EXHIBIT 32.1

                            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 Celerity  Systems,  Inc. (the
"Company")  on Form 10-Q for the period  ended  June 30,  2004 as filed with the
Securities and Exchange  Commission on the date hereof (the  "Report"),  each of
the  undersigned,  in the capacities and on the dates  indicated  below,  hereby
certifies pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, that to his knowledge:

      1.    The Report fully complies with the  requirements of Section 13(a) or
            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 operation
            of the Company.

Date:    August 23, 2004                    By: /s/ Robert Legnosky
                                                -------------------
                                                Robert Legnosky
                                                President and
                                                Interim Chief Financial Officer

A signed  original of this written  statement  required by Section 906, or other
document  authentications,  acknowledging,  or otherwise  adopting the signature
that  appears  in typed  form  within the  electronic  version  of this  written
statement  required by Section 906, has been provided to Celerity Systems,  Inc.
and will be retained by Celerity  Systems,  Inc. and furnished to the Securities
and Exchange Commission or its staff upon request.


                                       20