Ebm-papst says it has developed a new EC fan line that ensures efficient, economical, and quiet operation. The size 500 axial fans from ebm-papst were specially engineered for use in outdoor heat pumps and have now been optimized for energy efficiency and noise reduction.
All Laars commercial NeoTherm boilers now come with a large color touch screen as standard equipment. The company says the touch screen allows for quick access to the control’s full functionality in a user friendly interface. 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.
Unfortunately, the potential threats to building occupants are varied and increasing. To adapt properly, let’s look at the culture change needed in the design process. Commissioning, recommissioning, and preventive maintenance are further pieces of a strategy to assure ongoing safety.
Johnson Controls introduced its new TEC3000 Series thermostat controllers. The company claims these direct hardware replacements for TEC2000 Series thermostats reduce installation time by loading all configuration files and parameters at once using a USB stick. The thermostats also offer rapid-speed commissioning by using the USB stick to commission multiple TEC3000s of the same model.
Spirax Sarco has released a range of desuperheaters that offer an effective solution for steam conditioning and enhanced thermal energy transfer. The company says its desuperheaters provide the answer when precise control and reduction of superheated steam temperature is required.
Century Refrigeration, a division of RAE Corporation, has released the new Centinel™ Intelligent Defrost Control System. Company officials report that the control system improves refrigeration system energy efficiency, eliminates icing and fogging, and reduces operating costs.
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.