Major incident

Resideo: Total Connect Comfort (TCC) - Partial Outage

Nov 2, 2026, 11:21 UTC

started

12:40 UTC

resolved

1 h 19 min

duration

Affected: My Total Connect Comfort Application, Total Connect Comfort International Application, Total Connect Comfort International Web Portal

Current status of Resideo: Operational — live Resideo status

Timeline

Nov 2, 2026, 11:21 UTC
investigating
We are aware some of our customers are experiencing issues with our Total Connect Comfort (TCC) application/webpage. The thermostat can still be used directly to control your heating and cooling system. We apologize for any inconvenience this may have caused.
Nov 2, 2026, 12:22 UTC
identified
We are aware some of our customers are experiencing issues with our Total Connect Comfort (TCC) application/webpage. The thermostat can still be used directly to control your heating and cooling system. We apologize for any inconvenience this may have caused.
Nov 2, 2026, 12:40 UTC
resolved
Total Connect Comfort (TCC) app and website login have been restored.

Updates as published by Resideo (original).

This was part of a wider event: 13 services reported incidents within the hour.

Grafana Cloud 12:14 UTC · Missing Metrics for Some Synthetic Monitoring Checks using the Montreal, North Virginia, and North California public probes
Tenable 12:03 UTC · Tenable Cloud Security: Sync delays
Autotrader 11:59 UTC · Finance API Preproduction - Performance degraded
HMH Platform 11:43 UTC · ED: Email Delivery Disruption
Fly.io 11:19 UTC · Emergency maintenance in IAD
Batch 11:19 UTC · Dashboard instability and message delivery disruption
HubSpot 10:28 UTC · HubSpot is experiencing issues
Scaleway 10:28 UTC · [NETWORK] - [DC5] RPN switch is down on DC5/S9/C52