I have a 5-6yo outside AC unit (10 SEER)and a 28yo inside unit with gas furnace. The inside unit leaks R22 and is rusting from a leaky drip pan.
I have 3 contractors providing complete system replacement quotes. But the 3rd guy offered a repair option. He can replace just the inside unit for about 1/3 the cost of a complete system. The new inside unit is R410 upgradeable and can support 13SEER whenever the outside is upraded.
I'm only going to be in the house another 5-6 years.
I don't think a new system will pay for itself in that time.
Could R22 negatively affect home value when I sell?
What else should I consider when comparing repair or replace option?
Thanks for any advice