Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!dali.cs.montana.edu!milton!sumax!polari!mzenier
From: mzenier@polari.UUCP (Mark Zenier)
Newsgroups: sci.electronics
Subject: Re: Microwave Water Heater
Message-ID: <3885@polari.UUCP>
Date: 28 Apr 91 20:27:48 GMT
References: <12469@qisoff.phx.mcd.mot.com>
Distribution: usa
Organization: Seattle Online Public Unix (206) 328-4944
Lines: 13

In article <12469@qisoff.phx.mcd.mot.com> hbg6@citek.mcdphx.mot.com writes:
>I was asked a question today and do not have a good answer.
>
>Why isn't there a microwave residential water heater on the market?
>Or is there?
>It would seem ideal for both large tank heater and on-demand systems.

To convert electricity to heat, a resistor is 100% efficient. 

In a microwave water heater, you'd probably get as much heat 
from water cooling the magnetron than from the RF.

Mark Zenier  markz@ssc.uucp  mzenier@polari.uucp