Should I Repair or Replace My Broken Air Compressor?

Cost is the primary factor to consider, both in the short term and long term. While purchasing a new compressor can be costly, it’s important to consider the total cost of ownership over a 10-year period. The initial purchase price typically represents only about 10% of the overall cost, with electricity consumption accounting for around 75% of the expense. Other key factors in your decision to repair or replace include the compressor's age, its energy efficiency compared to newer models, and its repair history and reliability (i.e., the likelihood of future breakdowns). Before making a final decision, it’s also a good idea to inspect the system to ensure the issue isn’t something simple that can be easily repaired.

Your compressor may have broken down for various reasons, and not all of them indicate irreparable damage. Here are some common issues to check before deciding whether a repair or replacement is necessary:

• Power source – Is there an issue with the system or connections between the compressor and the power supply that could have caused the failure?

• Oil levels – When was the last time you checked and adjusted your compressor’s lubricant levels?

• Excessive noise – Unusual sounds may point to issues with bearings, flywheels, belts, or crankcases.

• Excessive oil consumption – This could suggest worn piston rings, poor ventilation, or loose bolts—problems that may be resolved with minor adjustments or replacements.

• Overheating discharge air – If the air coming out of the compressor is excessively hot, it could indicate a malfunctioning cooling system that may need repair or an upgrade.

• Belt wear – Excessive wear typically results from belts being too tight, too loose, or misaligned.

• Frequent fuse blows – Blown fuses might indicate that they’re not the correct size for your compressor’s electrical load. Replacing them with the correct size could resolve the issue.

By identifying potential issues early, you can guide a repair technician to the root cause more quickly, saving both time and money.

If you're faced with the decision of paying for an expensive repair or investing in a new compressor, here are some key reasons why replacing your compressor might be the better choice:

• Frequent breakdowns – If your compressor has already broken down once, the likelihood of future failures increases, making repair less viable.

• Energy efficiency – New compressors are more energy-efficient, so the cost of upgrading could be offset by significant electricity savings over time.

• Availability of parts – For older models, finding replacement parts can become increasingly difficult, time-consuming, and costly.

• Growing business needs – If your current compressor is too small for your expanding operations, replacing it with a larger, more capable unit can help future-proof your business and meet increasing demand.

Repairing your compressor can be a practical option in the following situations:

• If it’s relatively new and hasn’t accumulated many operating hours.

• If it hasn’t been largely replaced by newer technology that offers significant improvements.

• If spare parts are still readily available for the model, making repairs more feasible.

• If the compressor is generally reliable and the repair seems to be an isolated issue, not a sign of ongoing or future problems.

With 75 years of experience providing compressed air solutions to the Canadian market, Atlas Copco Canada can help you select the ideal air compressor for your operation, ensuring the best possible cost of ownership. If you are looking for an air compressor near you, or need air compressor repair, we can help. Our onsite air compressor maintenance service is available nationwide, offering expert repairs with genuine parts to minimize the risk of future breakdowns. Whatever your needs, Atlas Copco Compressors Canada has the right solution.