well I have had this unit 6 years every year they have to come out and work on it 2-4 times and my power bill goes to 500.00-600.00 each time but do they care no they got me to buy a lemmon so Im the one that got scewed but as many times as they have been out and still having to they could have replaced mine with two units so now we are both scewed and will be for the next 4 years untill the warenty runs out so they will be out as much money as i am what a shame they are not smarter than that. read full review »