CECO Environmental Corp. - LIMITED POWER OF ATTORNEY FOR SECTION 16 REPORTING OBLIGATIONS

This filing is an exhibit (Exhibit 24.1) to a SEC filing, specifically a Limited Power of Attorney granted by Victor L. Richey Jr., a director of CECO Environmental Corp. The power of attorney appoints Kiril Kovachev, Alyson Gregory Richter, and Peter Johansson as attorneys-in-fact. They are authorized to execute and file Forms 3, 4, and 5, including any amendments, on behalf of Mr. Richey, in accordance with Section 16(a) of the Securities Exchange Act of 1934. This authorization also covers the execution of notices for Rule 144 sales of the Company's common stock and any other actions deemed beneficial or legally required. The power of attorney remains in effect until Mr. Richey is no longer required to file these forms, unless earlier revoked. The document is dated June 1, 2026.