A newly published document from ASHRAE and IES gives users of their energy efficiency standard immediate access to an optional third path for compliance, providing more flexibility for the industry, according to the associations.
The Appliance Standards and Rulemaking Federal Advisory Committee (ASRAC) approved an agreement reached by manufacturers and energy efficiency advocates acting as part of a working group to set new energy efficiency standards for walk-in coolers and freezers (WICF).
According to ASHRAE, while many building rating programs exist worldwide, there is nothing in the industry that standardizes the contents of these programs, ensuring users are knowledgeable about what impacts their rating.
Ten online professional development seminars focused on commissioning, environmental quality, energy efficiency, HVAC applications, and standards and guidelines are being offered this fall by the ASHRAE Learning Institute (ALI).
The ability of engine-powered generators to start and supply standby power of acceptable frequency and voltage within 10 seconds of a utility outage has made these generators the standby power system of choice for a wide variety of facilities including mission critical.
Ziehl-Abegg has introduced its new ZAvblue impeller, which the company claims is up to 20% more efficient than other standard products. The company also says the bionic design of the new impeller requires significantly less space in the customer device. Equipment designers can now generate the current airflow with impellers that are one size smaller.
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.