June 13, 2006

CECO ENVIRONMENTAL ANNOUNCES
    BOOKINGS FOR THE MONTH OF MAY OF $13 MILLION AND
    2006 BOOKINGS INCREASE 87% TO $61.4 MILLION

NEW YORK, June 13, 2006 - CECO Environmental Corp. (NASDAQ: CECE), a leading provider of air pollution control and industrial ventilation systems announced today that its bookings for the month of May were approximately $13 million. The largest contract, valued at approximately $4 million, was secured by its H.M. White subsidiary and is for energy management work at a number of automotive facilities.

Rick Blum, President and Chief Operating Officer, stated, "The H.M. White contract was secured due to our ability to engineer significant energy savings into the customer's existing pollution control and ventilation systems. This creates a "win/win" for us and the customer."

Phillip DeZwirek, Chairman and CEO of CECO stated, "Along with the order secured by H.M. White, various divisions of our company secured additional contracts which total in aggregate $9 million from many different industries including ethanol, gypsum, printing, power, automotive and waste incineration. We are pleased that our new business continues to come from a wide spectrum of the business community. We are also especially pleased that new bookings have now reached $61.4 million. This is $28.6 million more than at this point last year, an increase of 87 %. Our backlog as of April 30, 2006 was $46.8 million."

ABOUT CECO ENVIRONMENTAL

CECO Environmental Corp is North America's largest independent air pollution control company. Through its seven subsidiaries - Busch, CECOaire, CECO Filters, CECO Abatement Systems, kbd/Technic, Kirk & Blum and H.M. White, Inc. - CECO provides a wide spectrum of air quality services and products including: industrial air filters, environmental maintenance, monitoring and management services, and air quality improvement 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.
Email: investors@cecoenviro.com
http://www.cecoenviro.com
1-800-606-CECO

This press release may contain 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.