This fall, warm weather is predicted across much of the eastern United States, while developing dryness and worsening drought conditions will grip the majority of the western United States, and frequent showers will result in cooler air in the Northwest....More
According to the U.S. Energy Information Administration, commercial buildings account for approximately 20 percent of annual energy consumption in the United States. Within commercial buildings, a significant amount of energy is used by HVAC systems, including fans....More
Advertisements in 1943 encouraged Americans to join and support the war effort. Large machines, ships, and trucks were popular visuals; unification and work were common themes. Here is a selection of advertisements that appeared in HPAC Engineering in 1943....More
We all know the importance of comfort in schools and comfort’s relationship with student performance. While temperature gets the lion’s share of attention, equally important are noise, humidity, and ventilation....More
Revisions to the majority of chapters, including major updates related to thermal storage and district heating and cooling, are included in the newly published 2016 ASHRAE Handbook – HVAC Systems and Equipment....More
The energy-recovery wheels at Anna Jaques Hospital had reached the end of their useful life. With no way to effectively clean or restore the wheels and the manufacturer no longer supporting the product, the hospital was forced to remove the energy-transfer media and forgo the benefits of energy-recovery ventilation....More
Ron Wilkinson, a professional engineer who moonlights as a film critic, takes a look at this surreal 2013 drama starring Robin Wright as part of HPAC Engineering’s ongoing series “HVAC in Popular Movies: Did Hollywood Get It Right?”...More
With the United States having entered the second world war, print advertisers focused on strong and pro-American imagery in 1942. Calls to action included donating scrap for the war effort, enlisting in the war effort, and defending America at all costs. This article features advertisements that appeared in HPAC Engineering in 1942....More
NIBE Industrier AB, parent company of WaterFurnace International, announced it has entered into an agreement to acquire 100 percent of LSB Industries Inc.’s Climate Control Group Inc. for USD 364 million....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