The following information will show you how to merge multiple alarm.com accounts. This is useful if you want to control two systems using one account.
Click on the "Profile" tab.
Click on "Multi-System Access".
Type in your "Login" and "Password" in the appropriate fields and click "Submit".
Once the information is submitted, you will notice the account gives you a drop down box in the upper right hand corner, which allows you to select which system you would like to view.