That's a pretty well written description. IFF the tech was
reliable, then you have a leak in the walls, it seems funny he
wasn't able to detect it anywhere. If it's leaking into the
walls, there has to be an exit point for it and it'll be
If it's actually "freon" as you said, that has a pretty good odor
and at the loss rate you indicate, you should be able to smell it
How does he/you know, if the detector was functioning and being
Also, if this is in the attic, I don't know why a hole would have
to be made in a wall. It should be pretty easy to pull out the
old and fish in a new pipe. IMO at least; no expert here, just
an avid diy'er.
Just my two cents; I know it isn't my money, but if I were you I
think I'd try another service and if they came up with the same
results, consider replacing what needs to be done. It's still
cheaper than paying housecalls for freon every two weeks in your
: Hi Folks..
: I'm having an issue with one of the AC systems in my house..
: reasons only the upstairs unit seems to be leaking freeon.. But
: a tech come over, and check for leaks, using a device amde by
: Infinicon-Tekmate, that emits a beeping sound when freeon is
: However, the tech wasn't able to detect any leaks using that..
: tried using the bubble detector solution, but wasn't able to
: leaks with that either.. He did this in both places, in the
: the coil, and outside by opening the unit near the compressor..
: He said that the only other place that the freeon could be
leaking is in
: the pipes from the upstairs unit to outside, which would
: drilling a hole in the wall, pulling the pipe out, and
: then repairing the whole in the wall..
: However, when the tech replaces the freeon (with upto 2 pounds
: freeon), the AC is ice cold again, and the last time he
recharged it, it
: lasted for 2 weeks. Hopefully this time it will last longer,
: summer in the SouthEast will be over..
: I've also replaced the filters and vacuumed the vents..
: Has anyone seen this before.. where the freeon leaks over a
: say 2 weeks, but can't be detected, and upon recharging, it
: for another 2 weeks. ?
: Thanks in advance for your help..