CxA’s commissioning of the multi-purpose, year-round Stowe Arena began during the Request for Proposals (RFP) stage and continued through bidding, design, construction, and occupancy. The RFP development and bidding services helped to ensure that energy efficient design concepts were included in the project proposals from the very beginning. During the design phase, CxA identified many opportunities to improve building performance, such as variable speed control for the desiccant dehumidification system, and optimal hot water supply temperature for boiler efficiency and heat recovery. CxA’s functional performance testing of the installed systems revealed additional opportunities to improve energy efficiency, such as reduced ventilation air pre-heating and adjustments to lighting control settings to more effectively switch off lighting when spaces are unoccupied.
Cx Associates provided commissioning for the new squash center on Middlebury College’s main campus, which includes nine squash courts, an entrance to the main athletic complex, and seating for hundreds of spectators. Cx Associates was retained to assist in the pursuit of LEED certification for the project. Commissioned systems included HVAC, domestic hot water, and lighting and lighting controls. Our early involvement during the design phase allowed us to develop close relationships with the college and the contractors which helped ensure the controls for the ventilation system and lighting system met the design intent and needs of the college.
Cx Associates provide design and construction phase commissioning for Middlebury College’s new Field House. Our review uncovered several issues that, when corrected, reduced first cost and increased energy efficiency. During the construction phase, we corrected over 50 issues with the rest of the team, each found during commissioning. Correcting these problems improved equipment access and maintainability, improved sequences of operation and other equipment programming, and resulted in improved environmental quality.