Exhibit 32.2 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION -OXLEY ACT OF 2002 In connection with the Quarterly Report on Form 10-Q of Crystal Rock Holdings, Inc. (the “Company”) for the quarter ended April 30, 2012, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned Chief Financial Officer of the Company, certifies, to the best knowledge and belief of the signatory, pursuant to 18 U.S.C. §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; 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/ Bruce S. MacDonald Bruce S. MacDonald Chief Financial Officer Date: June 14, 2012

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