The A/C Was Installed More Than 10–15 Years Ago
If your air conditioning unit was installed more than 10-15 years ago, it might be time to consider replacing it. Even with regular maintenance, air conditioning units have a lifespan, and as they age, they become less efficient and more prone to breakdowns.
As air conditioning units age, they become less efficient at cooling your home and removing humidity. This can lead to increased energy bills and decreased comfort levels in your home. Additionally, older units may require more frequent repairs, which can add to cost and inconvenience.
Replacing your air conditioning unit with a newer, more efficient model can provide several benefits, including increased comfort, lower energy bills, and improved indoor air quality. Newer units also have advanced features, such as smart thermostats and air purifiers, which can further enhance your home’s comfort and air quality.

The 5,000 Rule
The 5,000 rule is a guideline used by some HVAC professionals to help determine whether it’s more cost-effective to repair or replace an air conditioning unit. The rule states that if the cost of a repair multiplied by the age of the unit is more than $5,000, it’s typically more cost-effective to replace the unit rather than repair it.
For example, if your air conditioning unit is ten years old and the cost of the necessary repair is $500, the calculation would be as follows:
$500 (cost of repair) x 10 (age of unit) = $5,000
In this scenario, the repair cost multiplied by the unit’s age equals $5,000, which meets the threshold set by the 5,000 rule. Therefore, it may be more cost-effective to replace the unit rather than repair it.
However, it’s important to note that the 5,000 rule is not hard and fast, and there are other factors to consider when deciding whether to repair or replace an air conditioning unit. For example, if your unit is still under warranty, it may be more cost-effective to have it repaired rather than replaced, even if the repair cost multiplied by the unit’s age exceeds $5,000.
The System Uses R-22 Refrigerant
If your air conditioning system uses R-22 refrigerant, also known as Freon, it may be time to consider replacing it. R-22 refrigerant has been phased out by the Environmental Protection Agency (EPA) due to its harmful effects on the ozone layer. As a result, it is becoming increasingly difficult and expensive to obtain R-22 refrigerant, and it will eventually be completely unavailable.
In addition to the environmental concerns, using R-22 refrigerant can lead to increased maintenance costs. As the supply of R-22 dwindles, the refrigerant cost has increased significantly. This means that if your air conditioning system requires a refrigerant recharge, it can be much more expensive than in the past.
Replacing your R-22 system with a newer, more environmentally friendly model can provide several benefits, including lower maintenance costs and improved energy efficiency. Newer units use alternative refrigerants that are less environmentally harmful and have a smaller carbon footprint.

Heating and Cooling Bills Are Getting Steeper
As air conditioning units age, they become less efficient at cooling your home and removing humidity. This means they have to work harder and use more energy to maintain the same comfort level in your home. If your heating and cooling bills are getting steeper, it may be a sign that replacing your air conditioning unit is time.
In addition to reduced efficiency, older air conditioning units may have worn-out, outdated, less energy-efficient components than newer models. These components can include motors, compressors, and refrigerant lines, leading to increased energy consumption and higher bills.
Replacing your old air conditioning unit with a newer, more energy-efficient model can help you save money on energy bills. Newer units come with advanced features such as variable-speed motors and smart thermostats, which can help regulate your home’s temperature and humidity levels in your home more efficiently.
If you suspect it’s time your AC took a bow, reach out to us at True Blue. We’ll help you identify which SC is most suitable for your home according to your budget. Reach out today!