single or two stage system for 2 story house with upstairs cooling
One place quoted me a single stage 60k btu trane 92% system he claims dont need 80k He then said if i really wanted 80k btu he d recommend a 2 stage system either 2 stage regular or variable Going from 6k for the single to 6700 7600 for the others I ve since requested the 80k quote 95 efficient