You’ll have access to Family Accounts so long you’re using the latest version of Ecobee’s Android or iOS apps. It’s a simple update, but it could go a long way toward locking down your smart home tech. It reduces the chances of a lost phone posing a threat to your smart home account, for a start. This also makes it more realistic to trust smart home controls to guests. You can let a good friend turn up the heat without giving them more authority than they really need.

People in a handful of cities (Atlanta, Boston, Denver, Las Vegas and San Diego) will also get help contacting professionals through Handy, so you might not have trouble booking a service appointment.

HVAC warnings aren’t completely new. Users have received alerts for more immediate problems. However, Google is now focusing on symptoms that may take a long time for humans to spot. In a sense, it’s offering a peek at a future where your smart home does more to anticipate problems and help fix them before it’s too late.