HVAC Filters

Replacing the Original Aprilaire/Space-Gard 2200/2400 Filter

Comparing Furnace and Air Conditioning Filters

Filter Selection Guide for Aprilaire/Space-Gard 2200 and 2400 Air Cleaner

Understanding MERV Ratings on Air Filters

Pleated vs. Fiberglass Air Filter Demonstration

Whole-House/Deep Pleat Air Filters

Nominal vs. Actual Air Filters Sizes

Discount Filters Air Filter Shopping Challenge + Giveaway!

Trane Perfect Fit Air Filters

Best Furnace Filters: Factors to Consider Before You Buy

AIRx Air Filters

Why Use AIRx Filters?

AIRx Filters For Your Family

How to Install your Furnace / AC Filter

NEW MAX Protection MERV 16 Air Filters

Replacing Filters in Trane PerfectFit Air Cleaners