Uears of issues! The dehumidifier product is over rated and does not produce for the square footage marketed. I have 3700sq ft home and can not get 5k units to lower humidity lower than 47% unless the HVAC company temporarily put two 5000 sq ft units in the basement to test the purchased unit. Then they removed the 2nd unit, I have to leave doors open, other door closed. Stand on one leg with a finger in the air to get the house below 50 percent. :). Aprilaire is terrible since they ultimately do not provide quality customer support to consumers. If u select customer on the phone u get to leave a voice msg. If u call and select contractor u get far better service until they figure out u are a consumer then they can not get u off the phone fast enough even if they are not truthful. The two 8730 zone temperature control units are off by hugh amounts. One can freeze rooms in zones set to warm 72 and burn up while trying to cool other zones again at 72. They have replaced unita but zero solutions. They have a great sales and market department. My HVAC company said a rep was coming, and he would contact me to discuss. Again zero direct contact from Aprilaire rep. This is American company that i recommend staying away from even if ur HVAC pushes u towards them as mine still supports. I'm looking to switch out every piece of Aprialaire equipment as soon as I have the funds. User's recommendation: Never.