ASHRAE standard 90.1’s goal to progressively reduce building energy usage has resulted in the steady introduction of additional requirements to each new version of the standard.

We’re trying something different this year. Finding ourselves yet again unable to bend the time-space continuum so we could give you print coverage of the AHR Expo and winter ASHRAE meeting in February’s issue, we decided to go ahead and serve up two features of more in-depth coverage in March.

I recently commissioned a project that involved replacing eighty 2-pipe, dual-temperature fan-coil units in a nearly 40-year-old high-rise condominium.

Years after an HVAC engineer starts to design closed-loop water systems and then progressively moves up the ladder of engineering success, he can forget and/or overlook many of the issues, concerns, details, opportunities, etc. associated with engineering these systems.

While in Las Vegas at the ASHRAE conference and AHR Expo, I visited the colossal Hoover Dam built over a remarkably short time of five years (1931 to 1936).

Each year, the AHR Expo honors HVACR manufacturers with its Innovation Awards.

A funny thing happened on the way to the “Should ASHRAE Pursue A Net-Zero Standard?”  forum sponsored by ASHRAE TC 2.8 – Building Environmental Impacts & Sustainability.

The Hunter Museum of American Art in Chattanooga, TN is a 77,000-sq-ft facility perched on an 80-ft bluff overlooking the beautiful Tennessee River.

Cleveland-based Euclid Chemical has been supplying the construction industry with products to improve the strength, appearance, and usability of concrete since 1910.

Famous mathematician Edward Lorenz coined the phrase “The Butterfly Effect,” which is the belief that some small occurrence could create devastating results in another location far away.