Before you can connect Google Assistant with Surrey smart devices, please kindly follow below steps: 1. Download "Surrey Smart" app from Google Play or App Store; 2. Sign up or sign in with your Surrey App account; 3. Setup the device with your "Surrey Smart" app, and make sure you can control it by the app; 4. Search "Surrey Smart" action and account link it 5. When setup is ready, try ask OK Google to control your devices 6.You can use the "Surrey Smart" to control air conditioner in your house by voice - "OK Google, turn on the air conditioner", "OK Google, turn off the air conditioner", "OK Google, change the air conditioner speed to low".