John Siegenthaler: Hydronics Workshop

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The market for high-efficiency boilers that burn cordwood, wood pellets or wood chips is growing in North America

Back to the future in hydronics

Opportunity awaits but it has to be controlled in radiant heating

In situations like this, it makes sense to prioritize use of the lower-cost energy wherever possible.

Several of the pellet-fired boilers now available in North America can operate at steady state combustion efficiencies of at least 85%.

Air-to-water heat pumps extract low-temperature heat from outdoor air and deliver it to a stream of water.

Not just for skyscrapers.