Why High-Efficiency Boilers Destroy Masonry Chimneys and How to Fix It
Installing a high-efficiency boiler into an existing masonry chimney might seem straightforward, but it is one of the fastest routes to chimney failure. The fundamental conflict is thermodynamic: high-efficiency appliances extract so much heat from the combustion gases that the exhaust temperature approaches the dew point by the time it reaches the chimney. When these […]
