MERV rating energy consumption

How MERV Ratings Impact Your Furnace Performance and Your Home’s Air Quality

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An illustrative diagram demonstrating how a high-efficiency MERV air filter impacts a home's furnace. Dark, dusty gray air is shown flowing toward the pleated filter, but it emerges as clean, blue, sparkling air after passing through. This filtered air flows directly into the glowing orange heating element of a furnace, visibly improving indoor air quality while ensuring efficient furnace performance.

Swap in a fresh MERV 13 filter, and within a week the furnace runs longer while the registers feel weaker. This is one of the most common support calls we see during heating season. The filter with the highest rating on the shelf is not always the filter your furnace can handle. In our side-by-side … Read more