SMITH A O CORP - FORM 10-K - EX-23 - CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - February 26, 2010

Attached files

file filename
10-K - FORM 10-K - SMITH A O CORPd10k.htm
EX-21 - SUBSIDIARIES - SMITH A O CORPdex21.htm
EX-32 - WRITTEN STATEMENT OF THE CEO AND THE CFO PURSUANT TO SECTIONS 1350 - SMITH A O CORPdex32.htm
EX-31.2 - CERTIFICATION BY THE EXECUTIVE VICE-PRESIDENT AND CFO PURSUANT TO SECTION 302 - SMITH A O CORPdex312.htm
EX-31.1 - CERTIFICATION BY THE CHAIRMAN AND CEO PURSUANT TO SECTION 302 - SMITH A O CORPdex311.htm

Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements (Form S-8 Nos. 33-37878, 33-56827, 333-05799, 333-92329, 333-92428 and 333-144950) pertaining to the A. O. Smith Corporation 1990 Long-Term Executive Incentive Compensation Plan, the A. O. Smith Corporation Long-Term Executive Incentive Compensation Plan, the A. O. Smith Combined Executive Incentive Compensation Plan and the A. O. Smith Combined Incentive Compensation Plan and in the related prospectuses of our reports dated February 26, 2010, with respect to the consolidated financial statements and schedule of A. O. Smith Corporation, and the effectiveness of internal control over financial reporting of A. O. Smith Corporation, included in this Annual Report (Form 10-K) for the year ended December 31, 2009.

ERNST & YOUNG LLP

Milwaukee, Wisconsin

February 26, 2010

SMITH A O CORP Reports