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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001181431-06-029977.txt : 20060512
<SEC-HEADER>0001181431-06-029977.hdr.sgml : 20060512
<ACCEPTANCE-DATETIME>20060512161634
ACCESSION NUMBER:		0001181431-06-029977
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060508
ITEM INFORMATION:		Unregistered Sales of Equity Securities
FILED AS OF DATE:		20060512
DATE AS OF CHANGE:		20060512

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CECO ENVIRONMENTAL CORP
		CENTRAL INDEX KEY:			0000003197
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFYING EQUIP [3564]
		IRS NUMBER:				132566064
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-07099
		FILM NUMBER:		06835069

	BUSINESS ADDRESS:	
		STREET 1:		3120 FORRER STREET
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45209
		BUSINESS PHONE:		4165936543

	MAIL ADDRESS:	
		STREET 1:		505 UNIVERSITY AVENUE
		STREET 2:		SUITE 1400
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5G 1X3

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	API ENTERPRISES INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALARM PRODUCTS INTERNATIONAL INC
		DATE OF NAME CHANGE:	19851210
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>rrd117150.htm
<TEXT>


<html><head>
<title>Prepared By R.R. Donnelley Financial -- Form 8-K</title>
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<b>UNITED STATES </b></font></div>

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<b>SECURITIES AND EXCHANGE COMMISSION </b></font></div>

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<b>Washington, D.C. 20549 </b></font></div>

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<b>Form 8-K </b></font></div> <div><font Size="1">&nbsp;</font></div>

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<b>Current Report </b></font></div>

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<b>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 </b></font></div>

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<b>Date of Report (Date of earliest event reported):&nbsp;&nbsp;05/08/2006 </b></font></div>




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<b>CECO ENVIRONMENTAL CORP </b></font></div>

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<b>(Exact name of registrant as specified in its charter)</b></font></div>

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<b>Commission File Number:&nbsp;&nbsp;0-7099</b></font></div>

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<div Align="center"><font Face="times New Roman" Size="3" Color="#000000"><b>DE</b></font>
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<div Align="center"><font Face="times New Roman" Size="3" Color="#000000"><b>13-2566064</b></font>
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<b>(State or other jurisdiction of</b></font>
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<div Align="center"><font Face="times New Roman" Size="2" Color="#000000"><b>(IRS Employer</b></font>
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<b>incorporation)</b></font>
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<b>Identification No.)</b></font>
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<b>3120 Forrer Street, Cincinnati, OH 45209</b></font></div>


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<b>(Address of principal executive offices, including zip code)</b></font>
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<b>(416) 593-6543 </b></font>
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<b>(Registrant&#146;s telephone number, including area code)</b></font>
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<b> </b></font>
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<b>(Former name or former address, if changed since last report) </b></font>
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<b>Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:<BR><BR>
</b></font>


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<b>[&nbsp;&nbsp;]&nbsp;&nbsp;
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<BR><BR>

[&nbsp;&nbsp;]&nbsp;&nbsp;
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR><BR>


[&nbsp;&nbsp;]&nbsp;&nbsp;
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR><BR>


[&nbsp;&nbsp;]&nbsp;&nbsp;
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
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Information to be included in the report</b>
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<b>Item 3.02.&nbsp;&nbsp;&nbsp;&nbsp;Unregistered Sales of Equity Securities</b></font>
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As previously reported, CECO Environmental Corp.(the "Company")issued on December 31, 2001, warrants ("Warrants") to purchase 353,334 shares of our common stock at an initial exercise price of $3.60 per share, to a group of accredited investors led by Crestview Capital Fund L.P., a Chicago-based private investment fund. The Warrants have a five-year term.  On May 8, 2006, two of the holders of Warrants, Crestview Capital Fund L.P. and Crestview Capital Master, LLC exercised their Warrants to purchase 216,667 and 25,000 shares of our common stock, respectively, and the Company has issued said 241,667 shares (the "Warrant Shares"). The Company received $870,001.20 of proceeds from the exercise of such Warrants.<p>The Warrant Shares were issued in a private placement transaction that was exempt from registration under Section 4(2) of the Securities Act of 1933, as amended, and rules promulgated by the Securities and Exchange Commission under Sections 3(b) and 4(2) of the Securities Act of 1933, as amended. <p>T
he Warrant Shares have been registered for resale on Form S-3 (File No. 333-130294).<p></font>
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<b>Signature(s) </b></font>
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Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized. </font>
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	<div Style="margin-left:2%; Text-indent:-2%"><font Face="times New Roman" Size="2" Color="#000000">
	CECO ENVIRONMENTAL CORP</font>
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<tr><td>&nbsp;</td></tr>
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	Date: May 12, 2006</font>
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	By:</font>
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	<div Style="margin-left:2%; Text-indent:-2%"><font Face="times New Roman" Size="2" Color="#000000">
	/s/&nbsp;&nbsp;&nbsp;&nbsp;Dennis W. Blazer</font>
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	<div Style="margin-left:2%; Text-indent:-2%"><font Face="times New Roman" Size="2" Color="#000000">
	Dennis W. Blazer</font>
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	<div><font Face="times New Roman" Size="2" Color="#000000">Chief Financial Officer and Vice President--Finance and Administration</font>
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