1. The heating system in our house is not working properly and needs to be fixed.
2. We upgraded to a more energy-efficient heating system to save on our utility bills.
3. The heating system in the office broke down, so we had to work in the cold.
4. It's important to have your heating system inspected annually to ensure it's running efficiently.
5. The heating system in the school is controlled by a central thermostat.
6. We installed a new heating system in our home that can be controlled remotely through an app.
7. The heating system in the building is powered by a combination of gas and electricity.
8. The heating system in the hotel was so efficient that we were always warm and comfortable.
9. The heating system in the car stopped working during the winter, making it difficult to drive in the cold.
10. It's essential to have a reliable heating system in place before the winter months arrive.