When It Is Time to Change the Air Filter in a Rotary Screw or Medical/Dental Air Compressor

Whether you’re using a rotary screw air compressor or a medical/dental one, you know just how essential these tools are in industries like healthcare and dental care. Keeping them running smoothly and reliably is key, and that means regular maintenance is a must. One important part of that upkeep? Checking and changing the air filter as needed.

You might be wondering, why is the air filter so important. The air filter keeps dirt, dust, and other particles from getting into the compressor. If it’s clogged or damaged, the compressor has to work harder, which can hurt its performance and efficiency. Not only that, but you could also face higher energy costs and even risk a breakdown. Not ideal, right?

So, How do you know that the time has arrived to replace the air filter in the compressor?

Check the recommended service interval

When it comes to top-rated air compressors, most come with manufacturer recommendations for when to replace the air filter. For rotary screws and medical/dental compressors, it’s generally advised to replace the filter every 2,000 hours of operation—though this can vary by brand and operating environment. It’s a good rule of thumb, but always check the user manual for your specific model to be sure.

Some compressors may need a change sooner, while other models have air filters that may go longer. If you're unsure about replacing the air filter yourself, it’s best to consult a qualified technician for that.

Signs of physical damage

Regularly checking the air filter is key—and for good reason. Inspections let you catch visible wear, like cracks, holes, or heavy dirt buildup. If you spot any of these, it’s a good idea to consider replacing the filter, as a damaged or clogged one can lead to bigger issues down the line. For a more informed decision, you can always call in a technician or an expert from your supplier. Don’t ignore these “small” issues—they need attention now to avoid costly problems later.

Poor compressor performance

If you notice your air compressor isn’t performing as efficiently as usual, it could be a sign that the filter needs replacing. Keep an eye out for other signs too: if the compressor is running hotter than normal, struggling to maintain air pressure, or making odd noises, it’s worth calling a technician to check the air filter. If it’s been a while since the last filter change and you’re seeing these issues, it’s probably time for a replacement.

Unexpected or frequent shutdowns

Final words

MasterAire is a reliable supplier of high-performing air compressors for business facilities. And, the best part is we have a team of experts to assist you with free technical guidance. So, whether it is about the decision to change the air filter or any other issue related to the air compressor, we can always help!

Explore our website and take a look at our extensive list of high-end rotary screw and medical/dental air compressors that are available in different horsepower (HP) capacities. We also sell air dryers and generators.

Get a 10-year warranty with free parts on our compressor. Order now!