Lennox Furnace Filters Product List:
Retail: $81.99
Our Price: $62.95
Save 23%!
Retail: $99.99
Our Price: $74.95
Save 25%!
Retail: $79.99
Our Price: $65.95
Save 18%!
Retail: $91.99
As Low As: $67.95
Save 26%!
Retail: $149.99
As Low As: $104.95
Save 30%!
Retail: $109.99
As Low As: $84.95
Save 23%!
Retail: $79.99
Our Price: $68.95
Save 14%!
Retail: $83.99
As Low As: $61.95
Save 26%!
Retail: $174.99
As Low As: $129.95
Save 26%!
Retail: $189.99
As Low As: $150.95
Save 21%!
within the continental U.S.
Retail: $210.99
As Low As: $164.95
Save 22%!
Retail: $115.99
Our Price: $97.95
Save 16%!
Retail: $79.99
As Low As: $59.95
Save 25%!
Retail: $169.99
As Low As: $129.95
Save 24%!
Retail: $174.99
As Low As: $114.99
Save 34%!
within the continental U.S.
Retail: $179.99
As Low As: $144.99
Save 19%!
Retail: $149.99
As Low As: $120.95
Save 19%!
Retail: $109.99
Our Price: $84.95
Save 23%!
Retail: $80.99
As Low As: $56.95
Save 30%!
within the continental U.S.
Retail: $249.99
As Low As: $189.95
Save 24%!
Retail: $89.99
As Low As: $64.95
Save 28%!
Retail: $149.99
As Low As: $115.62
Save 23%!
Retail: $72.99
As Low As: $57.95
Save 21%!
within the continental U.S.
Retail: $289.99
As Low As: $222.95
Save 23%!
Retail: $89.99
As Low As: $65.95
Save 27%!
Lennox Furnace Filters
Cleaner Air Starts Here
Better air quality means a better home environment. If you’re looking to improve the air quality in your home, your furnace filter is the first place to start. Lennox furnace filters are engineered for high performance. This means they’re made to capture airborne contaminants that can trigger allergies, affect HVAC efficiency, and compromise comfort. Whether you’re upgrading your current filter or replacing a worn-out one, Lennox filters help create a cleaner, healthier indoor environment - one breath at a time.
Hidden Contaminants Lurking in Your Indoor Air
Even if your home looks spotless, there’s more circulating in your air than meets the eye. Dust, pollen, mold spores, smoke, pet dander, and microscopic particles can all enter your home through vents, open doors, and daily activity. Over time, these airborne pollutants can build up and contribute to health concerns such as respiratory irritation, allergy flare-ups, and asthma symptoms. A high-quality furnace filter plays a crucial role in capturing these hidden particles before they reach your lungs or clog your HVAC system.
How Lennox Filters Trap Particles Others Miss
Lennox heater filters stand out thanks to their advanced filtration technology. Designed to meet or exceed industry standards, many Lennox filters offer high MERV (Minimum Efficiency Reporting Value) ratings, meaning they can trap even the smallest airborne particles. With options like electrostatic fibers and pleated surfaces, Lennox filters efficiently remove pollutants from your air without restricting airflow. This balance of filtration and efficiency helps your system work smarter - not harder - while delivering cleaner air throughout your home.
How Often Should You Replace Your Filter?
Replacing your furnace filter on a regular schedule is one of the simplest ways to protect both your indoor air and your HVAC system. For most homes, changing the filter every 3 months is recommended - though factors like pets, allergies, or heavy HVAC use may call for more frequent replacements. A dirty or clogged filter doesn’t just reduce air quality, but it can also strain your heating system, increase energy bills, and shorten the life of your equipment. Checking your filter monthly and replacing as needed is a smart, low-cost habit with long-term benefits.
Tips for Extending HVAC System Life
Your furnace filter does more than just clean the air - it also protects your HVAC system from dust buildup and mechanical wear. To get the most from your system:
- Keep vents and registers clear of obstructions.
- Schedule seasonal HVAC checkups.
- Use the correct filter size and rating for your unit.
- Replace filters before they become visibly dirty or clogged.
Together, these steps help reduce maintenance costs and ensure your home stays warm, clean, and comfortable all season long.
Smarter Filters for a Healthier Home
Breathe easier knowing you’ve made the smart choice for your home. Lennox furnace filters deliver the performance, efficiency, and protection you expect from one of the most trusted names in home comfort. By choosing genuine Lennox filters, you help keep your HVAC system running smoothly while capturing dust, allergens, and other airborne particles that affect your indoor air quality.
Ready to experience the difference cleaner air can make? Shop Lennox furnace filters today at Filters Fast for fast, reliable shipping and an easy shopping experience. Protect your home and your family with quality filtration that keeps your air fresh all year long.





































