Best Air Conditioner Replacement Filters Under $100 (2026)
We ranked filters under $100 by a value score combining MERV rating, pack size, common HVAC dimensions, and average customer ratings
Top Picks
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1
BNX TruFilter 20x20x1 MERV 13 4-Pack air filter
20x20x1 MERV 13 air filter replacement for AC/furnace/HVAC. Electrostatic pleated media with low air resistance. Customer note: effective dust and pollen capture and easy installation
- MERV 13 efficiency
- made in USA
- electrostatically charged media
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2
BNX TruFilter 18x20x1 MERV 10 Air Filter (4-Pack)
MERV 10 pleated air filter replacement for HVAC, furnace, or air conditioner. Provides low air resistance and electrostatically charged media for clean air. Customers note easy installation and effective dust filtration
- MERV 10 filtration
- made in USA
- pleated media with low resistance
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3
BNX TruFilter 14x25x1 MERV 8 Air Filter (6 Pack)
Electrostatically charged pleated air filter for HVAC systems. Helps capture dust, mold, pollen, and pet dander. Customers note easy installation and good fit
- 14x25x1 size with actual dimensions
- MERV 8 filtration
- made in USA
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4
BNX TruFilter 16x25x1 MERV 13 Air Filter (4-Pack) MADE IN USA
16x25x1 MERV 13 air filter replacement for HVAC systems with electrostatically charged media and low air resistance. Customers note easy installation, effective dust and pollen capture, and good value for money
- MERV 13 filtration
- 4-pack convenience
- USA-made
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5
BNX TruFilter 16x25x1 MERV 8 Air Filter (4 Pack) Made in USA
MERV 8 pleated air filter replacement for HVAC, with electrostatically charged media. Fits 16x25x1 openings; comparable with MPR 600 & FPR 5. Industry-leading low air flow resistance. Customer insight notes easy installation and effective dust capture
- MERV 8 filtration
- 16x25x1 standard size
- Made in USA
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6
BNX TruFilter 16x20x1 MERV 13 Air Filter (4-Pack)
Electrostatically charged pleated air filter for HVAC systems. Provides filtration for dust, pollen, mold, and bacteria with low air resistance. Customers report easy installation and good fit
- MERV 13 filtration
- made in USA
- electrostatic media
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7
BNX TruFilter 16x25x2 MERV 8 Air Filter, 4-Pack
16x25x2 MERV 8 air filter replacement for HVAC systems. Electrostatically charged media with low air resistance. Made in USA. Customer insight notes easy installation and effective dust filtration
- made in usa
- mERV 8 filtration
- electrostatic media
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8
Amazon Basics 20x20x1 Air Filter 6 Pack
Air filter with MERV 11 rating to improve air quality and furnace efficiency. Customers note easy installation and effective dust filtration, with mixed opinions on sturdiness
- MERV 11 captures dust and pollen
- Designed for furnace efficiency
- Easy installation and maintenance
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9
BNX TruFilter 10x30x1 MERV 8 Air Filter (4-Pack)
MERV 8 pleated air filter replacement for HVAC systems. Improves dust capture and air cleanliness with easy installation. Customers note good fit and quality, though some size concerns
- made in USA
- MERV 8 pleated filter
- fits 10x30x1 with actual size 9.5x29.5x0.75
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10
BNX TruFilter 20x24x1 MERV 10 furnace air filter (4-pack)
Pleated 20x24x1 MERV 10 air filter for furnaces and HVAC. Provides low air resistance and electrostatically charged media. Customers note easy installation and effective dust control
- MERV 10 filtration
- made in USA
- 4-pack value