I think this is solved. It was the larger diameter of the two lines that was frozen.
Thanks all for the help. I'll try and clean the cooling coil. Maybe contact a contractor about a recharge / leak check.
I dont think its a new thing. I've just been using the A/C more lately and noticed it.
The taped off vent is a supply vent. I also replaced the filter. If the air flow is low then it would be from the heat exchanger assembly impeding the air (or something else in the ducts that I havent...
I have a (hopefully) simple question about the central air system in my condo. When I run it for a long time the refrigerant line supplying the heat exchanger freezes up. I suspect that this might be normal for days when it is a bit humid. I have the vent in the basement taped off so all of the...
