HVAC Engineering Technology

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When a bronze valve met incompatible boiler chemicals in a hospital, the result was catastrophic: widespread system failure and costly damage, all avoidable with a single review step, says John Rophael, P.E., mechanical engineer at Engineering Design & Testing Corp. 

Dive into how chiller rotation sequences in variable flow HVAC systems can unexpectedly disrupt operations – and how refined automation logic can help keep things running smoothly.

Thanks to new alliances, real-world trainings, and ambitious climate goals, a once-niche technology is transforming the way American industry thinks about energy and sustainability.

Small-diameter copper tubes are revolutionizing HVAC/R systems by enabling higher efficiency, lower refrigerant use, and greater design flexibility to meet modern energy and sustainability standards.

Preventive maintenance keeps chillers reliable, efficient, and ready for summer’s demands – year after year.

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Boiler technicians are more than just fixers – they’re problem-solvers, mentors, and trusted partners on the front lines of industry, writes Ritchie Ware, president and CEO of Ware.

Inside the high-stakes installation of three massive steam boilers and a sprawling compressed air system at a Nebraska food plant, Rasmussen Mechanical Services overcame delays, design changes, and tight deadlines.