22x24x5 MERV 11 Goodman Filter: Is This the Right Fit?

Most homeowners buying a 22x24x5 filter pick whatever fits the label on their old filter. We've seen what that costs them — fouled coils, strained blowers, and air that carries far more than it should. After manufacturing filters for over a decade and shipping to more than two million households, we know the difference a precisely built filter makes inside a Goodman air handler. And the difference is not small.

Here's something worth knowing before your next order: the 22x24x5 is a nominal size, not a promise. It's shorthand for a slot dimension, not the actual cut measurement that determines whether your filter seals without gaps, holds its shape under humidity, or moves air the way your blower expects. A filter that's even fractionally undersized lets unfiltered air bypass the media and go straight to your coil. A filter that's too dense chokes the airflow your Goodman system was sized to handle. You pay for either mistake — in energy, in maintenance, or in both.

MERV 11 is the right rating for most Goodman residential systems. It catches the particles that affect your family — pollen, pet dander, mold spores, fine dust — without the pressure drop that pushes higher-rated filters into uncomfortable territory for Goodman blowers. At Filterbuy, we manufacture our 22x24x5 MERV 11 filter to actual dimensions of 22 1/8" x 24" x 5 1/4" — precision-cut from American-made pleated media so it fits the way a filter needs to fit.

Read on for what Goodman owners specifically need to know about sizing, ratings, and why this combination protects your air and your system.

TL;DR Quick Answers

What Is a MERV 11 22x24x5 Goodman Air Filter?

A MERV 11 22x24x5 Goodman air filter is a 5-inch deep pleated air filter rated to capture particles down to 1 micron — including pollen, pet dander, mold spores, and dust mites — in a size built for Goodman air handler media cabinets. The 22x24x5 is a nominal dimension; the actual cut size is 22 1/8" x 24" x 5 1/4". MERV 11 is the recommended rating for most Goodman residential systems, delivering stronger filtration than a standard MERV 8 without the airflow restriction that strains Goodman blower motors. Filterbuy manufactures this filter in the USA and ships it direct to your door.

Key facts:

• Actual dimensions: 22 1/8" x 24" x 5 1/4"

• Filtration: Captures 85%+ of particles 3–10 microns; 65%+ at 1–3 microns

• Compatible systems: Goodman ARUF, AMST, and AVPTC series air handlers

• Replaces: Goodman MFAH-L media cabinet filter

• Replacement interval: 6–12 months under normal household conditions

• Made in: USA

Top Takeaways

• The 22x24x5 is a Goodman-specific nominal size. Actual manufactured dimensions are 22 1/8" x 24" x 5 1/4", precision-cut to prevent bypass gaps.

• MERV 11 captures 85%+ of particles between 3 and 10 microns — pollen, dust mites, pet dander, and mold spores — without restricting the airflow Goodman blowers need.

• Pleated media delivers more filtration surface in the same footprint, protecting your Goodman coil and extending replacement intervals to 6–12 months.

• Correct filtration prevents coil fouling, cuts unplanned service calls, and protects your blower motor — the most expensive components in your Goodman system.

• Filterbuy manufactures this filter in the USA with a moisture-resistant frame and reinforced wire backing, built to hold its shape through an entire replacement cycle.

Does the 22x24x5 MERV 11 Filter Actually Fit Goodman HVAC Systems?

The 22x24x5 is a Goodman-specific size. You won't find it on the shelf at most hardware stores because it wasn't designed for a universal slot — it was designed for the deep filter cabinets in Goodman air handlers, including certain ARUF, AMST, and AVPTC series units. If your Goodman uses a 5-inch media cabinet, this is your size.

Two failure modes come up repeatedly when fit gets ignored:

• Bypass gaps. A filter that's even slightly undersized creates channels at the edges where unfiltered air moves around the media rather than through it. Those particles skip filtration and land directly on your coil.

• Frame collapse. A filter that's too large buckles inside the slot. A warped pleated filter loses surface area — and surface area is what does the actual work.

Filterbuy manufactures our 22x24x5 MERV 11 filter to actual dimensions of 22 1/8" x 24" x 5 1/4" — the true cut size that seats cleanly in Goodman filter cabinets without gaps or pressure points. Our beverage board frame is moisture-resistant and backed with reinforcing wire, so it holds its shape through the full replacement cycle. For most households, that's 6 to 12 months on a 5-inch filter.

Pro tip: measure your filter slot yourself before ordering. Use a tape measure, not the old filter's label. Nominal sizes are industry shorthand. What matters is the actual opening your new filter needs to fill.

Why MERV 11 Is the Right Rating for Your Goodman System

ASHRAE — the American Society of Heating, Refrigerating and Air-Conditioning Engineers — developed the MERV rating system to measure how efficiently a filter captures particles across different size ranges. MERV 11 lands in the right zone for most residential Goodman systems. Here's how the three most common ratings compare side by side:

MERV 8 handles the basics well. It captures dust, pollen, lint, and standard household particles in the 3–10 micron range — and it does that without adding meaningful resistance to your system's airflow. For Goodman owners with no particular allergy or pet concerns, it's a solid starting point.

MERV 11 is where most Goodman households should land. It catches everything MERV 8 does, then adds pet dander, mold spores, dust mites, fine dust, and auto emissions down to 1 micron. That's the range that matters most for family health and coil protection. Critically for Goodman systems, it delivers that stronger filtration without the pressure drop that strains blower motors.

MERV 13 goes further, but uses it carefully in a Goodman system. It captures everything MERV 11 does, plus bacteria, tobacco smoke, and some airborne virus carriers down to 0.3 microns. The trade-off is real airflow restriction — older Goodman units in particular weren't engineered for that pressure drop. Before stepping up to MERV 13, check your installation manual for your unit's maximum rated MERV.

MERV 11 catches particles down to 1 micron — the range that covers the allergens most likely affecting your household: pollen, pet dander, mold spores, and dust mites. It does that while staying within the airflow resistance range that Goodman ARUF, AMST, and AVPTC series units are built to handle without extra load on the blower motor.

MERV 13 goes further, but the pressure drop trades off against your Goodman system's efficiency. For most households, it's the wrong direction. If wildfire smoke is a concern in your area, we've covered that specific situation in our guide to the best MERV filter for wildfire smoke.

How Pleated Construction Protects Your Goodman HVAC Investment

Hold a fiberglass filter up to light and you can see straight through it. That's not a feature — it's the whole problem. Fiberglass offers bare minimum filtration and almost nothing in the way of coil protection. Pleated media is a different category of product, and it's the only kind Filterbuy makes.

Here's what pleated construction does that fiberglass can't:

• More capture surface in the same footprint. The accordion-fold design packs far more filter media into the same face dimensions. More surface area means particles get intercepted at lower air velocity — better filtration, less airflow restriction.

• Real protection for your Goodman coil. Your evaporator coil is the most expensive component your filter protects. Particles that bypass a flat fiberglass filter accumulate on coil fins, choke heat transfer, and create conditions for mold. A well-seated MERV 11 pleated filter is the least expensive coil-cleaning bill you'll never get.

• Longer service between replacements. A 5-inch MERV 11 pleated filter typically goes 6 to 12 months before pressure drop becomes a concern, compared to 1 to 3 months for a standard 1-inch filter. Fewer change-outs, consistent performance the whole time.

• A frame built to last the interval. Filterbuy uses a moisture-resistant beverage board with reinforced wire backing. It holds its shape through the humidity cycles that Goodman air handlers run during the cooling season. A buckled frame undoes everything the media is doing.

Fit, media type, and frame integrity all work together. Shortchange any one of them and the other two can't compensate.

"The filter is the cheapest part of your HVAC system, and the coil is one of the most expensive — we've built our entire manufacturing standard around the idea that the cheap part should never be the reason the expensive part fails."

- Filterbuy Team

Essential Resources

Seven resources worth bookmarking — for your Goodman system, your filter decisions, and the air your family lives in every day.

1. Shop 22x24x5 MERV 11 Filters — Filterbuy.com

American-made, precision-cut to actual dimensions of 22 1/8" x 24" x 5 1/4". Designed to replace Goodman MFAH-L media cabinet filters. Ships direct from our factory.

filterbuy.com/brand/goodman-air-filters/

2. Best MERV Filter for Wildfire Smoke — Filterbuy Resource Center

When smoke season hits or outdoor air quality drops sharply, MERV 11 may not be enough. This guide walks through when to step up, and what the airflow trade-offs mean for your Goodman unit.

filterbuy.com/resources/air-filter-basics/best-merv-filter-for-wildfire-smoke/

3. Which MERV Rating Should I Use? — Filterbuy Resource Center

Pets, allergies, older equipment, high-pollen regions — this guide matches your household's real conditions to the right rating, across the full MERV 1–16 scale.

filterbuy.com/resources/air-filter-basics/which-merv-rating-should-I-use/

4. All About MERV Ratings — Filterbuy Resource Center

How ASHRAE's rating system actually works, which particle sizes each rating targets, and why pleated electrostatic media outperforms fiberglass at every level of the scale.

filterbuy.com/resources/air-filter-basics/all-about-merv-ratings/

5. Air Filter — Wikipedia

A neutral overview of air filtration technology: how filters work, filter types, and the engineering history behind the MERV standard. Good context for understanding what your filter is doing every hour your system runs.

en.wikipedia.org/wiki/Air_filter

6. Indoor Air Quality — U.S. Environmental Protection Agency

The EPA's own data on indoor pollutant concentrations, health exposure risks, and the role filtration plays in keeping residential air cleaner than the outdoor air it's displacing.

epa.gov/indoor-air-quality-iaq

7. Use of Energy in Homes — U.S. Energy Information Administration

EIA's breakdown of how American households consume energy. Useful context for understanding why your HVAC system's efficiency — and the filter protecting it — shows up directly in your monthly bill.

eia.gov/energyexplained/use-of-energy/homes.php

Supporting Statistics

Americans spend roughly 90% of their time indoors, where pollutant concentrations often run 2 to 5 times higher than outside. The air inside your home is not automatically safer. In many homes, it's measurably worse.

Source: U.S. EPA — Indoor Air Quality (Report on the Environment)

Space heating and air conditioning together account for 52% of a U.S. household's annual energy use. Your HVAC system is your home's single largest energy draw. A filter that keeps it running clean protects your wallet as much as your air.

Source: U.S. Energy Information Administration — Use of Energy in Homes (2020 RECS)

A MERV 11-rated filter captures 85% or better of particles in the 3.0–10 micron range — pollen, dust mites, mold spores, pet dander — and over 65% of particles in the 1–3 micron range, including fine dust and vehicle emissions. Strong filtration. No airflow penalty.

Source: HVAC.com — MERV Ratings Explained, citing EPA efficiency standards

Final Thoughts and Opinion

We've been manufacturing filters for Goodman systems for over a decade. Our recommendation has stayed the same throughout: MERV 11 is the right choice for the overwhelming majority of residential Goodman owners. Not because it's the highest rating available. Because it's the one that actually solves the problem without trading in a new one.

We've watched a MERV 13 filter work an older Goodman blower harder than it was built for. We've seen what nominally-sized air filters leave behind on coil fins when they allow bypass at the edges. We've gotten the calls that follow both situations. The 22x24x5 MERV 11 combination avoids all of that — right fit, right media density, right filtration depth for the system it serves.

Our honest take: filter selection is one of the highest-return maintenance decisions a homeowner makes. The wrong filter costs you in energy, in service, and in air quality. The right one — sized correctly, rated for what your household generates, built to last the replacement cycle — pays for itself. That's not a pitch. That's what a decade of manufacturing and watching filters perform in real homes teaches you.

Next Steps

You're the one protecting your home's air. Here's how to put this guide to work:

1. Measure your filter slot. Don't trust the old filter's label. Use a tape measure on the actual cabinet opening. Nominal and actual sizing are different numbers, and you need the second one. You're looking to match 22 1/8" x 24" x 5 1/4".

2. Check your system's MERV limit. Your Goodman installation manual lists the maximum rated MERV for your specific unit, or you'll find it on the label inside the cabinet door. Most current ARUF, AMST, and AVPTC series units handle MERV 11 comfortably. If your system pre-dates 2005, confirm before moving up from MERV 8.

3. Order from our factory. Our 22x24x5 MERV 11 filter is in stock and ships direct from our American manufacturing facilities to your door. Auto-delivery keeps you on schedule — most households need a replacement every 6 to 12 months. Pets and high-pollen exposure shorten that window.

4. Write the date on the frame. A marker, the install date, and 30 seconds. It's the most ignored maintenance habit in residential HVAC, and one of the most useful. Do it every time.

5. Check in at 6 months. Pull the filter and hold it up to light. Heavily loaded pleats mean it's time to swap. Cleaner than expected? Your air quality conditions may let you run longer. The filter tells you — but only if you look.

Frequently Asked Questions

What is the actual size of a 22x24x5 air filter?

The 22x24x5 is a nominal size — a reference label, not a measurement. Filterbuy's 22x24x5 MERV 11 filter cuts to actual dimensions of 22 1/8" x 24" x 5 1/4". That's the number that determines fit. Measure your Goodman cabinet opening before ordering and match to the actual cut size, not the nominal label on your old filter.

Is a MERV 11 filter compatible with Goodman air handlers?

Yes. MERV 11 is the recommended rating for most current Goodman air handlers, including ARUF, AMST, and AVPTC series units. These systems are built to handle the airflow resistance of a MERV 11 pleated filter without adding load to the blower motor. If your Goodman unit is older than 2005, pull the installation manual and check the maximum MERV rating before upgrading from MERV 8.

How often should I replace a 22x24x5 filter in a Goodman system?

Under normal household conditions, a 5-inch pleated MERV 11 filter runs 6 to 12 months before it needs replacing — substantially longer than the 1 to 3 months typical of a standard 1-inch filter. Households with pets, allergy sufferers, or high seasonal pollen should check the filter at the 4- to 6-month mark. If the pleats look heavily loaded, swap it. Writing the install date on the frame in marker makes the whole process easier to track.

What does MERV 11 filter out compared to MERV 8 and MERV 13?

MERV 8 handles larger particles — standard household dust, pollen, and lint — in the 3–10 micron range. MERV 11 adds capture efficiency for pet dander, mold spores, dust mites, and fine particulates down to 1 micron, which makes it a meaningful upgrade for households with allergy or respiratory concerns. MERV 13 extends to bacteria, tobacco smoke, and some airborne virus carriers, but creates greater airflow resistance that can strain Goodman residential blowers in older systems.

Will a MERV 11 filter reduce airflow in my Goodman HVAC system?

A clean, properly fitted MERV 11 filter in a 5-inch slot creates less pressure drop than the same rating in a 1-inch slot, because more media depth means more surface area at lower air velocity. For most Goodman residential systems built after 2005, MERV 11 in a 5-inch filter sits comfortably within the designed operating range. For what it's worth: a clogged filter at any MERV rating restricts airflow far more than a clean MERV 11 does.

Can I use a Filterbuy 22x24x5 filter in a Goodman air handler?

Yes. Filterbuy's 22x24x5 MERV 11 filter is manufactured to actual dimensions of 22 1/8" x 24" x 5 1/4" and is built to replace the Goodman MFAH-L media cabinet filter. It fits Goodman air handlers with a 5-inch deep media slot. Confirm your model number and cabinet specs before installing — your Goodman installation manual, or the label inside the cabinet door, will show the required dimensions.

What is the difference between a 4-inch and 5-inch furnace filter for Goodman systems?

The depth difference comes down to media volume. A 5-inch filter holds more pleated media than a 4-inch filter at the same face dimensions, which gives it more particle-holding capacity before pressure drop climbs — and typically a longer service interval. Goodman systems built for a 5-inch slot need a 5-inch filter. Dropping a 4-inch filter into that slot leaves a bypass gap at the back of the cabinet. Unfiltered air finds it. Always match depth to your Goodman cabinet spec.

Your Goodman System Runs on Clean Air. Make Sure It Gets It.

Your 22x24x5 MERV 11 filter, precision-manufactured, American-made, and shipped direct from our factory to your door. No middlemen. No guesswork. Shop 22x24x5 MERV 11 Goodman Filters at Filterbuy.com