The NEWS presents the top 40 HVACR professionals under 40 years of age who are accomplishing great things in their respective positions. This is the third year we’ve asked our readers to nominate the best of the best and, indeed, they did. We received 180 entries, and picking the top 40 was incredibly difficult.
Despite being recognized for significantly improving airflow and heat-transfer efficiency levels and lowering the costs associated with HVACR systems, ultraviolet light in the 253.7-nm germicidal C-band wavelength (UV-C) is often misunderstood and, therefore, under-utilized by HVACR contractors, mechanical engineers, and end users.
The Model HBT-221 is a commercial-grade, rectangular, bubble-tight damper with square blades. It features a blade seal mechanically fastened to the blade that is field-replaceable; a flanged damper frame for easy mounting; and is available with a full range of electric, pneumatic, or manual actuator options.
The CDC study screened 196 cooling towers around the U.S. and found Legionella DNA (indicating the bacteria were there, live or dead, at some point) in 164 of the towers sampled and live Legionella bacteria in 79 of them.
Thermal energy storage has been a proven commodity for years in Europe, but the technology has seemingly been on the peripheral of the HVAC industry in the U.S. Now, energy storage is gradually stepping into the industry spotlight, and manufacturers are ready and willing to showcase their offerings in this important space.
The Quincy Housing Authority (QHA) aimed to reduce the energy consumption of the its primary building, decrease its carbon footprint, and increase the comfort and durability of the buildings for residents.
As architects and engineers draw up plans for commercial buildings, it is a common practice to design openings in walls. In many cases, these openings allow for intake and/or exhaust air that supports the building’s HVAC system and are fire-resistive rated.