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Is Your New Home’s Air Filter Up to the Challenge?
Moving into a new home? Don’t overlook your HVAC air filter. Discover why it’s essential for indoor air quality and how to choose the right one for a fresher living space.
Picture this: You’ve just turned the key in the door to your new home. Everything feels new and exciting, but there’s one thing that might not be as fresh as it seems: the air. Your home's current HVAC air filter might not meet your preferences for particle capture, potentially affecting the indoor air quality you're accustomed to. But don’t worry! With a bit of know-how, you can ensure your air filter is up to the challenge.
Read on for what you need to know about air filters, from why they matter to how to choose and maintain the right one for your new living space.
Why are HVAC air filters important?
Your home’s HVAC air filter is a hard-working tool. It’s a key defense against airborne pollutants like dust, dander, pollen, and many other microscopic particles you can’t see, and certainly don’t want to breathe. Without a high performing air filter, these particles could run rampant, reducing air quality.
But the benefits go beyond cleaner air. HVAC air filters can also protect your HVAC system. A clean filter contributes to better airflow, which keeps your system running efficiently and avoids unnecessary wear and tear.¹ Neglecting an air filter change could lead to system malfunctions and costly repairs.²
How to assess your home’s current HVAC air filter
Not all filters are created equal. If you’ve recently moved, the HVAC air filter already in place may not be ideal for your situation. Here’s how to assess its effectiveness:
1. Check filter type and MPR
Each Filtrete™ Air Filter comes with a Microparticle Performance Rating (MPR), which is like a scorecard for how well the air filter captures tiny particles from the air. Filtrete created MPR to go above and beyond the industry standard of MERV rating. The higher the MPR number, the better the filter is at trapping microscopic particles like dust, pollen, smoke, and bacteria. For example, filters with an MPR of 1500 or higher capture more allergens and finer particles than those with a lower rating. Think of MPR as a way to match the filter’s performance to your home’s air quality needs, capturing more without compromising airflow.2. Inspect the condition of the filter
Is the filter discolored or clogged with dust? If so, it’s not doing its job. A clogged filter can restrict airflow and circulate dirty air throughout your home.³,⁴ Time for an air filter change! Did you know the Filtrete™ Smart App takes the guesswork out of air filter maintenance? It sends reminders when it’s time for a replacement and even monitors outdoor air quality, all from your smartphone. The app works with all Filtrete™ Air Filters by scanning the barcode on the package once you are prompted in the app.3. Consider needs unique to your home
Got a pet? You’ll need a filter that handles pet dander. Living in an area affected by wildfires? Opt for a filter designed to trap airborne contaminants like smoke or smog. Cold and flu season? Consider upgrading to a filter that can capture bacteria and viruses. (We sure can!)Choosing the right air filter for your home
Now that you know what’s at stake, it’s time to select the right filter with the Filter Finder. The right air filter can make all the difference, ensuring optimal performance, efficiency and protection. Here’s a quick and simple guide that breaks down the key factors to consider, whether you prioritize durability, compatibility or effectiveness:
● Size: Ensure any replacement filter is the exact size (LxWxD) your HVAC system requires. Refer to the old filter or your system manual for dimensions. Don’t use a filter that’s too small, even if you accidentally ordered the wrong size in the hustle of moving (it happens sometimes). A filter that’s too small leaves gaps around the edges, allowing unfiltered air (and all the dust, allergens and debris) to bypass it entirely. This not only reduces your indoor air quality but also forces your HVAC system to work harder, potentially leading to inefficiency and expensive fixes. Always use the exact size and thickness recommended for your system to keep everything running smoothly.
● Select your MERV filtration rating: Using Filtretes™ MPR and the industry standard MERV filtration ratings can help you select the right type of filter for your household’s air quality needs. For instance, a filter with a MPR 300 / MERV 5 rating works well to capture basic household dust and lint. If your home has issues with dust mite debris, mold spores, pollen and pet dander, consider a MPR 700 / MERV 8 or MPR 800 / MERV 10 filter. For more advanced filtration, an MPR 1000 / MERV 11 filter handles smoke and smog particles, while an MPR 1500 / MERV 12 filter captures particles related to coughing, sneezing, bacteria and viruses. To tackle finer pollutants like candle soot, an MPR 1900 / MERV 13 filter is an excellent choice, and for exhaust and ultrafine particles, opt for an MPR 2500 / MERV 14 filter.
Maintenance tips to maximize air filter performance
An air filter is only as good as its upkeep. Use these practical tips to ensure yours is working at full capacity:
1. Make air filter replacement a priority
How often should you change your air filter? A general rule is every three months for 1″ filters and every 12 months for 2″ to 6″ filters, but your needs might differ. Homes with pets, smokers, or high pollen outside may need more frequent filter changes. Additionally, increased use of heating or air conditioning during certain seasons can further shorten the replacement cycle. Sign up for email reminders in the Filtrete™ Smart App to stay on track.2. Understand how to replace an air filter
Replacing your HVAC filter is straightforward Start by turning off your system, locating the filter compartment and swapping out the old filter for a new one with the correct orientation (hint: look for the airflow arrows).3. Upgrade when needed
If you’re consistently experiencing indoor air quality issues, it might be time to invest in a high-efficiency filter or even a whole-house air purifier. Filtrete™ Filters are designed to maintain proper airflow while effectively capturing particles, without overworking your HVAC (unlike other air filters).Fresh vibes await
Changing your air filter is a small task with big benefits. You’re improving your indoor air quality and helping your HVAC system run smoothly. Regular filter replacements with a Filtrete™ Filter keep your home comfortable and efficient, all while giving you peace of mind. Proud moment unlocked! Now enjoy the difference a little maintenance makes.
Stick to regular filter changes with a Filtrete™ Filter, and you’ll keep that fresh feeling going strong. Now, give yourself a well-earned high-five.
Sources
1. Guide to Air Cleaners in the Home. U.S. Environmental Protection Agency (EPA). 2025.
2. How to Keep Your HVAC System Working Efficiently. ENERGY STAR. 2024.
3. Air Conditioner Maintenance. U.S. Department of Energy. 2025.
