Prepping Your Home’s Air Quality for Fall- A Cultivated Nest

Frugal Ways to Improve Your Home’s Air Quality.

As autumn rolls in and the crisp air starts to settle, our instinct is to shut the windows and settle into cozy indoor vibes. But before we seal our homes up tight against the upcoming chill, there’s one critical maintenance task that often gets overlooked: our indoor air quality! Over the warm summer months, dust, pollen, pet dander, and outdoor allergens quietly accumulate inside our living spaces, vents, and air filtration units. To make sure you don’t seal all of that inside with you, here are my tips on doing an Indoor Air Refresh: Prepping Your Home’s Air Quality for Fall!

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Giving your home’s air system a thorough refresh in mid-September makes a world of difference in how clean and fresh your living space feels. Taking the time to care for your filters and vents now means you won’t be circulating stale summer dust every time your heat turns on for the first time. Plus, keeping your air units running efficiently helps cut down on winter energy bills while keeping seasonal sniffles at bay for your whole family.

Indoor Air Refresh: Prepping Your Home’s Air Quality for Fall

People often remember to review their home’s air quality in the spring, but many forget to do it again in the fall. It can be very quick and easy, though! Here are some tips!

Replace the Main HVAC Filter: Swap out your central air filter for a fresh, high-efficiency unit rated for your household’s specific needs.
Deep Clean Dust-Magnet Vents: Vacuum away built-up lint and grime from floor, wall, and ceiling vent covers using a brush attachment.
Wipe Down Houseplant Foliage: Gently clean dust off room plant leaves so they can breathe and naturally filter indoor air efficiently.
Service Room Air Purifiers: Inspect, vacuum, or replace inner HEPA and carbon filters on stand-alone air purifiers in bedrooms and main areas.

Start your fall air reset with your main HVAC system. Your system worked hard all summer long blowing cold air, and the filter is likely holding onto months of trapped dust and particles. Slide out the old furnace filter and inspect it under good lighting. Even if it doesn’t look completely black, replacing it at the start of fall gives your heating system a fresh, unrestricted start. When shopping for replacements, look for filters with a balanced MERV rating that traps micro-particles without restricting overall airflow to your furnace or heat pump.

While you have your tools out, take a quick walk through every room to inspect your intake and supply vents. Over time, static electricity attracts a thick layer of fuzzy dust onto vent slats, which then gets blown right back into your living areas. Use your vacuum’s soft brush attachment to clear away surface debris, then wipe the vent covers down with a damp microfiber cloth dipped in warm, soapy water. If ceiling vents look particularly grimy, unscrew them to give them a quick bath in the sink before reinstalling!

Don’t forget about your standalone room air purifiers either! Devices placed in high-traffic spaces like bedrooms or living rooms do heavy lifting when windows stay closed. If you run Levoit air purifiers, they make life easy with a handy built-in red filter indicator light that alerts you when it’s time for a fresh HEPA insert. However, keep in mind that many other brands or smaller tabletop models don’t have automatic reminder lights! For those units, pop the back cover open manually to inspect the pre-filter. If the outer screen is coated in grey dust, vacuum it clean, and check if the inner HEPA layer has reached its end-of-life timeframe (usually every 6 to 12 months, depending on use).

Finally, tap into nature’s best indoor air purifiers: your leafy houseplants! During summer, houseplant foliage acts like a magnet for airborne dust, settling into a fine layer over the leaves. When leaves are coated in dust, plants can’t perform photosynthesis as effectively, nor can they help refresh indoor air. Take a soft, damp cloth (or give small plants a gentle shower in the sink) and carefully wipe down both sides of the leaves. Your plants will instantly look brighter, stay healthier, and keep your indoor environment feeling clean, crisp, and ready for fall!

What do you do to improve your home’s air quality?