I am in Phoenix Arizona area. Our summer temperatures sometimes go as high as 115+. I am in the process of replacing my 24 year old system and I am talking with contractors about both of the above cited 5 ton units (replacing a 5 ton unit -- for my downstairs). both contractors have suggested teaming either unit with a Hyperion air handler.
Given the extreme heat in Arizona, which unit do you think would do a better job of keeping the temperature comfortable?