With Insteon Hub (2245-222) and Google Home, you can control Insteon-connected lights and appliances with your voice. The following article covers pairing your Insteon Hub account with the Google Home app.
For Android users with a Home device go to the Google Home support page. If you do not have a Google Home device installed make sure the install the Google Assistant app so that you get access the Google Assistant Home Control settings.
Launch the Google Home App and tap the drawer button in the upper left corner
Tap Home control
Tap the "+" button in the lower right corner
Scroll through the list until you find Insteon and tap on the name
Enter your Insteon account information and tap Sign In
You will see a list of your devices and any scenes you have created. Here you can also add them to rooms that are specific to Google Home (so you can control multiple devices with a single voice command). Tap Done when finished.
Tap Got It and you're all set to start controlling Insteon devices with your voice from Google Home.