Waste Water Treatment Plant – Edgartown, MA

Preferred Mechanical renovated the existing wastewater treatment plant on the grounds of the Martha’s Vineyard airport. The new systems include a direct fired make up air unit, exhaust fans, and a basic control system that handles the ventilation for the treatment area, including an economizer cooling cycle for free cooling in the colder months.

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Thayer Academy – Braintree, MA

An independent, coeducational day school for grades 5-12 since 1877, Thayer Academy is situated close to Boston and educates some of the brightest minds of tomorrow. Preferred Mechanical recently completed a new athletic complex that houses a one and a half sheet ice arena, as well as a fieldhouse for tennis and basketball. Preferred installed the modular chiller system for the ice rinks, which also maximizes heat reclaim via radiant heating and ventilation air in the locker room spaces. There are multiple HVAC systems within the facility, including standard constant volume rooftop units, split systems, heating and ventilating units, and a small kitchen ventilation system. In addition to the mechanical systems, Preferred installed a hybrid control system including a digital system for the ice rink with remote alarming, and standalone thermostats on the packaged HVAC equipment.

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