Johnson Controls has extended its TempMaster® line to include OmniElite™ single package rooftop units. Available in 50- to 65-ton cooling capacities, the company says its new units offer a footprint up to 20%smaller than competing units, double-wall construction, single-point power connection and efficiency ratings that exceed ASHRAE 90.1 standards.
The Air-Conditioning, Heating, and Refrigeration Institute announced that its Controls Product Section will be divided into two new sections: Air Conditioning & Refrigeration (ACR) Electronic Controls and Gas Controls.
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.
The York Direct Fit rooftop replacement solution from Johnson Controls now includes a full line of 3- to 8.5-ton packaged heat pumps. Like other products in the Direct Fit series, the company says its heat pumps feature an exact-fit replacement design that matches the units to footprints of other manufacturers’ units and reduces installation time, cost, and complexity by eliminating the need for a curb adapter.
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.