Boiler size

[line guy]

Radiant floor heat in a 30 x48x 14 high pole barn insulated what size boiler and gas line. Barn is 160 ft behind house. Winters are cold teens to 40 degrees all winter.upstate NY

 

[HoosierBuddy]

There's no way to figure the BTU's without a heat loss calculation. There's no way to figure the gas line size without knowing the BTU's.

Does the barn have water in it for makeup for the boiler?

Phil

 

[line guy]

How do you determine heat loss? Barn will have a frost free hydrant outside but not tied in to boiler.

 

[HoosierBuddy]

How do you determine heat loss? Barn will have a frost free hydrant outside but not tied in to boiler.

Do a google search for online heat loss calculator. As there are several, suggest it might make sense to use a couple of them to compare. You will need to know all 3 dimensions of the building, how much insulation, how many sf of windows, etc.

On the makeup water...since you are choosing a boiler as your heat source, I would suggest it makes the most sense to run water into the building for makeup to the boiler. That's what I did in my garage. One less thing to worry about....or possibly forget about and lose heat and freeze up/possibly destroy your boiler.

Phil

 

[fitter30]

If you don't have floor drains condensing boilers need a drain for the condensate.

 

[line guy]

Thanks for the suggestions. Have to do more homework

 

[danski0224]

Somewhere between 15,000 and 1,000,000 btu should do it.

Might need a bigger gas line