escape through the boiler flue. The experts noted this is particularly likely if your boiler flue seems to be constantly releasing steam. Heating Engineer Stephen Day explained you can stop this ...

it wastes energy as excess heat escapes through the boiler flue. So, if your flue constantly looks like a chimney you might ...

We are applying some of the same concepts but using low-temperature condensate as our heat sink, and we are condensing the flue gas in a high-pressure steam boiler! Below is an example drawing showing ...