JP Posted November 8, 2010 Share Posted November 8, 2010 My 15 year old inherited Protherm has given up the ghost. Am having a new one fitted, anyone know the French for 'condensing boiler' plus any advice in terms of what to ask for? I have a 3 story stone house, about 180 m2 living, 10 iron radiators & 2 'seche serviettes' to heat, plus the water tank so am thinking about 30Kw? Thanks ... JP Link to comment Share on other sites More sharing options...
pachapapa Posted November 8, 2010 Share Posted November 8, 2010 chaudière à condensation Link to comment Share on other sites More sharing options...
JP Posted November 8, 2010 Author Share Posted November 8, 2010 Wonderful, thanks Link to comment Share on other sites More sharing options...
Gluestick Posted November 8, 2010 Share Posted November 8, 2010 Measure the actual physical room sizes (Volume). Estimate the heat losses: measure the window sizes; how is the overall insulation?30Kw seems rather small: for an area of your size, you would probably need a System Boiler: bear in mind, condensing boilers only achieve their claimed energy savings when running at maximum and when running: the usual system hysteresis (Start-Stop: Start-Stop) won't work for a condensing boiler.In installation this is normally overcome by specifying smaller radiators, so that the boiler tends to operate constantly.For hot water install a Ballon, running on cheap night (e.g.) rate. Far cheaper than gas or oil. Link to comment Share on other sites More sharing options...
JP Posted November 8, 2010 Author Share Posted November 8, 2010 OK - Thanks for that, will ask our man about a ballon. Insulation is not great - we seem to have cheap'ish double glazing, wooden frames in an old'ish house & stone construction - its beocming apparent, after moving in in Mar, that the previous owner did everything on the cheap. Link to comment Share on other sites More sharing options...
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