The central air setup in my house is garbage, 35 yrs old and no longer functions. Currently getting quotes on a full replacement including all new ducts. Brands quoted are Rheem, Payne and Daikin 2.5 Ton 13 Seer units, only negative feedback received so from a competing vendor is that the Daikin is total crap. Any first hand advice with these brands or even contractors in the Randolph area?