Exhibit 10.13

Agreement between Ovation Products Corporation and Etain Companies, LLC

The following agreement discusses the terms and scope of the relationship
between Ovation Products Corporation (Ovation) of Nashua, NH and Etain
Companies, (Etain) 30 Stoneleigh Circle, Watertown, MA 02472.

1.       TERM: This agreement shall commence January 1, 2004 and be terminable
         after six months with a two month notice period.

2.       NATURE OF THE RELATIONSHIP AND SCOPE OF SERVICES: Under this agreement,
         Etain shall provide general consulting and strategic services for and
         at the direction of Ovation. Ovation shall provide specific guidance as
         to the priorities on which it wishes Etain to focus. These areas on
         which Etain shall provide assistance may include, but shall not be
         limited to: strategic alliances, presentations, governmental
         organizations, environmental groups, real estate issues, and press
         relations. Etain shall not be called upon to act as a lobbyist of any
         state or federal entity.

3.       FEES: In consideration of its efforts, Etain shall receive one thousand
         dollars per month, payable on the first of each month. In addition,
         Etain shall receive two thousand shares of Ovation Stock on a monthly
         basis in a cumulative manner under the existing employee stock option
         program.

4.       ENTIRE AGREEMENT: This agreement, constitutes the entire agreement
         between the parties, with the exception of the aforementioned agreement
         of January 17th, 2003. Should any term or provision hereof be deemed
         invalid, void, or unenforceable either in its entirety or in a
         particular application, the remainder of the Agreement shall
         nonetheless remain in full force and effect. This Agreement shall be
         binding upon and inure to the benefit of the respective parties and
         their permitted assigns and successors in interest.

5.       EXCLUSIVITY AND CONFIDENTIALITY: Both parties acknowledge that this
         relationship is non-exclusive and agree that any and all information
         emanating from the other's business in any form, and any methods,
         strategies, technology, alliances and contacts is "Confidential and
         Proprietary Information", the disclosure of which would be harmful to
         the business interests of each party. Both parties agree that they will
         not, during or after the term of this Agreement, permit the duplication
         or disclosure of any such Confidential and Proprietary Information to
         any person (other than an employee, agent or representative of the
         other party who must have such information for the performance of its
         obligations hereunder) nor shall one party make use of the other's
         "Confidential and Proprietary Information" for their own purposes or
         for the benefit of any person, firm, corporation or other entity than
         the party owning such information. "Confidential and Proprietary
         Information" shall not include information, which at the time of
         disclosure, is in the public domain.

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6.       INDEMNIFICATION: Ovation agrees to indemnify and hold Etain harmless
         for claims, actions, threats, damages, injuries or losses arising out
         of Ovation's provision of its products to users and compliance with
         all applicable laws, pursuant to this Agreement.

7.       NOTICES: All notices or other communications sent pursuant to this
         Agreement shall be in writing and shall be delivered in hand or sent by
         facsimile transmission or email with subsequent written confirmation.
         Such notice shall be deemed to have been given or made upon delivery,
         if delivered personally or three business days after mailing via
         regular mail or one business day if delivered by an overnight courier.

8.       GOVERNING LAW: This agreement shall be governed by the laws of the
         Commonwealth of Massachusetts without regard to choice of law
         principles.

In witness whereof, the parties have read, had the opportunity to discuss the
terms and caused this Agreement to be executed and do each hereby warrant and
represent that their respective signatory whose signature appears below has been
and is on the date of this Agreement duly authorized by all necessary and
appropriate corporate action to execute this Agreement.

Ovation Products Corporation                         Etain Companies, LLC
By /s/ William Zebuhr                                By /s/ Warren Tolman
Printed Name: William Zebuhr                         Printed Name: Warren Tolman
Title: CEO                                           Title: President
Date: 1/1/2004                                       Date: January 1, 2004