Laird & Son

Laird & Son

High Efficiency Combination Boiler for Radiators in Old Homes

There is a problem. Most high efficiency boilers installed in older homes only achieve their efficiency rating for a portion of the time. These units operate as more of a high mid-efficiency boiler. High efficiency means over 90% and this is called condensing when water vapor in natural gas is condensed into liquid during the combustion process. For this to …

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