A 251-site test-and-balance field study across forty national and regional quick-service brands found 91% running net-negative pressure, 46% of make-up air units not working, and a median imbalance of nearly 1,900 CFM.
As Japan aggressively pursues carbon neutrality and reimagines its energy mix, the world watches to see if these bold steps can serve as a template for sustainable growth.
From tree forts to global standards, new ASHRAE president Bill McQuade is shaking up the HVAC world with a vision that puts human health and comfort front and center.
Installed in 1981, an HDPE cooling tower at Radio Frequency Company has operated continuously for over 40 years – far surpassing the typical lifespan of metal models.
Written by Brett Hopkins of Trelleborg Sealing Solutions R&D, ES NEWS’ latest Case in Point examines how new refrigerants and elastomer technologies are impacting HVAC compressor design and reliability.
Air cleaners are either subtractive or additive. Subtractive devices, like fiber or carbon filters, physically remove particles or chemicals from the air. Additive devices release substances into the air to neutralize microbes or chemicals.
Howie McKew, Tomorrow’s Environment columnist for ES NEWS,
explores the evolution of boiler technology, highlighting shifts since the 1972 energy crisis.
