In a message dated 1/5/01 9:37:03 AM Eastern Standard Time,
[log in to unmask] writes:

>
>  In last months issue of Bee Culture, there is a short article by Bob
>  Harrison (one of our outstanding list contributors) on how to convert a
>  refrigerator for this purpose.  Highly recommended!
>
Another source of thermostat control for making you hot box or fridge
conversions is an old waterbed heater.  The thermostat will control a
resistive load up to about 300 watts.