Glad to see this site is around to warn those with web access. Like one of the other posters, we were sold a new unit to replace one that was still under warranty. They give you free bi-annual maintenance check ups but they really don't do much of anything that I can tell except try to sell you something else. Jeez! On the last visit they didn't even clean the filter! Didn't even look at it! Just told me that I needed all new duct work. Whether it's new duct work, a new compressor, ultra violet lights or whatever, they are... read full review »