"Bob Giel" > wrote in message
ink.net...
> How much can an oven's temperature vary and still give good results?
>
> If set at 350 degrees F., what is the most it should go above or below the
> set temperature?
> Is there actually a standard or "generally accepted range"?
> Is the acceptable range a percentage of the target temperature (e.g. up or
> down 5%) or is it an absolute (e.g. up or down 10 degrees F maximum?)
>
> My oven is way out of whack, can vary as much as 150 degrees when set at
250
> deg F (down to 100 and up to 289!) and +/- 70 degrees when set at 35.
> Obviously this is crazy, but I need to know what is acceptable for good
> baking, as the repair people are worthless in this regard, and I'm sick
and
> tired of throwing out food!
>
> I've searched the internet for weeks and found NOTHING even remotely like
a
> standard.
>
> Please help!

You might post over at rec.food.equipment. Someone over there will probably
know if there is an industry standard. My opinion would be that the oven
shouldn't vary more than about 25F +/- the set point.