Should You Replace Just the Inside AC Unit or the Entire System?

As an expert in the HVAC industry, I am often asked whether it is possible to replace just the inside AC unit or if the entire system needs to be replaced. The answer to this question is not a simple yes or no, as it depends on several factors. In this article, I will discuss the different types of systems, the age of the unit, and other important considerations to help you make an informed decision. When it comes to HVAC systems, there are two main types: split systems and packaged systems.

Split systems have separate units for heating and cooling, with the inside unit being responsible for cooling and the outside unit for heating. On the other hand, packaged systems have both heating and cooling components in one unit that is typically located outside. If you have a split system, it is possible to replace just the inside AC unit. This is because the inside unit is responsible for cooling and does not affect the heating component of the system.

However, if you have a packaged system, it is not possible to replace just the inside AC unit as it would also affect the heating component. In this case, you would need to replace the entire system. Another important factor to consider is the age of your AC unit. If your unit is relatively new (less than 10 years old), it may be more cost-effective to just replace the inside unit rather than the entire system.

This is because newer units are designed to be more compatible with replacement parts and can often be repaired rather than replaced entirely. However, if your unit is older (more than 10 years), it may be more beneficial in the long run to replace the entire system as older units are more likely to have compatibility issues with replacement parts and may require frequent repairs in the future. Additionally, if your AC unit is still under warranty, it is important to check the terms and conditions before making a decision. Some warranties may only cover the replacement of the entire system, while others may cover the replacement of individual components.

Other important considerations include the overall condition of your AC unit and the cost of replacement parts. If your unit is in good condition and only needs a minor repair, it may be more cost-effective to just replace the inside unit. However, if your unit is in poor condition and requires multiple repairs, it may be more practical to replace the entire system. It is also important to consider the cost of replacement parts for your specific unit.

Some units may have more expensive or harder-to-find parts, making it more cost-effective to replace the entire system rather than trying to find and replace individual components. In conclusion, whether you should replace just the inside AC unit or the entire system depends on several factors such as the type of system you have, the age of your unit, and its overall condition. It is important to carefully consider these factors and consult with a professional HVAC technician before making a decision. They can assess your specific situation and provide expert advice on the best course of action.

Remember, regular maintenance and timely repairs can help prolong the lifespan of your AC unit and save you money in the long run.