<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> APR-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 2,768
<SECURITIES> 0
<RECEIVABLES> 1,534,464
<ALLOWANCES> 0
<INVENTORY> 1,997,708
<CURRENT-ASSETS> 3,860,756
<PP&E> 10,995,434
<DEPRECIATION> 5,878,306
<TOTAL-ASSETS> 11,639,589
<CURRENT-LIABILITIES> 3,812,363
<BONDS> 0
0
0
<COMMON> 137,800
<OTHER-SE> 0
<TOTAL-LIABILITY-AND-EQUITY> 11,639,589
<SALES> 3,186,844
<TOTAL-REVENUES> 2,361,676
<CGS> 2,167,267
<TOTAL-COSTS> 515,864
<OTHER-EXPENSES> (214)
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 136,812
<INCOME-PRETAX> 172,706
<INCOME-TAX> 34,000
<INCOME-CONTINUING> 138,706
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 138,706
<EPS-BASIC> 0.01
<EPS-DILUTED> 0.01
</TABLE>