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)           OCTOBER 13, 2006
                                                  ------------------------------


                              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 of    (Commission File No.)     (I.R.S. Employer
incorporation)                                               Identification No.)

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



                                  860-683-2005
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                         (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))



ITEM 8.01.  OTHER EVENTS.

Attached hereto as Exhibit 99.1 and incorporated by reference herein is an
announcement with respect to Thermodynetics Named One of Connecticut's Fastest
Growing Technology Companies in Deloitte's Technology Fast 50 Program, and
forward-looking statements as presented in a press release of October 13, 2006.

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 October 13, 2006



                                   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: October 13, 2006