Breathe in
the Difference
We help homes and HVAC professionals achieve cleaner, healthier air through our expertly-built indoor air quality solutions.
A Legacy of Quality
and Innovation
Since 1937, we have led the way in residential air quality and heating oil filtration. Designed and manufactured in Michigan, our products reflect three generations of family ownership and craftsmanship—setting the standard for reliable, American-made solutions that help every home breathe better.
General Filters Brand
Whole House Indoor Air Quality
Home Heating Oil & Industrial Filtration
Engineered
for Comfort
and Performance
Our indoor air quality solutions bring a fresher feel to every room. Crafted with precision, General Filters products help protect your family’s health, enhance comfort, and preserve the integrity of your home.
Our Whole-Home Approach to Healthier Living
Clean, humidity-controlled air can help reduce allergens, bacteria, and airborne irritants. Our products work together to build a healthier environment where families can breathe easier and live better every day.
Humidity-controlled and purified air reduce dryness, keeping every room feeling fresh and comfortable year-round.
Ideal indoor conditions preserve the integrity of your home’s materials, protecting wood, leather, fabrics, and electronics from damage caused by poor humidity control.
Find the Right Part
Search by model number or brand to quickly find compatible filters
and replacement parts for any General Filters product line.
AIR QUALITY BY STATE
Track how air quality varies across the U.S. and what that means for the air we breathe every day.
Source: World Population Review
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Source: World Population Review
Trusted By Those Who Know US
See how homeowners, contractors, and distributors experience the difference of our products.
“I just wanted to reach out regarding the quality of oil filters that are being produced by General. Just replaced the oil filter that’s been running my diesel furnace for at least my life span of 23 years if not longer than that!”
“I think about how long General Filters has been around. They’re coming up on almost 100 years and that’s not done by accident. You know you’re dealing with a company that has a long-standing tradition of producing high quality products.”
Grow with
Our Contractor Partner Program
Join our CPP: an exclusive network that rewards loyalty, builds expertise, and supports your business with the tools and
resources to succeed.
Rewards & Recognition
Earn rewards, incentives, and co-branding opportunities through tiered benefits geared toward maximizing your performance and partnership.
Education & Training
Receive product training, certifications, and resources to sharpen your skills and strengthen homeowner trust.
Marketing & Support
Access and utilize essential convenient marketing assets, literature, and co-branded materials to help promote your business and drive growth.
Community & Connection
Be part of a nationwide network of professionals who share insights, attend exclusive events, and grow together.
Your Source for Smarter Indoor Air QUALITY
