In 2006, the Olympia School District (OSD), of Olympia, WA, had enough of being burdened with outdated mechanical and electrical systems at its Reeves Middle School. Though some new mechanical and ...

Condensation control — Preventing condensation that could damage insulation and other HVAC system components or possibly lead to microbial growth; and Energy conservation — Reducing HVAC system ...

Ducts are made of segments of sheet metal, or combinations of sheet metal, duct board and flex duct. Between the sections and at the elbows there are joints which are simply bent, crimped, or screwed ...