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 National R.V.  Holdings,  Inc.
(the  "Company") on Form 10-Q for the period ending March 31, 2003 as filed with
the Securities and Exchange  Commission on the date hereof (the  "Report"),  we,
Bradley C.  Albrechtsen,  Chief Executive  Officer and President of the Company,
and Mark D. Andersen, Chief Financial Officer of the Company,  certify, pursuant
to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 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; and

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



/s/ BRADLEY C. ALBRECHTSEN                           /s/ MARK D. ANDERSEN
--------------------------                           --------------------
Bradley C. Albrechtsen                               Mark D. Andersen
Chief Executive Officer                              Chief Financial Officer
and President                                        (Principal Accounting and
                                                      Financial Officer)
May 5, 2003                                          May 5, 2003