Carolina Heat Pipe incorporated a controllable Thermosyphon Run Around Heat Pipe system (TRAHP™) within 2 rooftop air handler units to provide energy efficient dehumidification. In this medical application, for Wellstar Health System Vinings Health Park, located in Smyrna Georgia, CHP modified two units: a 12,000 CFM split system DX outdoor unit and a 15,900 CFM split system DX outdoor unit. Each received a 2-Row ST Mach 1 TRAHP™, which is fully modulating and controllable.
The Thermosyphon Run Around Heat Pipe process is a passive process that does not require a pump or compressor and does not consume any energy. The CHP heat pipe requires only simple maintenance of periodic coil cleaning for the life of the air handler.
The TRAHP™ system designed for this specific application was controllable. Because this heat transfer is controllable, improved comfort and efficiency in an air conditioning system becomes attainable. Control makes sense because the operation of reheat, even passive reheat, when it is not required wastes energy and creates discomfort by making rooms to warm. The use of uncontrolled reheat increase capital cost by requiring the installation of an air conditioning system with higher capacity to meet design conditions.
The inclusion of a CHP Thermosyphon Run Around Heat Pipe (TRAHP™) makes the air conditioning system more effective and is often selected by building designers to reduce the energy load.