Case study: HVAC system conversion includes remote monitoring


An 80,000-sq-ft, 5-story government building with a basement had undergone one complete renovation, and several smaller upgrades since it was originally constructed in 1917. The early major renovation installed one multi-zone (MZ), constant volume air handling unit (AHU) on each floor, including the basement. Each individual AHU (six total) had two exterior and one interior zone per floor. Each of three zone duct runs had a hot water reheat coil installed and located within the corresponding mechanical rooms.

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