Re: Boiler Cycling and setup question

Posted by Justin on November 19, 2005 at 01:20:49:

In Reply to: Re: Boiler Cycling and setup question posted by Ron on November 18, 2005 at 22:59:10:

So from a cost perspective your saying 3 10 minute burns an hour will use less gas than 10 3 minute burns? Just out of curiousity how do you have yours setup to accomplish this? I thought my boiler was rather large as well but I couldn't figure out why it takes so long to get up to temp.

Thanks for your input as you can tell I'm new to this and haven't quite figured out what the best practices are.

Thanks again,
-Justin

: Can't say for sure but sounds as if the boiler is grossly oversized. In this case outdoor reset only adds to the problem. A properly sized boiler and longer run times is the key to efficiency. The outdoor reset will make the boiler run shorter cycles which drops efficiency in this case and shortens the life of the mechanicals. The cycle rate should be about 3 times an hour.
: My house is 2100 sq ft and my heat loss is 58k and the home is 85 yr old. My boiler installed 11 yrs ago is 68k. We have seen temps as low as 4º for a few days and no problem heating.

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