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System Health Monitor from Google Nest

Google Nest System Health Monitor is available in eligible regions in the US and Canada.

System Health Monitor is a thermostat feature that can help you identify potential issues with eligible heating, ventilation and air conditioning (HVAC) systems. If a potential issue is detected, you'll receive an alert via email or a Google Home app notification.

Learn what different System Health Monitor alerts mean

Learn how to get System Health Monitor Pro assistance

How System Health Monitor works

Sometimes, your System Health Monitor system shows warning signs that it’s having issues. For example, if it takes longer than usual to cool your home, there might be a problem with your cooling system (AC). We may send you an email alert or a Home app notification when one of the warning signs is detected.

The alert email or notification will tell you what your thermostat noticed and which system (heating or cooling) may have been affected. You may also be shown contact information for a Pro, if you have one recorded in your thermostat or if you are in an eligible region. 

Important: System Health Monitor is not meant to replace the diagnosis of a qualified HVAC professional. We make no endorsement, representation, or warranty about the health of your HVAC system. You may still experience issues with your HVAC system that we don't alert you to.

Eligible System Health Monitor systems

  • System Health Monitor is currently available for forced air HVAC systems, which use vents to move air through your house. Radiant systems, which have radiator or in-floor heating, aren't eligible for System Health Monitor at this time.
  • System Health Monitor is currently available in the US and parts of Canada.

Types of System Health Monitor alerts

Urgent alerts

If Nest detects a potential issue that may require immediate attention, you'll receive an urgent alert as soon as we detect the problem. For example, if you turned on your heating system but your home became colder, you may have a severe problem with your heating system.

If eligible you'll get a notification about these urgent alerts:

  • Your heating system was on but your home failed to heat up
  • Your A/C system was on but your home failed to cool down
  • Furnace shutdown or Heads-up

Learn more about how urgent alerts work.

Early warnings

If Nest detects an issue that should be fixed soon, you'll receive an early warning alert within a week of detecting the problem.

Note: To trigger an early warning alert, a detected issue must meet a threshold set by Nest. 

If eligible, you’ll get a notification about these early warnings:

  • Your heating system briefly stopped heating your home several times
  • Your A/C system briefly lost power several times
  • Your A/C ran longer than before
  • Your heat pump has a potential problem
  • Filter reminders (based on run time)

Learn more about how early warnings work.

Manage settings or opt out of System Health Monitor

If you have an eligible Nest thermostat, you’re automatically opted into System Health Monitor. 

  • If you use a Google Account, you’ll always get urgent alert notifications, but you can opt out of urgent email alerts and early warning email or Home app notifications by turning them off with the Home app. 
  • If you use a non-migrated Nest Account, you can only get urgent or early warning emails. Turn off early warning emails by opting out in the footer of those emails.
  • You may not opt out of System Health Monitor urgent alerts because they let you know about serious issues that you need to be aware of. 

Manage System Health Monitor settings with the Home app

  1. Open the Home app  and then tap your thermostat and then Settings .
  2. Under Features, tap Notifications and then Thermostat and then System Health Monitor and then select your preferred settings. 

Manage filter reminder settings with the Nest app

  1. Open the Nest app Nest app and then select your thermostat.
  2. In the top right corner, select Settings Nest settings icon and then Equipment and then Air filter reminder and then select your preferred settings.

Manage filter reminder settings with the Home app

Open the Home app  and then tap your thermostat and then Settings .

Select Notifications and then Air filter reminder  and then select your preferred settings.

What to do if you get an alert

If you get an System Health Monitor alert from Nest, you can choose what to do next. You may want to take some of these steps:

  1. Check for issues outside your HVAC system. For example, if someone left the back door open while the air conditioning was on, your A/C system may have been unable to cool your home as effectively.
  2. Learn what different System Health Monitor alerts may mean. In some cases, you may be able to identify and fix the problem yourself. 
  3. Get System Health Monitor Pro assistance. Some of our alerts include a pro’s contact information or a way to book a pro on Handy.
    1. In some regions, if you want to get emails from us about Pro booking services that you are eligible for, you may need to sign up for Nest marketing emails.

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