<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>dex231.txt
<DESCRIPTION>CONSENT OF DELOITTE & TOUCHE
<TEXT>
<PAGE>


                                                                    Exhibit 23.1

INDEPENDENT AUDITORS' CONSENT

We consent to the use in this Amendment No. 1 to Registration Statement No.
333-85146 of CECO Environmental Corp. on Form S-1 of our report dated March 27,
2002, appearing in the Prospectus, which is part of this Registration Statement,
and to the reference to us under the heading "Experts" in such Prospectus.

DELOITTE & TOUCHE LLP

Cincinnati, Ohio

May 6, 2002


</TEXT>
</DOCUMENT>
