A/C charge-up cost?

5 pounds of refrigerant is not a minor leak. Sounds as though the leak(s) has gotten worst in the past 2 years. How old is the unit?

The charge for 5 lbs of R-410A sounds reasonable - I believe it has increased in cost significantly in the past year. Labor - well weekend service, etc.

That’s a big leak bro

Did they discuss the leak? They are closed systems so shouldn’t leak. That’s not true that a leak means a system needs replaced, in fact it very rarely does unless you can’t get the parts or it’s more to fix then to replace. Most people just don’t like to spend money on parts and would rather replace, big difference though.

But the AC company should have either fixed the leak and told you where it was or had a plan to fix it. Some weekend service calls they just get it back cooling, then will come back to repair it later.

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thats a HUGE leak, most systems only hold 7-8 lbs of freon total

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I think mine is stated to hold 10 lbs, but he said it usually will take more than that.

Not sure why everyone is saying "huge" leak. A loss of 5 lbs from a pressurized system over 2 years? Significant, sure. But a huge leak would be hours or days until depressure, in my mind at least.

We discussed the leak. He said likely in the evaporator. He said not fixable- $3500 for a new bundle. Why is the evaporator the likely location? That's the low pressure point, isn't it? I would think downstream of compressor more likely. I guess tube config?

It's a furnace/AC combo in the attic and last time I looked I couldn't even figure out how to get to the tubes.