Exhibit 32.2

                    CERTIFICATION OF CHIEF FINANCIAL OFFICER
                       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 Annual Report of Metretek Technologies, Inc. (the
"Company") on Form 10-K for fiscal year ended December 31, 2005 as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I, A.
Bradley Gabbard, Executive Vice President and Chief Financial Officer of the
Company, hereby certify, 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
          15(d) of the Securities Exchange Act of 1934, as amended; and

     2.   The information contained in the Report fairly presents, in all
          material respects, the financial condition and result of operations of
          the Company.


Date: March 22, 2006                    /s/ A. Bradley Gabbard
                                        ----------------------------------------
                                        A. Bradley Gabbard
                                        Executive Vice President and
                                        Chief Financial Officer

A signed original of this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.