I have 2 Comfort model (NAC224AKA5) HVAC systems. Both are 14 years old and are starting to see repairs necessary. It is no longer under warranty and I'm wondering if I should upgrade one of them. They both put out enough cold air and don't have any leaks. Repairs have been normal such as the capacitor and a circuit board but no other issues. I'm assuming the motor will be the next thing to go.
I asked for some quotes and got one for a Trane S96 Furnace and XR16 A/C at 12,000$ installed, total. Not sure if that's a good price. Are there cheaper hvac systems that would work just as well? This comes with wifi etc but I don't need fancy, I just need it to work. I've read on Consumer Reports that once the repairs equal 50% of a new system, that's when you should swap it out. I have solar power for electric and the most my bill gets during the summer months is 80-90$. I've read online about "You should replace them after 15 years" but that all seems to be from companies that base their lively hood on installing and repair of systems. They both still run on R22 also, which I know is being phased out by 2020. Any advice is greatly appreciated.
Edit: Quotes are for New Jersey
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