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[boss302]

Their website doesn't mention square footage for how they rate their boilers. Does anyone know if the 6180 will heat 7000 sq feet?

Thanks

[koutsman]

I heat right at 4000 sq. ft. of house and a 1200 sq. ft. of garage with a 11ft. ceiling, 2-50gal. water heaters and a 500 gal. hot tub. And it does a very good job.
As I just looked at their website it seems that they have changed the size of the 6180 somewhat. My 6180 holds 500 gallon. the 6180 on the website now reads 350 gallon. Also the weight is lighter so I don't really know what to tell you.
If you plan on ever adding on to more than 7000 sq. I would probably go to the 8230 because it would probably push the 6180 too much.
If I were you I would give them a call.

[boss302]

Thanks Koutsman, that is the info that I was looking for some real time first hand experience. I would actually be heating 3950 square feet between the 2 houses along with (1) 80 gallon water heater and (1) 50 gallon water heater. The houses are 300 feet apart and I plan on installing the boiler in the middle, the larger house has 6" walls and Anderson windows (new house) the older home has average insulation and we installed replacement windows in it last fall.  After hearing what you are accomplishing with yours it sounds like my situation is doable.

Randall

[koutsman]

If you are buying new I still would try and find out from the company or a dealer if the size is still the same since they made their changes. Also I live in Northwest Indiana. How that compares with where you live could make difference also.