CECO ENVIRONMENTAL REPORTS APPOINTMENT OF
CHIEF FINANCIAL OFFICER

NEW YORK, December 17, 2004 - CECO Environmental Corp. (NASDAQ: CECE) today reported that Dennis Blazer has been appointed Vice President and Chief Financial Officer.

Mr. Blazer has over thirty years of financial management experience and most recently served as the Chief Financial Officer for Interlott Technologies, Inc. (AMEX:ILI), a national provider of vending technology for the lottery industry. In September 2003 Interlott was merged into Gtech Corporation. Following the merger, Mr. Blazer served as temporary CFO of the Interlott division and as a consultant to Gtech. Prior to that he was employed by The Plastic Moldings Corporation where he served in many capacities leading up to the position of Vice President of Finance and Administration. Mr. Blazer is a Certified Public Accountant.

Phillip DeZwirek, Chairman and CEO of CECO Environmental stated that "we at CECO feel fortunate to so quickly find a CFO with Dennis' qualities and we are confident that our financial operations will continue seamlessly.

ABOUT CECO ENVIRONMENTAL

CECO Environmental Corp. is North America's largest independent air pollution control company. Through its six subsidiaries -- Busch, CECOaire, CECO Filters, CECO Abatement Systems, kbd/Technic and Kirk & Blum - CECO provides a wide spectrum of air quality services and products including: industrial air filters, environmental maintenance, monitoring and management services, and air quality improvements systems. CECO is a full-service provider to the steel, military, aluminum, automotive, aerospace, semiconductor, chemical, cement, metalworking, glass, foundry and virtually all-industrial process industries.

For more information on CECO Environmental Corp., please visit the company's web site at www.cecoenviro.com.

Contact: Corporate Information
Phillip DeZwirek, CECO Environmental Corp.
http://www.cecoenviro.com
1-800-606-CECO

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All forward-looking statements are subject to certain risks, uncertainties and assumptions. These risks and uncertainties, which are more fully described in CECO's Annual and Quarterly Reports filed with the Securities and Exchange Commission, include changes in market conditions in the industries in which the Company operates. Should one or more of these risks or uncertainties materialize, or should the assumptions prove incorrect, actual results may vary in material aspects from those currently anticipated.