Air Filter Efficiency Calculator — Compare Filter Performance and Costs

Air Filter Efficiency Calculator

Compare air filter efficiency between different filter types and brands. Calculate filtration performance, cost-effectiveness, and find the best option for your needs.

Step 1: Filter Details

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Understanding Filter Efficiency

Filter efficiency is measured by MERV rating (Minimum Efficiency Reporting Value). Higher MERV ratings indicate better filtration of smaller particles but may reduce airflow if not properly sized for your system.

Step 2: Environment Details

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About MERV Ratings

MERV ratings range from 1 to 16, with higher numbers indicating better filtration. MERV 1-4 are basic filters, 5-8 are better for residential use, 9-12 are superior residential/commercial, and 13-16 are high-efficiency filters.

Air Filter Efficiency Results

Summary
Filter Comparison
Efficiency Breakdown

Estimated Filter Efficiency

94.5%
Particles Captured: 0.3-1.0 microns
Air Changes Per Hour
3.2 ACH
Monthly Filter Cost
$12.50
Recommended Change
90 days
Performance Rating
Good

Air Filter Comparison

Filter Type MERV Rating Efficiency Monthly Cost Change Interval

Filter Efficiency by Particle Size

Air Filter Efficiency Formula

Efficiency = (Particles Captured / Total Particles) × 100%

Filter efficiency is calculated by comparing the number of particles captured by the filter to the total number of particles in the air. Higher MERV ratings and proper filter sizing increase efficiency.

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