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"But you're probably going to oversize the boiler if you measure the radiation on a hot water job," I told him. He just kept shaking his head. "Works for me."
He kept shaking. "Takes too long to do a heat loss," he said. "It's much easier to measure the radiation." So I invited him over to my house for a visit. "What's the heat loss of this place?" I asked. "You're gonna make me work?" he chuckled. "Yep," I said. "Show me how you'd size a boiler for this place."
"You have 200 feet of 3/4" baseboard here," he said. "I know." "Each foot of three-quarter puts out about five hundred-eighty BTUH when the average water temperature is one hundred-seventy degrees," he said. "I know." "So two hundred times five hundred-eighty is one hundred-sixteen thousand. That's the heat loss for your house."
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"You have to do a heat loss calculation when it comes to hot water heat," I said. "That's all that matters. The heat loss."
He went out to his truck and came back a few minutes later with a tape measure, a pad and pencil and a calculator. He laid the tape around the perimeter, both upstairs and down, and recorded the numbers. Then he added it all up.| Dan Holohan - [Intro] | [Email] | [Website] |
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