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Boiler size for Wirsbo garage heat 1000sq ft
amons
Member Posts: 3
Hi.
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.
r-19 garage doors. 16’, 9’, 7’. All 7’ high
r-60 ceiling r-20 walls.
Well sealed.
Minneapolis MN
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.
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?
thanks!!
thanks!!
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Comments
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Forgot to mention. There is 2” foam under the slab and around the entire foundation0
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Probably want to run glycol in it in case it isn't heated at some point for some reason.0
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I know you said the boiler will only heat the attached garage....but what heats the house now? Forced air I presume.
Serving Northern Maine HVAC & Controls. I burn wood, it smells good!0 -
This was an addition to the existing home. We tore off the existing garage and slab. Added a mud room and reconfigured the garage and made it way larger. The home has forced air. I am sure I will want to run Pex for heat everywhere once I have warm toes in the garage but I will have to cross that bridge another day.
I will run the glycol for sure.Sadly my neighbor did something similar and had a 120btu boiler installed. I was think that
must be way too large based on what I have read.0 -
Complete stab in yue dimly lit room guess is your heatloss will be in the 15,000-20,000 btu/hr range. May even be lower. Smallest mod/con will cover the load without issue. If you do decide to heat the whole house with water someday, you will likely still have enough capacity left from this mod/con to do that as well.
Again, to make the real determination we would need to do a proper heatloss calc on the house etc.Serving Northern Maine HVAC & Controls. I burn wood, it smells good!2 -
I'm in Minneapolis (Loring Park area) every day and would be happy to perform a heat loss calc for you if you'd like, but as these fellas said, any mod/con on the market today would be plenty. I wouldn't guess that load to be over 15-20k given the info you provided. I could even set you up with a boiler, feel free to send a PM if you want to discuss options.0
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Unless you want to add some snow melt too
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