CHICAGO - At the 2009 Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo), a few manufacturers introduced some new and unique systems designed to recover heat and energy in order to reduce ...

Engineers retrofitting non-air conditioned schools to variable refrigerant flow (VRF) the last few years have relied on centralized packaged DOAS to comply with ASHRAE 62.1 outdoor air standards.

The thermal wheel is about to evolve into something far smarter: a device which not only recovers heat but also water – and without the bugs. Enter the molecular sieve. Will it revolutionise the ...

BETHESDA, MD. — Southland Industries provided design-build HVAC and plumbing services for the new Walter Reed National Military Medical Center here, including new work on Building A and Building B, ...