EXHIBIT 23.2

Consent of KPMG LLP, Independent Registered Public Accounting Firm

The Board of Directors

Tennant Company:

We consent to the incorporation by reference in the Registration Statement on Form S-8 of Tennant Company of our reports dated February 29, 2008, with respect to the consolidated balance sheets of Tennant Company and subsidiaries as of December 31, 2007 and 2006, the related consolidated statements of earnings, cash flows, and shareholders’ equity and comprehensive income for each of the years in the three-year period ended December 31, 2007, the related financial statement schedule, and the effectiveness of internal control over financial reporting as of December 31, 2007, which reports appear in the December 31, 2007 annual report on Form 10-K of Tennant Company.

As discussed in Note 1 to the consolidated financial statements, the Company adopted the provisions of Statement of Financial Accounting Standards No. 123R, Share-Based Payment, as of January 1, 2006, Statement of Financial Accounting Standards No. 158, Employers’ Accounting for Defined Benefit Pension and Other Postretirement Plans, as of December 31, 2006 and FASB Interpretation No. 48, Accounting for Uncertainty in Income Taxes, as of January 1, 2007.

/s/ KPMG LLP

Minneapolis, Minnesota

March 5, 2009