Date Published: March 25, 2025, Last Updated on March 25, 2025 by Paul Hayward

Should You Repair or Replace Your Split Air Conditioning System?

Your split system air conditioner keeps your home comfortable year-round, but what happens when it stops working properly? If you’re facing costly repairs, you might wonder, should I repair or replace my split air conditioning unit?

This is a common dilemma for homeowners. While air conditioning repair can be cost-effective, sometimes replacing your unit is the smarter long-term choice.

Below, we’ll cover everything about air conditioning repair, the signs your system needs attention, and how to decide whether it’s time for an upgrade.

Signs your split air conditioner needs repairs

Before replacing your unit, consider whether a repair might be enough. Here are some common issues that indicate your split air conditioner needs attention:

Weak cooling performance

If your unit isn’t cooling as it should, it may need a refrigerant top-up, a filter change, or a professional inspection.

Strange noises

Grinding, rattling, or hissing sounds could mean an issue with the compressor or fan.

Higher energy bills

A sudden increase in power bills may indicate your split air conditioner is working harder than it should due to wear and tear.

Water leaks

Leaking water inside or outside your unit could indicate a blocked drain or a refrigerant leak.

Frequent cycling

If your split air conditioner turns on and off too often, it might have a faulty thermostat or electrical issue. An air conditioning service can diagnose the problem. If these problems are minor and repair costs are reasonable, fixing your split air conditioner might be the best choice.

When it’s time to replace your split air conditioning unit

Sometimes, replacing your split air conditioner is the better investment. Here are some signs it’s time for an upgrade:

Your split air conditioner is over 10-15 years old

Older systems are less energy-efficient and more prone to breakdowns.

Repairs are becoming too expensive

If repairs cost more than 50% of the price of a new unit, replacement is the smarter choice.

Your energy bills keep increasing

New split air conditioner models are more energy-efficient and can save you money in the long run.

Frequent Breakdowns

Constant repairs mean it’s time to invest in a new system rather than patching up an old one.

Your home isn’t cooling properly

If your split air conditioner struggles to maintain a comfortable temperature, it may be too small for your space or nearing the end of its life.

The cost of repair vs. replacement

A simple repair like replacing a capacitor or fixing a refrigerant leak might cost a few hundred dollars, while major issues like a faulty compressor can be expensive.

On the other hand, the cost of installing a new split air conditioning system varies based on the model and installation requirements, typically falling within a broad price range.

That’s why it’s essential to weigh the costs and benefits of each option and whether to repair or replace your split air conditioning unit.

When to choose repair:

• Your unit is under 10 years old
• Repair costs are low
• The issue is minor and won’t lead to further problems

When to choose replacement:

• Your unit is outdated and inefficient
• Repairs are becoming frequent and costly
• You want improved energy efficiency and lower bills

Choosing the right split system air conditioning replacement

If you decide to replace your air conditioner, consider these factors:

• Energy efficiency: Look for models with a high energy rating to reduce running costs.
• Cooling capacity: Choose the right size split air conditioner for your home. If it’s too small, it won’t cool effectively; if it’s too large, it will waste energy.
• Smart features: Many modern split air conditioners come with Wi-Fi control, timers, and advanced filtration for better comfort.
• Installation costs: Factor in professional installation to ensure your system runs efficiently.

Making the Best Decision for Your Home

Deciding whether to repair or replace your split air conditioner depends on cost, efficiency, and the age of your unit. If your air conditioner is still in good shape, air conditioning repair can extend its life.

But if it’s outdated, inefficient, or constantly breaking down a new system, it may save you money in the long run.

Call us at 0404 614 814 or submit an enquiry for professional split air conditioning repairs, servicing, and installation. We’ll help you find the best solution for your home!