I posted this on another forum and it just seemed to be a big joke, so I thought I might get better advice here.
I bought a 3000 square foot home that had a furnace that needed to be replaced. The previous one was 120k BTU and I had 4 estimates for a new system and 3 of the 4 people recommended it be replaced with a 125k system.
I ended up going with the one guy that recommended a 100k rheem system, but I asked if we could do a 125k since the others recommended it.
The system is now installed and seems to be short cycling. I live in a split level, so it has 4 small floors and the 3rd floor gets much colder then the rest of the house. I assume the system is marginally too big for the house.
The guy that installed the system said that the 3rd floor has an undersized duct (8x8) so he recommends putting in a larger duct to accommodate air flow and that he can turn up the fan which will stop the short cycling.
I just shelled out 1000's of dollars for this new system, so the advice on the other forum to throw this one away and get a smaller system isn't really appreciated.
Would anyone have any other advice other then replace it?
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