Quote:
Originally Posted by Mikesolar
It's hard to know if the heat load is right. We would have to know all the insulation levels, window type and sizes etc. That said, 4kw heating seems a bit small for a house of that size. I was thinking more along the lines of 12kw and you would be hard pressed to find a 4-5kw oil boiler anyway.
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Here's how I worked out my current heat load.
Since 22/8/2007 I have purchased 21,115 ltrs of domestic heating oil.
that's 10.122 ltr per day.
1 gal of domestic heating oil produces 138,500 BTU per US Gal
Converting my 10.122 ltr per day to US Gallons gives 2.67
which is therefore 401092 BTU per day
or 16712 BTU per hour.
My boiler is listed as having 85% efficiency so actual heat output is
14,205 BTU per hour.
Do those calculations make sense or am I missing something?
Regards
Jim