XPost: alt.home.repair   
   From: bobnospam@gmail.com   
      
   On 12/22/2022 8:56 PM, micky wrote:   
   > In alt.home.repair, on Thu, 22 Dec 2022 22:56:44 -0500, Ralph Mowery   
   >  wrote:   
   >   
   >> In article , bowman@montana.com   
   >> says...   
   >>>   
   >>> When you depend on answers from 'AnswerBag'....  The models that   
   >>> incorporate one or more motors for fans or rotation would be less that   
   >>> 100% efficient although I doubt they would use 20% of the input.   
   >>>   
   >>>   
   >>   
   >> Even the motors generate heat, so it is still 100 % efficent unless you   
   >> count on the power dropped in the wiring in the house going to the   
   >> heater.  Fuel powered heaters that are vented to the outside will see   
   >> some of the heat going out the exhaust pipe.   
   >   
   > Good point, so let me make my quesiton specific and explicit. In an   
   > *electric* heater, heat is the goal.  How can there be waste heat?   How   
   > can they be less than 99% efficient?   
   >   
   > Even the cord to the heater doesn't get warm so waste heat in the 14 or   
   > 12 gauge wires going from the breaker box to the room will not be more   
   > than 1% of the power used, certainly nowhere near 20%.   
      
   I replaced the #14 wires to my bedroom with #12, and was amazed by the   
   increased heat from the 1500 W bedside heater.   
      
      
   >  Why do heaters   
   > claim efficiency as low as 80%?   
   >   
   >   
      
   I've never seen on that did.   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)