Listed on the National Register of Historic Places, Memorial City Hall featured a wheezy steam boiler and no air conditioning—just gusty window and ceiling fans that seemingly blew only hot air (and papers), causing employees to swelter through hot summers, with temperatures topping 95°F in some offices....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
Has your organization retrofitted burners and controls on its boilers because of U.S. Environmental Protection Agency-mandated emission regulations and then experienced operational issues? The owner of a large manufacturing-and-assembly facility in the Midwest did, and while conducting an operational review there in mid-2014, I experienced firsthand the frustrations of the plant engineering staff....More
Recently, a Northeast Ohio dialysis provider discovered the original boiler systems at two of its locations were failing. Both facilities had old, inefficient non-condensing boiler systems that were extremely unreliable, resulting in higher energy bills....More
Designers of the domestic-hot-water (DHW) plant for the Sagewood retirement community faced two challenges: deliver a continuous supply of DHW for a health center and meet the variable DHW needs of the condominiums and laundry....More
I began my professional life as a watchstander aboard a nuclear submarine for the U.S. Navy. My job was to tour the propulsion plant and monitor equipment temperature and pressure, all with the goal of ensuring systems and components stayed within design specifications....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
Early one January morning in northeast Montana, where even moderate winter conditions result in wind chills of 50 below, Twitch Griswold, facilities manager for the U.S. Customs and Border Protection station in Big Beaver, calls his old friend Johnny Tundra in a panic—the building’s four boilers are tripping out on high temperature every time Twitch turns around. Luckily for him, Johnny has his back.
The owner and the manager of an apartment complex for senior citizens in Bloomfield, N.J., are being sued by the family of an 82-year-old man the family claims was "cooked alive" by the building’s defective heating and cooling system....More
As part of a multiyear renovation, Grant Towers at Northern Illinois University received upgrades of its mechanical systems. The triangular shape of the 50-plus-year-old buildings presented a significant challenge....More
Samsung HVAC has embarked on its first-ever U.S. roadshow, crisscrossing the country with a 53-ft trailer displaying residential, light-commercial, and commercial products, controls, and overall solutions....More
The Performance Climate Changer air handler provides energy efficiency, good indoor-air quality, and quiet performance, along with the ability for full integration into a building management system....More
When fully utilized, Building Management Systems (BMS) offer facility managers many advantages. Harnessing building data to help correct root-cause energy inefficiencies is one area that is increasingly important yet challenging. This paper shows how leveraging BMS data through building data analytics software and combining it with expert engineering services creates actionable intelligence that can reduce HVAC energy costs by up to 30%....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 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