What are your thoughts about using the EVBQ as the air handler of a dual fuel system? The water coil acts as the the Aux/Emergency heat. No delay for defrost heat like a standard dual fuel setup, no furnace needed. Could be a good setup for southern climates with reasonable electric rates. Variable speed blower and internal water pump included. My main concerns are not enough heat from the water coil in some installations and the AHRI match of the evap coil for heat pump purposes.