
<PAGE>   1



Exhibit 11

AAVID THERMAL TECHNOLOGIES, INC. AND SUBSIDIARIES
<TABLE>
Computation of Net Income Per Share
(Amounts in thousands, except share data)
<CAPTION>
                                                                                           (Unaudited)
                                                                      Quarter ended                         Six Months ended
                                                               June 29,             July 1,          June 29,            July 1,
                                                                 1996                1995              1996               1995
                                                                 ----                ----              ----               ----
<S>                                                          <C>                 <C>               <C>                 <C>
Weighted average shares outstanding                            6,478,127          3,684,143          6,478,127          3,684,143
                                                  
Net effect of the assumed exercise of stock       
        options and warrant                       
     -based on the treasury stock method                               0          1,290,801                  0          1,290,801
                                                  
Total                                                          6,478,127          4,974,944          6,478,127          4,974,944
                                                  
Net income before extraordinary item                         $(3,271,000)        $  837,000        $(2,011,000)        $1,499,000
                                                  
Extraordinary item                                                     -                  -           (171,000)                 -
                                                  
Net income                                                   $(3,271,000)        $  837,000        $(2,182,000)        $1,499,000
                                                  
Net income per share before extraordinary item               $     (0.50)        $     0.17        $     (0.34)        $     0.30
                                                  
Extraordinary item income (expense) per share                $         -         $        -        $     (0.03)        $        -
                                                  
Net income per share                                         $     (0.50)        $     0.17        $     (0.50)        $     0.30
</TABLE>                                                  

