U.S. SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 8-K

                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


Date of Report (Date of earliest event reported)           FEBRUARY 13, 2007
                                                       ------------------------


                              THERMODYNETICS, INC.
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             (Exact name of registrant as specified in its charter)

         DELAWARE                        0-10707                 06-1042505
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[State or other jurisdiction      (Commission File No.)      (I.R.S. Employer
     of incorporation)                                      Identification No.)

    651 DAY HILL ROAD, WINDSOR, CONNECTICUT                     06095
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   (Address of principal executive offices)                   (Zip Code)


                                  860-683-2005
                         (Registrant's telephone number)


                                       N/A
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         (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2):

[_]  Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[_]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

[_]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[_]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))







SECTION 2 - FINANCIAL INFORMATION

ITEM 2.02.  RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

Attached hereto as Exhibit 99.1 and incorporated by reference herein is
financial information for the Company for the fiscal quarter-ended December 31,
2006 and forward-looking statements relating to 2006 as presented in a press
release of February 13, 2007.

SECTION 9 - FINANCIAL STATEMENTS AND EXHIBITS

ITEM 9.01.  FINANCIAL STATEMENTS AND EXHIBITS.

       (c)  Exhibits.

Exhibit
Number      Description of Exhibits
- --------    -------------------------------------------------------------------
  99.1      Press Release issued by the Company on February 13, 2007





                                   SIGNATURES



         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned, hereunto duly authorized.


(Registrant)
THERMODYNETICS, INC.



BY:  /s/ Robert A. Lerman
   -------------------------------------
    Robert A. Lerman, President


Date: February 13, 2007