The Department of Energy recommends replacing your HVAC system after 10 years for maximum efficiency. Some newer units can last up to 15 years, so it is essential to check when yours was installed and ask a professional how long it should last. If the heat pump or air conditioner is more than 10 years old, consider replacing it with a unit that has earned the ENERGY STAR label. These high-efficiency units can save up to 20 percent on heating and cooling costs if they are correctly installed.
The average lifespan of an HVAC unit ranges from 10 to 20 years, depending on several factors. Even if your system is more than ten years old and appears to be functioning, it is likely that it has become much less efficient and is costing you a lot of extra money. It is essential to be aware of the signs that your air conditioning unit needs to be replaced. These signs include:.