Exhibit 99.
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                                                  NEWS RELEASE
                                                    /FOR IMMEDIATE RELEASE/
                                                    Contact:  Robert A. Lerman
                                                    860-683-2005     Windsor, CT
                                                    OTCBB:  TDYTE
                                                    August 19, 2005

             Thermodynetics Announces Receipt of a $3 Million Order

Windsor,  CT August 19, 2005 -  Thermodynetics  Inc. (TDYT OTCBB) reported today
that its wholly owned subsidiary, Turbotec Products, Inc., received an order for
approximately $3 million to provide enhanced surface  stainless steel tubing for
commercial boiler applications.  The enhanced tubing increases the boiler's heat
transfer capabilities, thereby increasing the boiler's performance.

Turbotec  is  interested  in being a  supplier  to the boiler  industry.  Having
identified an innovative  supplier of technologically  advanced products to this
market,  we offered to assist the  customer in  developing  a line of  products,
thereby securing the order.

Turbotec's  engineering  capabilities are a key reason why many of our customers
select  us as the  supplier  of  choice.  By  coupling  our  state  of  the  art
engineering  services  with our  manufacturing  capabilities,  Turbotec  is well
positioned to serve new and existing customers. We invite new inquiries.



ABOUT THERMODYNETICS

Thermodynetics,  Inc., has been engaged in the manufacture of high  performance,
high quality  metal tubing and tubing  assemblies to the heat transfer and other
industries  since 1972.  Its Turbotec  Products  subsidiary is a world leader in
enhanced heat  transfer  technology.  These  products are marketed in the United
States, Canada and abroad in the space conditioning,  refrigeration, automotive,
biomedical, plumbing, appliance, water heating and aerospace industries.

The Company's  products are used in heat pumps as condensers and  evaporators in
heating,  refrigeration,  food processing and  air-conditioning  systems; in the
biomedical field as blood or intravenous fluid heat exchangers; in heat recovery
units used to heat water with waste heat from air conditioning and refrigeration
systems; in ice production systems; in laser coolers, beverage dispensers,  food
processing systems, chillers, heat pump systems and boilers, and modules for use
as components in large  condensing or desuperheater  systems;  and are generally
usable in most applications where heat transfer is required.  The tubing is also
used as a flexible connector in plumbing applications.