Most Efficient way to run mini splits with steam boiler ...
2017-9-23 · Steam boiler is 375k input, 300k output. It's oversized by almost 100k. A 275k would be just about right. The 200k boiler is 164k output, with 33% pickup factor, it's designed for 123k of radiation. Which is pretty close to what you'll see, nearly 2x the radiator capacity as the homes heat loss.
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