EXHIBIT 99.1

                            CERTIFICATION PURSUANT TO

                 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Gencor Industries, Inc. (the
"Company") on Form 10-Q for the period ended June 30, 2002 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), E. J.
Elliott, as Chief Executive Officer of the Company, and Scott W. Runkel, as
Chief Financial Officer of the Company, each certifies, pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002, that:

     (1) the Report fully complies with the requirements of Section 13(a) or
Section 15(d) of the Securities Exchange Act of 1934; and

     (2) the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

                                     /s/ E. J. Elliott
                                     -------------------------------------------
                                     E. J. Elliott
                                     Chief Executive Officer
                                     August 14, 2002


                                     /s/ Scott W. Runkel
                                     -------------------------------------------
                                     Scott W. Runkel
                                     Chief Financial Officer
                                     August 14, 2002

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