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We have recently figured out the our bathroom exhaust fan has been blowing in, instead of out. We had this reversed(corrected). We have now seen an increase in our humidity within the house. We are at 60%. We believe that we have outside air coming in from somewhere, but we don't know where...

Our A/C unit was fixed today and the A/C guy said that we could turn on our unit right away. I said that shouldn't the mastic be allowed to set up? He said no, you can go ahead and turn on your A/C. I believe that Mastic should at least set up for 24 hours. Is this correct? Thanks, Doug

Our new airhandler is condensating just like the old on ethat was replaced. The A/C company has increased the plenum; the supply was lengthened and angled to eliviate turblance on the blower, etc. Does anyone have any ideas? It appears that the A/C company is just guessing. Thanks...

After having an authorized Lexxon dealer install a new airhandler, we are now being told we need more return air duct. Is there a calculation that needs to be performed based on house sq. ft, etc? Does anyone know? Thanks, Doug:confused:

My wife and I recently purchased a new home. The airhandler unit, which is located in the garage, continues to have condensation on the unit. The Lennox rep. and the local dealer were at our house to try to figure out the problem. It was determined that we had an air flow issue. They said...