• Tour of Gould Academy's advanced VRF system!

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    August 02, 2019
    On Friday, August 16, at noon, GOULD ACADEMY will be having an Open House in Bethel to showcase their continued progress with High-Performance Building Design to achieve deep energy reductions. Holden Hall dormitory is the most advanced example of this on campus, with the most advanced VRF* technology available, the first installation of its type in the United States. The system has been widely used in Europe and Asia over the last few years and has been perfected leading up to this installation. We would be honored to have you join us for a brief presentation and tour of the Hall and this new technology.

    This installation is part of a larger plan to increase campus energy efficiency. Since 2010, the school has reduced lighting energy use by 60 percent, switching more than 2,000 bulbs to LEDs with the help of Efficiency Maine. Through a series of energy improvements, new infrastructure, advanced controls and repairs, Gould has also reduced heating fuel/propane costs by $80,000. Water consumption has dropped by roughly a third through automatic flush and flow controls. All of these energy reductions have increased comfort, quality, and safety.

    The solutions for this deep energy reduction were recommended to Gould by Optimal Energy Group as their energy consultants. The solution was designed and implemented by CVAL Innovations.

    The tour, which will begin at Noon, will include a look at the following:
    •the outside condensing units
    •branch controllers, air handling units, and other ductwork exposed for this tour
    •how the system looks in a typical dorm room
    •the Energy Recovery Ventilation unit and how the thermal envelope works in 75-year-old structures

    *Variable Refrigerant Flow (VRF), is an HVAC heat pump technology, using refrigerant as the cooling and heating medium. By operating at varying speeds, VRF units work only at the needed rate, allowing for significant energy savings. Individual indoor units can simultaneously heat or cool as required, either by generating or moving heat and cold from one space to another. This project will exceed a 60 percent energy reduction over traditional energy-efficient HVAC equipment.
    Julie Reiff, Director of Marketing & Communications
    (207) 824-7781
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