If you own multiple buildings over different sites, you can connect them to on account. This will save you from creating a new account and logging in / out each time.
Adding another site to your account
1. Click the building icon on the home page
2. Click Add Site
3. Input your site code and apartment information
Your account will then go through the usual approval process and you'll be notified once it's approved by the new site.
Switching between sites
1. Click the building icon at the top of the page (see above)
2. Click Change Site
3. Select your new site