Blower housing assembly with mounting tabs

A centrifugal blower, comprising:

• a blower wheel housing, the blower wheel housing comprising:
• a sheet metal scroll;
• and
• a contiguous sheet metal first side plate having a substantially planar first sidewall portion and a first peripheral portion, wherein the first peripheral portion comprises a first flange extending generally perpendicular to the first sidewall portion about a periphery thereof and having one or more notches defined therein, wherein the first flange fixedly engages a first portion of the scroll, and wherein the first peripheral portion further comprises one or more mounting tabs associated with the one or more notches extending radially outward beyond the first flange, wherein the one or more mounting tabs are generally coplanar with the first sidewall portion;
• a blower wheel rotatably coupled to the blower wheel housing, wherein the blower wheel is operable to provide a flow of air by rotating the blower wheel within the blower wheel housing.