How Often Should You Change Your Ac Unit. Here are a few signs that may indicate that its time to replace your central air conditioning system with a new air conditioning unit. Theres no service or maintenance schedule here you dont need to recharge your air conditioning system every year or even every two years.
So in a perfect world you should only have to replace your AC once every 10maybe 15years. It means you can expect to pay double or triple what a homeowner with a new system pays to add freon. You see refrigerant a special chemical used to absorb and release heat from the air is contained within copper coils that travel in a giant loop from your indoor AC unit the evaporator to the outdoor AC unit the condenser.
Sometimes upgrading to a new AC with R-410A instead of Freon can be a more cost-effective solution in the long run.
So in a perfect world you should only have to replace your AC once every 10maybe 15years. To get back to the question of how often an AC system needs to be recharged the answer is it depends. The frequency at which your air filter should be changed depends on a variety of factors including the type of filter in your HVAC unit. But as with all mechanical equipment ACs can wear out sooner than their expected lifespan.
