
Condensing vs Standard Boilers: 92% Efficiency, 9.8% Less Gas
Condensing boilers list 92% or better heating efficiency against the mid-80s for standard units. Converted at Seoul's 22.5268 won per MJ gas rate, the bill gap narrows to 9.8%.

Condensing boilers list 92% or better heating efficiency against the mid-80s for standard units. Converted at Seoul's 22.5268 won per MJ gas rate, the bill gap narrows to 9.8%.