Aerterra

02/23/2026

🏠 1-inch or 4-inch air filter: which is right for your home? The answer depends on your HVAC system, budget, and air quality needs. We broke down everything you need to know in our latest guide. From MERV ratings to replacement schedules, we've got you covered.

🔗 Read the full guide here: https://aer-terra.com/blogs/air-filter-blog/1-inch-vs-4-inch-air-filters-guide

02/20/2026

02/13/2026

01/29/2026

Excited to share our story with IL Corn! 🌽 Aerterra's renewable HVAC air filters, made from corn-based PLA, prove that innovation can deliver exceptional performance while creating economic opportunities in rural communities. From fermentation to nanofiber technology, we're building a more sustainable future one filter at a time.

Read more ➡️

Corn-based innovation is cleaning the air. Learn how Aerterra uses renewable biopolymers from corn to create air filters and support rural communities.

01/27/2026

Our co-founder Mike Malloy was featured on WGN Radio and sat down with Steve Alexander to talk about how we're turning Midwest corn into high-performance HVAC filters. Same filtration power, way better for the planet. Click the link to listen in! 🌽💨

Once again, corn is proving it can replace petroleum-based plastics in a commonly-used product: filters for HVAC systems in home and commercial systems. Aerterra (a combination of the Latin words f…

01/27/2026

01/22/2026

Not sure where your furnace filter actually is or which way the arrow should point?

This step-by-step guide breaks it down for you. You’ll also learn what to do if the filter gets dirty fast, how to tell if you have multiple filters, and how often to check and replace them to protect your equipment and air quality.

Get clarity on your filter location and arrow direction here: https://aer-terra.com/blogs/air-filter-blog/where-is-furnace-filter-arrow-direction?fbclid=IwY2xjawPfS9BleHRuA2FlbQIxMQBzcnRjBmFwcF9pZBAyMjIwMzkxNzg4MjAwODkyAAEeaDFSRf33C4chBxhkoD5ztxlR0sYsTesNObJh6o_gYSlAcBK1mOI-RQy1_gU_aem_h5sEahIWGIJRK3GK-EGhJg

Can't find your furnace filter? Learn where to locate it in any HVAC system and which way the arrow should point for correct installation. Step-by-step guide.

01/21/2026

A clogged filter = higher energy bills + dusty air + overworked system. Here's what you need to know:

✅ Replace every 30–90 days
✅ More often with pets or allergies
✅ If it looks gray or dusty, it's past due

Want a more sustainable option? Check out Aerterra filters.

01/20/2026

January is , and your home’s air deserves a closer look.
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Radon is an invisible, odorless gas that can seep into basements and living spacesand it cannot be removed by even high-MERV HVAC filters.
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In our latest guide, you’ll learn:

➡️ What radon is and why it’s a leading cause of lung cancer in non-smokers
➡️ What HVAC filters can and can’t do about radon gas vs. radon decay products
➡️ When to test (and retest) your home, and what “4 pCi/L” really means

How sustainable filters like Aerterra’s help with other indoor pollutants while you address radon the right way
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This January, make a simple action plan: test, mitigate if needed, and keep your home’s filtration and air quality on track.
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Read the full guide and take the first step toward a safer home:

January is Radon Action Month. Learn what HVAC filters can and can't do about radon, why testing matters, and how to protect your home's air quality.

01/19/2026

Not sure where your HVAC filter is or how to swap it out without calling a pro? This beginner-friendly guide breaks down how to:

➡️ Turn off your system safely before you start
➡️ Find your filter in a furnace, air handler, or return vent
➡️ Check your current filter size and airflow arrow
➡️ Slide in the new filter so it actually works (and doesn’t strain your system)

If your vents are dusty, allergies are flaring, or your energy bills keep creeping up, it might be time for a fresh filter.

Learn the exact steps to change it yourself and keep your home’s air cleaner and your HVAC running efficiently.

Read the full how-to:

Learn how to change your HVAC or furnace filter in 5 simple steps. This beginner-friendly guide covers filter location, sizing, installation direction, and replacement frequency.

01/15/2026

Sealed-up windows + a constantly running furnace = indoor air that can be 2-5x more polluted than outside. 😬

Your furnace filter is working overtime this winter to protect your family from dust, allergens, and pet dander. But when's the last time you checked it?

Our latest blog breaks down everything you need to know about winter air quality, from how often to change your filter to choosing the right MERV rating for your home.

👉 Read the full guide: https://aer-terra.com/blogs/air-filter-blog/winter-indoor-air-quality-furnace-filter-guide

Discover how your furnace filter protects your family's health in winter. Learn filter replacement schedules, MERV ratings, and tips for cleaner indoor air.