is this under cabinet range hood able to be used without a cabinet over top of it?
A. Yes, Under cabinet recirculating range hoods would work for that type of application.
Should the Air King QZ230 be placed on its own separate electical circuit or can it share the circuit.
A. The Air King QZ230 does not require a dedicated circuit.
Can this be converted to recirculating?
A. Yes, the Air King QZ230 can be installed as a ductless/recirculating range hood. Air King's installation guide provides instructions for how to do this.
How long is the electric cord to plug into outlet or does it have to be hardwired?
A. The Air King QZ230 is a hard wire unit.
How many speeds does this have? What is the CFM per each speed selection?
A. The Air King QZ230 range hood has 3 speeds. The CFM ratings are different based on the ducting. If it is ducted vertically, the CFM ratings are: low 260, medium 279, and high 298. If it is ducted horizontally, the CFM ratings are: low 250, medium 264, and high 292.
What is the recommended distance from the bottom of the hood to the cook surface?
A. The Air King QZ230 range hood is recommended to be mountd 20" above the cook surface.
Is this a ductless hood?
A. The Air King QZ230 is a ductless hood.
what is the dimension of the filter
A. The Air King QZ230 uses the GF-06 and the Air King GF-06 has dimensions of 10-1/4"x11-1/2"x1/4".