Systems Unlimited, an Iowa City, is an Iowa organization that provides supported living services, job training and employment to adults with disabilities. The building is a 38,400 sq. ft. facility that houses administrative offices, training rooms and work areas for the organization.
The owner was concerned with energy costs and indoor air quality. As a result, we combined the strengths of three leading technologies: ground-source heat pumps, dedicated outdoor air system, and radiant heating and cooling panels.
The system includes 8,000 cfm, 30-ton Venmar CES integrated ground-source heat pump energy-recovery ventilator with AHRI Certified™ performance from a total-energy wheel air-to-air heat exchanger; three five ton ground source heat pumps supplying ceiling-mounted radiant heating and cooling panels