The decision to replace or repair cooling equipment should always be made with the advice of our experts at Action Furnace. We can evaluate the age and health of your system and give you a realistic forecast for future repairs. Every home’s cooling is unique. But generally, an air conditioner 10 years or older should be considered for an upgrade. As HVAC systems age and the repair frequency increases, there comes a time when a new cooling system will save you money in the long run.