Tiered burner

A tiered burner having a Venturi tube in fluid communication with and connected to a chamber, the chamber being in fluid communication with rows of burner ports; the chamber having an outer wall and an inner wall; a plurality of vanes having a tiered arrangement, wherein the lowermost vane of the plurality of vanes is the smallest vane; each vane of the plurality of vanes having an inner edge extending from the inner wall towards a center of the plurality of vanes, and extending above a row of burner ports of the plurality of rows, such that flames emitted from the row of burner ports is impinged from above and thus directed towards the center of the plurality of vanes; and the Venturi tube having: a constricted midsection; a first end creating a connection to the chamber; and a second end configured to receive gas from a gas source.