikin ENVi is accessible via the web for monitoring, schedule and setpoint changes, alerts, and service reminders. The high-resolution color LCD screen is backlit for easier visibility.
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.