I have a question on matching units. In my dads house his electric heater recently got busted. I opened the air handler to just check it out and also saw it was very dirty. I was kinda disgusted lol and I was like if its going to cost a couple of hundred to fix it , what if we just replace it and also replace his plenum and ductwork. He has a 3 ton rheem r22 system and its about 10 yrs old. I;ll post its model # later for you guys. The unit is kinda of oversized also because his house is 1187 sq ft. I haven't done a hvac calculation yet. But the 3 ton has been working good for a while.
But anyways that's just background info for you guys. So in my quest of looking for a new air handler I found a brand new 2.5 ton Goodman AWUF300816BA air handler for a nice price at surplus equipment outlet shop.
This the PDF manual for the unit.
This unit has a flowrater and no txv. I don't know if that will have a problem with the outside unit by not having a txv. I know this has 2 speeds with high at 1255 cfm and low at 1115 cfm. His current rheem air handler is set also I think at 1200 cfm. The unit takes both R22 and R410. I was thinking of getting this unit for the time being and later change the outside condenser to also 2.5 ton with R410 freon. Also I will add some more insulation in his attic as there isn't much there except for very old compressed cellulose insulation.
Do you guys think the it will be ok to use the 2.5 ton air handler with the 3 ton condenser? The unit is going to be installed by my uncle who is a licensed mechanical contractor in florida...lol although I havent ask him yet. If you guys think its a bad idea or this unit is a bad unit then I will look for another air handler then.