K guys ive got one of those fancy 2 stage 90% efficient keepright furnaces, but only run on hi stage that is 50 000 btu, and dont use a dc motor for the fan, so its on full blast all the time anyways...
right now were heating our small converted cottage (under 800' main floor) and 2 story over half (under 400 sq) in my un professional shade tree mechanic/house DIY contractor its way over powered since when it comes on it blows the roof off...my question is how big of an area can these furnaces heat? were planning on adding an addition and just seeing if we need to upgrade or if we will be alright?
just FYI i ran all the ductwork in our crawlspace (all 17" of it) i hung it from the floor joists and it runs in the horizontal setup, it can be ran in 4 different positions...
thanks for any info guys