Hi I posted a thread last week about different technicians trying to determine the tonnage of my AC units and they came up with different numbers. Here are the unit models:
(1) Janitrol Model CKL 36-1D
(2) This one is a bit tricky because part of the label has torn off, leaving only part of the model number visible. The manufacturer is Rheem and it's model RAF8-04..........can't read the rest. However, after the digit "4" the next digit seems to be a "2" because I see part of the "2" in the lower left hand corner, I think it's a "2".
Another question is I noticed the Rheem unit has a main return in the hallway, but each of the four bedrooms has their own 10"x10" return and vent. I don't remember seeing an central AC system with so many returns. The main return needs a 23"x17" filter and each of the 4 room return require a 9"x9" filter. Is it efficient to have so many returns?
Thanks,
MC