Step-by-Step Guide: How to Replace a HEPA Air Purifier Filter

Step-by-Step Guide: How to Replace a HEPA Air Purifier Filter

Replacing a HEPA filter is a simple process, but doing it correctly ensures proper airflow and continued filtration efficiency. Follow this step-by-step guide to change your air purifier filter safely and effectively.

Step-by-Step Instructions

  1. Turn Off and Unplug the Unit
    Always disconnect the purifier from power before opening it.

  2. Open the Filter Compartment
    Locate and remove the front or back panel depending on your model.

  3. Remove the Old Filter
    Dispose of it properly. Avoid shaking it to prevent dust from spreading.

  4. Insert the New HEPA Filter
    Ensure the filter is positioned correctly. Arrows or labels will indicate airflow direction.

  5. Reattach the Panel and Restart
    Close the compartment securely and plug the purifier back in.

  6. Reset Filter Indicator (If Available)
    Some models require holding a reset button for several seconds.

Tip for Better Performance

Write the replacement date on the filter or set a reminder to track filter lifespan more easily.

Conclusion

With just a few simple steps, you can replace your HEPA filter and ensure continuous clean air circulation throughout your home.

FAQ — For Homes With Pets

Q1: Is the Airfire air purifier suitable for homes with cats and dogs?


Yes. Airfire is specifically designed for homes with pets. It captures pet dander, fur, and microscopic allergens as small as 0.3 microns through a HEPA filtration system. It also helps reduce pet odors to keep the indoor air fresh.

Q2: Can it help with pet allergies?


Yes. If someone in the home is allergic to pet hair or dander, this purifier can significantly reduce airborne allergens. Many users notice improvements in sneezing, itchy eyes, and nasal congestion within 1–2 weeks of regular use.

Q3: Will my cat or dog be scared of the purifier?


No. Airfire runs with low noise levels, especially in Sleep Mode. It operates quietly enough for pets to rest comfortably without being disturbed.

Q4: Can it remove pet odors (like litter box or dog smell)?


Yes. The activated carbon layer in the filter absorbs odor molecules effectively. For strong odors, running the purifier for 6–12 hours a day is recommended.

Q5: How often should I replace the filter in a pet home?


For homes with one or more pets, we recommend replacing the filter every 3–5 months depending on usage. The purifier will alert you when the filter needs replacement.