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Case Studies in Commercial Ductless Systems: PTAC Out, Fujitsu VRF In
2017/06/11
Jun 9, 2017
Rick Melling, P.E.
Building Shape Considered
 
The Tabco Building’s tall and slender shape meant that most of the rooms have external walls and windows. This creates the potential for widely varying loads, and increases the likelihood of different zones simultaneously calling for heat and cooling.
 
Packaged terminal air conditioners (PTAC) have long filled the need for a combined heating and cooling solution that provides low upfront cost, individual control and stand-alone operation within a relatively small footprint.  Once installed, PTACs also make the replacement process simple down the road. That’s why making a case for an alternative to the PTAC on a high-rise building retrofit can be a challenge.
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