Resolved after 20 hours 13 minutes, affecting My Total Connect Comfort Application, on February 3, 2026.
We are continuing to investigate intermittent issues with our TCC application and web portal and have made progress in identifying potential causes. Our team is actively working towards a resolution and will provide further updates as work continues. In the meantime, thermostats can still be used directly to control your heating and cooling system. We apologize for any inconvenience and appreciate your patience.
Affected components
Update timeline
- investigating Feb 03, 2026, 05:02 PM UTC
We are aware some of our customers are experiencing intermittent issues with our Total Connect Comfort (TCC) application and web portal. Our team is working to resolve as soon as possible. The thermostat can still be used directly to control your heating and cooling system. We apologize for any inconvenience caused.
- investigating Feb 03, 2026, 06:36 PM UTC
We are continuing to investigate intermittent issues with our Total Connect Comfort (TCC) application and web portal. Our team is working to resolve this as soon as possible. The thermostat can still be used directly to control your heating and cooling system. We apologize for any inconvenience caused.
- investigating Feb 03, 2026, 08:04 PM UTC
We are continuing to investigate intermittent issues with our Total Connect Comfort (TCC) application and web portal. Our team is working to resolve this as soon as possible. The thermostats can still be used directly to control your heating and cooling system. We apologize for any inconvenience caused.
- investigating Feb 03, 2026, 11:03 PM UTC
We are continuing to investigate intermittent issues with our TCC application and web portal and have made progress in identifying potential causes. Our team is actively working towards a resolution and will provide further updates as work continues. In the meantime, thermostats can still be used directly to control your heating and cooling system. We apologize for any inconvenience and appreciate your patience.
- investigating Feb 04, 2026, 07:13 AM UTC
We are continuing to investigate intermittent issues with our TCC application and web portal and have made progress in identifying potential causes. Our team is actively working towards a resolution and will provide further updates as work continues. In the meantime, thermostats can still be used directly to control your heating and cooling system. We apologize for any inconvenience and appreciate your patience.
- investigating Feb 04, 2026, 09:00 AM UTC
We are continuing to investigate intermittent issues with our TCC application and web portal and have made progress in identifying potential causes. Our team is actively working towards a resolution and will provide further updates as work continues. In the meantime, thermostats can still be used directly to control your heating and cooling system. We apologize for any inconvenience and appreciate your patience.
- resolved Feb 04, 2026, 01:16 PM UTC
Systems are operational.
Your product runs on more than Resideo
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.
Amazon Web Services