Looking to replace an old Trane Heat Pump

DangarleppJune 4, 2012

Hi, my home here in Central Florida has it's original Trane heat pump from 1986 model BWR736E. 3 ton. It still works great and it's pretty cheap to run. I want to have a replacement unit picked out before it breaks.

I'm looking for reliability and cooling efficiency.

Would American Standard 4A6H5036E be a good choice? Do I need a 2 stage compressor here in Florida, I understand I need a variable rate air handler. My air handler is in the attic.

American Standard/Trane

Carrier

Lennex/Rheem

seem to be most popular and reliable around here.

Thanks for any help

Dan

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tigerdunes

Dangar

Just so you know, they don't build workhorses like that anymore.

My personal favorites would be AmStd Heritage 15 or Trane XR15 with best var speed air handler Tam 7 series. Add a small heat strip.

Are you in a coastal location/environment?

Here is my personal checklist.

Obviously correct sizing is important. If you are unsure, then request a
load calculation or even perform it yourself for a nominal fee online.

there are three equally important components-quality HVAC, the install by dealer, and probably the most overlooked and disregarded is the ductwork system.

these are my minimum specs for a new HP system. both outside and
inside units should be replaced to have a properly matched system.

15 SEER, 12.5+ EER, 9 HSPF
best matching VS air handler
full BTUs in both cooling and heating for your rated size
R-410a refrigerant(same as Puron)
scroll compressor preferred
electronic demand defrost preferred
thermostat with "dehumidify on demand" feature
staged backup heat strips
new and correctly sized refrigerant line set

you want a thorough inspection of your ductwork system. size, overall
condition, supply and return lines, insulation qualities, leak test, etc.

any hot/cold spot issues in your home should be addressed.

I would only use authorized dealers for the various brands that provide quotes.

see mfg websites.

I would look at Trane/AmStd,Rheem/Rudd,Carrier/Bryant.

Depending on your location, I would not purchase a new HP system that
did not have electronic demand defrost.

IMO

    Bookmark   June 4, 2012 at 4:20PM
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Dangarlepp

Thanks for all the good info, I'll research that stuff.
My house is one floor, concrete block, about 1700 sq ft
in Crystal River, Florida about 10 miles inland from the Gulf of Mexico. WE get about 15 nights a year that fall below 32 degrees, maybe one or two nights at 20. It ALWAYS gets above 50 during the day. This unit does get a little icy on the 20 degree nights.

    Bookmark   June 4, 2012 at 7:13PM
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weedmeister

I think the word is that the Trane families do better in a coastal environment (better corrosion protection).

    Bookmark   June 5, 2012 at 4:46PM
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