HEPA (High-Efficiency Particulate Air) filters are vital for maintaining clean indoor air quality ideally by capturing and arresting dust particles. But like most things, HEPA filters may go faulty and call for some replacements. Even those considered “permanent” will occasionally require cleaning to optimize airflow. The global market for HEPA filters was 2532 million in 2019 and is expected to grow at 7.4% CAGR between 2020 and 2029.
Knowing when and how to replace your HEPA filter is crucial to ensure your home’s air remains clean and allergen-free. However, the process may be challenging because the replacement of HEPA filters isn’t dependent on time. That’s why we provided this step-by-step guide on when to replace a HEPA filter (possible signs) and how to go about the replacement process.
When to Replace Your HEPA Filter
What signs should advise when it’s a good time to replace your HEPA filter? Often, people tend to replace after noticing a color change, which isn’t a good indicator that the need for replacement has arisen. HEPA filters can appear darker after working even for a short time, but their functionality is still top-notch. Ideally, as long as the filter provides continuous airflow, it works fine.
That said, here are some of the signs when you should replace your air filter.
3 Signs It’s Time to Replace Your Air Filter
Reduced airflow: A HEPA filter should optimize airflow, so reduced airflow could be a sign of a clogged filter. Blockage makes the cleaner work hard, so you need to check and replace the HEPA filter.
To effectively monitor the airflow, you can use a toll-like anemometer every other time you require to check the airflow.
Filter replacement indicator: Many air purifiers come with filter replacement indicators. When this light turns on, it’s time to replace the filter.
Presence of dust particles in the vent: Accumulation of dust particles in the HEPA filter vent interferes with its functionality. Draping a white sheet over the cleaner for at least one hour to check if there’s dust.
Besides these signs, uphold regular inspections, follow the Honeywell HEPA filter replacement or manufacturer’s recommendations on replacement, and at least replace them once yearly, regardless of how clean they appear.
Failure to replace your HEPA filter on time reduces air flow, resulting in increased purifiers and, thus, more energy costs.
How to Replace Your HEPA Filter
Before getting started, here are some questions to ask yourself:
- Is the power from the biosafety cabinet switched off?
- Do you have a safe method for disposing of the waste filters?
- Do you have a professional engineer to replace the filter? It’s best to have one following the prominent risks in the process.
- Is the unit fumigated or decontaminated?
You notice that these questions concern your safety during and after the replacement process. So, if you have answered them satisfactory, go ahead with these steps of HEPA filter replacement:
1.Read the Manufacturer’s Template
Familiarize yourself with the Honeywell HEPA filter replacement or manufacturer’s template. Understand their standard operating procedure for HEPA filter replacement. With the right template and procedures from the dealer, you’ll know the risks and everything else crucial in the process.
2.Gather Supplies
Before replacing the filter, gather the necessary supplies, including a replacement HEPA filter compatible with your system, gloves, a screwdriver (if needed), a vacuum cleaner, and a brush attachment.
Have a checklist for the necessary tools required.
3.Safety First
There should be no compromise in safety, especially when dealing with HEPA filters. Follow the safety precautions in the user’s manual to wear protective equipment.
Turn off the central air handler or furnace to prevent dust from accumulating in the system, which can lead to more mess and safety risks.
4. Locate the Cartridge
The HEPA filter sits in the cartridge and identifying it shouldn’t be challenging. You may use a screwdriver to release the locking mechanism if there’s any. A HEPA filter may also be located in the air handler unit, the return air duct, or the HVAC unit. You can consult your system’s manual when unsure of the exact location.
5.Pay Keen Attention to the Order of Filters
It’s common to have an air purifier with multiple HEPA filters. If you have such, you must replace them differently and in the order in which they are installed. This is also helpful when putting in others, as you’ll be sure which filter sits where for optimum airflow.
6.Remove the Old HEPA Filter
Now, carefully remove the old HEPA filter to avoid spreading dust and debris. After that, immediately dispose of it responsibly to avoid recycling the old particles in your breathing air.
7.Clean the Filter Area
Clean the area around the filter housing using a vacuum cleaner with a brush attachment. This will prevent loose particles from entering your HVAC system and circulating in your home.
8.Insert the New HEPA Filter into the Unit
If you have already bought a compatible HEPA filter, it’s time to install it. Just ensure you position it correctly and lock it appropriately.
9.Turn it On and Enjoy a Fresh Air Flow Once Again
Switch the cleaner on after installing the new HEPA filter correctly; it should typically function properly.
Conclusion
Clean air quality means a comfortable living environment. So, to keep your home dust-free from allergens and contaminants, replace your HEPA filter punctually. With this guide on when and how to replace it, the process should be easier and help solve poor airflow in your home.
