The described method and apparatus pertains namely to the HVAC (Heating, Ventilating, and Air Conditioning) industry, though its many functions extend into any and all forms of air-fluid movement, metering, distribution, and containment. Essentially, the scope of operation of the method and apparatus...http://www.google.ca/patents/US7802734?utm_source=gb-gplus-sharePatent US7802734 - Packaged air handling system for fully integrated heat exchange optimization
