This HVAC system upgrade is a 36,280 square foot HVAC remodel of the Alaska Airlines Terminal & Operations Offices at the Portland International Airport in Portland, Oregon. Hydro-Temp is providing the complete general contracting scope of work for this $850,000 project. The existing packaged DX cooling rooftop air hander and fan-powered terminal units, wholly inadequate for meeting the current heating & cooling needs of the space, are being replaced with a new roof mounted heat pump air handler with heat recovery, and variable refrigerant