boiler size

rmn

My heating for my house was converted to hydronic heatin/cooling. My HVAC man suggested for 4 zones with air handlers' tonnage at 12, the boiler size to be 294,158 btus. My plumber recently installed a new boiler with btus at 347,000. Is that too large? The boiler installed is Peerless with carlsin burner and storage tank at 60gal. thanks for your response.

techheat_2

The time

to do a heat loss is before an installation, the only way to determine proper sizing is to perform a heat loss calculation which will tell what you need. With relatively tight construction 350k BTU/Hr will heat an awesomely sized house,substantially bigger than your garden variety 5k sq/ft McMansion

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