Heating and cooling systems are essential to anyone living in the Bay Area, but they don’t last forever. There will come a time when your old HVAC system starts to struggle. At that point you need to assess whether you need a new air conditioner or a furnace replacement. So let’s review the signs that will help you decide when that time has come.
![Gas Furnace Old HVAC System](https://www.element-hvac.com/wp-content/uploads/2021/09/iStock-136141946-gas-jets-624x416.jpg)