Manoa Elementary School is serviced by 5 air handling units: two serving the classroom wing, one serving the library, one serving the multipurpose gymnasium and the last serving the kitchen and cafeteria spaces. The air handling units are direct expansion systems equipped with rooftop energy recovery ventilators. A kitchen make-up air unit is used to replace air exhausted from the kitchen. Two dual fuel boilers are used for perimeter heating through fin tubes and horizontal unit heaters.