The Morgan 60C boiler model offers a very generous output of 16Kw as 12Kw to water and 4Kw to the room which is adequate for heating the whole of your average 3 or 4 bedroom house with the added feature of being set into your fireplace without adding to your hearth or the intrusion of a freestanding stove. Heat Output: 16Kw (12Kw to Water, 4 Kw to Room)