5 story office building with VRF, DOAS & parking garage exhaust. LEED Gold Accreditation. 150 tons of VRF Condensing Units located on the roof and (1) DOAS with 25 tons of cooling for ventilation air provided with a gas-fired heat exchanger. Split system heat pumps were provided for retail space tenants for heating and cooling. Parking garage system included CO Monitoring and heating of the ceiling plenum space at both garage levels.