I had a ac system replaced end of season last year and recently had to turn it on During this heat wave in New Jersey. Old system was A 3 ton and was replaced with same size rheem unit inside and out with new duct work.
I have noticed that this unit can not keep up with the outside temperature and is continually running for hours,even after temps dropped today. My old unit did fine with with out long run times 10 years old
model # of units (rand -036jaz) condenser
(rhla-hm3617ja) air Handler
My house is 1868 sq ft single story with sun all afternoon on house.
Thanks for responses