the item that drew me to the Schlage was the Trane thermostat that requires the wireless adapter. The very fine print on the box does say that a monthly fee is required. If you add up all the monthly fees for the 10 year life of the thermostat, you have over $1,500.00. For that I can run a Windows server and do many other things. $1,500.00 is a lot of money to have the house cool 15 minutes sooner. Sorry Schlage / Trane / Ingersol Rand. BJ