Using a smart thermostat to monitor the temperature in your home is a good idea. But if you want more control over the temperature of each room, you are going to need a solution like Linq Smart Vents. These vents can be set up easily and open / close automatically to redirect airflow. You can control them from your smartphone. There is also a hub that uses advanced algorithms to keep you comfortable and save you money.
Linq vents are renter friendly. They feature temperature, motion, light, and pressure sensors. The battery life lasts for up to 2 years. The Hub is compatible with Z-Wave and has a WiFi module. Like what you see? You can find this product on Kickstarter.