Our air conditioning system, a 2 stage unit made by Lennox, is what we inherited when we bought our home 4 years ago. In each summer we've had trouble with it, having compressors replaced (that wasn't the problem) and the same for many other parts. In short the unit has never worked correctly and this summer is no exception. The interesting part of this is that every time a service person replaces a part, the unit works WORSE than before. That has now happened so often that the unit has collapsed. It has such a bad reputation in... read full review »