0000003197 2022-01-10 2022-01-10 0000003197 false 8-K 2022-01-10 CECO Environmental Corp. DE 000-07099 13-2566064 14651 North Dallas Parkway Suite 500 Dallas TX 75254 214 357-6181 false false false false Common Stock, par value $0.01 per share CECE NASDAQ false