Could be anywhere.
The condensing unit could have a leak or perhaps the tech that replaced your indoor coil did not do a proper weld. Did he show you where the leak in the coil was before replacing the old coil?
Did he evacuate the system after he replaced the coil?
How long did it hold the charge?
The leak was at a capillary tube.
Evacuate the system?
2 days ago, about 3 lbs of feron was added to the system the charge last less then 24 hours.
I don't know if he put it in a vacuum or not... Since the inside coil was replace last year, wouldn't there has been some indications that the tech did not vaccum the system?
I have a heat pump system...I did not have any problems heating my home during the winter months. I did not start having problems again this year until I started trying to cool my home this summer. This the same way things went (as i mentioned above) last year...
Do you think there could be a leak outside at the compressor?
It is possible, but I find it very peculiar that first your indoor unit leaks at the cap tube and now you have a leak in the condenser. When the tech finds the leak, make sure he shows you where the leak is and how he determines that is the leak. Whether he uses an electronic leak detector or a dye he should be able to show you the leak location.
You would not notice if you had a problem of low refrigerant in the heating mode unless your electric bill was higher than normal. You have backup electric heat that will kick in if the heatpump cannot keep up with the demand. No such backup exists for cooling.
What about possible leaks at the outside lines that carry refrigerant to and from the condenser, or other possible locations for example: sharder valve, at the accumlator(s) at any of the flare connections, the pump coil or the filter dryers?
HVAC Technician
6 years in the HVAC industry.