Re: when should I reaplace my 17 year old trane Central AC? unit
Your chance of getting another 17 years without recharge is not good.
There is virtually no small leaks like that.
Oil circulates with the refrigerant and coats everything. Trash in the oil plugs small leaks.
So leaks are usually cracked lines with the crack perpetuating or charging fitting, etc.
Have you frozen up the evaporator coil? This can cause a leak.
But if you can find the leak they are usually quite easy to fix.
Look for oil spot on the lines.
You got to have the equipment.
Seems like the main benefit of the mini splits is that you can run them with solar arrays.
They don't have the large inrush upon start.
In a few years all refrigeration will be this way.
Have friends in the industry who report that their R&D is full of inverter driven stuff.
I am retrofitting a 34 year old heat pump.
It is getting a 3 phase compressor, VFD and some other things.
Have it running with manual control and it looks good.
Still have to get the controls adapted.
It starts with 0 amp inrush and the amps ramp up with rpm.
Looks like it is drawing about 75% the power as the single phase compressor.
5.4 Kw PV on home built sing axis track, 55 KwHr Flood Pb, 6 Kw Inverter, 10 Kw Kohler LP remote start
Off-Grid Cabin - 1.5 Kw PV, 22 KwHr storage, 4 Kw inverter, 20 Kw 208V 3p low speed diesel, home built 12 step charger