Is 16x24x4 furnace filter profitable to sell on Amazon United States?

The niche generates $127K/yr across 13 tracked products. 90-day search growth is +24.1%. Flapen's verdict: Skip it (46/100).

How competitive is the 16x24x4 furnace filter niche?

5 brands and 29 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in 16x24x4 furnace filter?

Top complaints mined from reviews: Size-Overall, Filtration, Advertised Vs Actual Product. The return rate is 1.1%.

When does demand for 16x24x4 furnace filter peak?

Demand is steady year-round — the busiest month runs 1.6× the quietest.

What does it cost to enter the 16x24x4 furnace filter niche?

Listings span $43.23–$86.30; the average listing price is $58.72 (sweet spot $15–$100). The average incumbent carries 15,322 reviews — the moat a new listing must climb.

16x24x4 furnace filter

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Price range

Incredible$43.23–$86.30

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Great1.1%

return rate — above 5% kills the launch gate

Avg price

Great$58.72

avg listing price — sweet spot $15–$100

Conversion

Great10.5%

search→purchase rate — share of searches ending in a sale

Growth

Good+24.1%

90-day search growth — must beat 0% to launch

Market size

Okay$127K

$127K/yr · 21K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad77%

top-5 click share — a locked-up shelf

Review moat

Bad15,321.62

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Price

According to Flapen's Amazon United States niche tracking, 16x24x4 furnace filter is a $127K/yr Amazon United States market (21K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 46/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

16x24x4 furnace filter market data

Units sold / yr: 2K–3K; avg 100–250/product
Revenue / yr: $117K–$147K; units × avg price
Conversion rate: 10.5%
Avg BSR: #90
Page quality: 0%
Prime: 38%
Sponsored: 69%
Out of stock: 5.3%
Avg brand age: 75 months
Avg seller age: 180 days

Competition & brand share

The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

77%

Top 20: 100%

Open market

Filtrete42%
Filterbuy38%
Filter King15%
Nordic Pure4%
Glasfloss1%

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — +24.1% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.6×

Open Trend

Top 16x24x4 furnace filter products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Filterbuy 16x24x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 15.38 x 23.38 x 3.63)

Filterbuy$49.844.6★68,921 rev

Filtrete 16x25x4 Air Filter MERV 11 MPR 1000 Micro Allergen Defense 2-Pack Fits Lennox & Honeywell AC Furnace HVAC Filters for Home Pleated Electrostatic (Actual Size 15.88x24.56x4.31 in)

Filtrete$43.584.6★1,839 rev

Filtrete 16x25x4 Air Filter MERV 11 MPR 1000 Micro Allergen Defense 4-Pack Fits Lennox & Honeywell AC Furnace HVAC Filters for Home Pleated Electrostatic (Actual Size 15.88 x 24.56 x 4.31 in)

Filtrete$71.564.6★4,889 rev

Filter King 16x24x4 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 15.5 x 23.5 x 3.75)

Filter King$70.654.6★3,373 rev

Filtrete 16x25x4 Air Filter MERV 12 MPR 1550 Certified Asthma & Allergy Friendly 2-Pack Fits Lennox & Honeywell AC Furnace HVAC Filters Pleated Electrostatic (Actual Size 15.88x24.56x4.31 in)

Filtrete$51.554.6★5,199 rev

Newest

by launch date

Filter King 16x24x4 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 15.5 x 23.5 x 3.75)

Filter King$70.653,373 rev

3y ago

Filter King 16x24x4 Air Filter (MERV 8) (5-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 15.5 x 23.5 x 3.75)

Filter King$82.57961 rev

3y ago

Filtrete 16x25x4 Air Filter MERV 11 MPR 1000 Micro Allergen Defense 2-Pack Fits Lennox & Honeywell AC Furnace HVAC Filters for Home Pleated Electrostatic (Actual Size 15.88x24.56x4.31 in)

Filtrete$43.581,839 rev

4y ago

Filtrete 16x25x4 Air Filter MERV 12 MPR 1550 Certified Asthma & Allergy Friendly 2-Pack Fits Lennox & Honeywell AC Furnace HVAC Filters Pleated Electrostatic (Actual Size 15.88x24.56x4.31 in)

Filtrete$51.555,199 rev

4y ago

Glasfloss ZL 16x24x4 MERV 10 Pleated Air Filters for AC Furnace. 3-Pack

Glasfloss$45.472 rev

6y ago

What buyers say about 16x24x4 furnace filter

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall24%

“Good fit”

Filtration22%

“Quality filter”

Quality-Overall16%

“High performance”

Value For Money16%

“Good price”

Advertised Vs Actual Product9%

“Worked as advertised”

Assembly/Installation2%

“Easy install”

Ease Of Use2%

“Very nice convenient”

Durability1%

“Last very well”

Efficiency1%

“they work great in my HVAC”

Allergies1%

“Not only do the filters stand up to our household standards for allergic relief”

What buyers complain about

Size-Overall58%

“To small”

Filtration14%

“Filter didn't fit”

Advertised Vs Actual Product9%

“Incorrect size advertised”

Quality-Overall4%

“I guess thier quality control is off”

Compatibility-Overall2%

“Do not fit Honeywell”

Ease Of Use2%

“then getting it out took quite a bit of effort”

Value For Money2%

“These are on a pricey side”

Thin1%

“Noticeably thinner than 4inch”

Strength1%

“Also a bit flimsy”

Measurement/Reading Accuracy1%

“Measurements are wrong”

Top return reasons

Size-Overall70%

Filtration13%

Compatibility-Overall8%

Value For Money3%

Advertised Vs Actual Product2%

Thickness1%

Defective Material/Parts1%

Functionality-Overall0%

Product Condition0%

Maintenance And Repair0%

Common questions

Is 16x24x4 furnace filter profitable to sell on Amazon United States?: The niche generates $127K/yr across 13 tracked products. 90-day search growth is +24.1%. Flapen's verdict: Skip it (46/100).
How competitive is the 16x24x4 furnace filter niche?: 5 brands and 29 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 16x24x4 furnace filter?: Top complaints mined from reviews: Size-Overall, Filtration, Advertised Vs Actual Product. The return rate is 1.1%.
When does demand for 16x24x4 furnace filter peak?: Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the 16x24x4 furnace filter niche?: Listings span $43.23–$86.30; the average listing price is $58.72 (sweet spot $15–$100). The average incumbent carries 15,322 reviews — the moat a new listing must climb.