<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Company's Form 10-QSB for the period ended as stated below and is qualified in
its entirety by reference to such financial statements.
</LEGEND>
<CIK> 0000351902
<NAME> Thermodynetics, Inc.
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> MAR-31-2000
<PERIOD-START> JUL-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 3,466
<SECURITIES> 0
<RECEIVABLES> 1,206,813
<ALLOWANCES> 0
<INVENTORY> 2,118,311
<CURRENT-ASSETS> 3,723,310
<PP&E> 11,130,545
<DEPRECIATION> 5,927,732
<TOTAL-ASSETS> 11,542,565
<CURRENT-LIABILITIES> 3,684,305
<BONDS> 0
0
0
<COMMON> 137,800
<OTHER-SE> 0
<TOTAL-LIABILITY-AND-EQUITY> 11,542,565
<SALES> 2,914,324
<TOTAL-REVENUES> 2,914,324
<CGS> 2,151,897
<TOTAL-COSTS> 539,509
<OTHER-EXPENSES> (4,785)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 142,987
<INCOME-PRETAX> 75,146
<INCOME-TAX> 17,000
<INCOME-CONTINUING> 58,146
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 58,146
<EPS-BASIC> 0
<EPS-DILUTED> 0
</TABLE>