Weil-McLain® is now offering an enhanced line of its SlimFit™ high-efficiency condensing gas boilers. The company says new features include improved boiler-to-boiler communication, Modbus® and BACnet® for linking with BAS, express set up wizard, 10 preset typical heating systems, and updated controls interface for simpler navigation, at-a-glance boiler status, diagnostics, and troubleshooting.
The new Premium Efficiency vertical stacked water source heat pumps (VSHPs) from Johnson Controls offers efficiency as high as 16.6 EER and up to 18.5 EER in ground loop (geothermal) applications. The company says the design allows for simple zoning, tenant metering, and building expandability.
All Laars commercial NeoTherm boilers now come with a large color touch screen as standard equipment. The company says the screen allows quick access to the control’s full functionality. A new variable speed boiler pump control option, VARI-PRIME™, is also available that optimizes total installed efficiency by matching boiler input modulation to pump flow.
The new 2014 AQ Pro by E Instruments is an all-in-one tool for indoor air quality monitoring and real-time data logging. The product is ideal for IAQ analysis in hospitals, schools, labs, clean rooms, airports, and more. Multiple parameters can be monitored by customizing up to three gas sensors at one time.
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.