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Boiler size for Wirsbo garage heat 1000sq ft
I am looking for advise on sizing a boiler for wirsbo garage heat.
1000sq ft attached garage
r-19 garage doors. 16’, 9’, 7’. All 7’ high
r-60 ceiling r-20 walls.
this is our only garage so the doors will open a few times per day.
looking to heat air temp to 50-55 degrees
there are 5 loops about 160 ft each 1/2” pex.
boiler will only be used for the floor heat.
What variables am I missing? Google searches are putting the btu requirements all over the map.
Based on my research it looks like I should be purchasing a modulation condensing boiler. Any reason I shouldn’t?