Looking to broaden and deepen your knowledge about nonresidential-building indoor-air quality (IAQ) and ventilation? Here is your guide to HPAC Engineering's most-viewed IAQ- and ventilation-related content.
Are you looking to expand your knowledge and/or sharpen your skills in a particular area of HVACR? Do you have certification requirements you need to meet? Here is a list of upcoming industry education and training events....More
Last month, in Part 1 of this article, we discussed air-stream characteristics, capacity, and pressure. This month, the article concludes with discussion of power, efficiency, and fan and system curves....More
International Exposition Co., owner and manager of the International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo), recently announced the recipients of 2017 AHR Expo Innovation Awards.
Carrier recently introduced an updated website providing easy access to training opportunities and materials for HVAC-system designers, service technicians, facility managers, and installers and educators....More
The 2015 Washington State Energy Code includes a provision mandating decentralized ventilation for delivery of 100 percent outside air independent of heating and cooling systems. This article provides an overview of the provision and an important exemption for high-efficiency VAV systems....More
Concerned about underperformance, designers tend to compensate for uncertainties by adding capacity to fans. Oversizing fan systems creates problems that can increase costs and decrease reliability. This article explains how to evaluate fans and fan systems and their impact on operating costs....More
Though not required until December, 2022, the new UL 60335-2-40 standard is currently active for matched and packaged air conditioners/heat pumps (no standalone systems), liquid chillers and hydronic fan coil units, hot water heat pumps, dehumidifiers and supplemental heaters (designed as part of an appliance package).
A data center or IT room uniquely alters the requirements of a building management system (BMS). This is primarily because of the criticality of IT and its dependence on facility infrastructure. IT’s reliance on power and cooling systems makes a BMS an important part of a larger data center infrastructure management (DCIM) solution that brings together Facilities and IT. The cooperation and information sharing better ensures uninterrupted and efficient operation....More
A lot of leading building automations systems (BAS) are touted as being open. But what does that really mean? And does being open mean that building owners and operators are getting the most out of their BAS investments?
During this webinar, Johnson Controls BAS experts will examine the definition of openness and advise on what to look for from a BAS provider when secure interoperability and ease of integration is paramount. Because a unified intelligent infrastructure provides better interoperability so businesses run more efficiently....More