Is 23.5 x 23.5 x1 air conditioner filter profitable to sell on Amazon United States?

The niche generates $176K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +56.3%. Flapen's verdict: Worth a look (50/100).

How competitive is the 23.5 x 23.5 x1 air conditioner filter niche?

4 brands and 11 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in 23.5 x 23.5 x1 air conditioner filter?

Top complaints mined from reviews: Size-Overall. The return rate is 0.3%.

When does demand for 23.5 x 23.5 x1 air conditioner filter peak?

Demand peaks in Jun–Jul; the busiest month runs 2.1× the quietest.

What does it cost to enter the 23.5 x 23.5 x1 air conditioner filter niche?

Listings span $30.70–$87.86; the average listing price is $50.16 (sweet spot $15–$100). The average incumbent carries 15,007 reviews — the moat a new listing must climb.

23.5 x 23.5 x1 air conditioner filter

Worth a look

Shows low returns (0.3%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Price range

Incredible$30.70–$87.86

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

Avg price

Great$50.16

avg listing price — sweet spot $15–$100

Conversion

Great8.8%

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

Growth

Good+56.3%

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

Market size

Okay$176K

$176K/yr · 40K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad74%

top-5 click share — a locked-up shelf

Review moat

Bad15,007.42

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, 23.5 x 23.5 x1 air conditioner filter is a $176K/yr Amazon United States market (40K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 50/100.

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

23.5 x 23.5 x1 air conditioner filter market data

Units sold / yr: 3K–4K; avg 250–500/product
Revenue / yr: $150K–$201K; units × avg price
Conversion rate: 8.8%
Avg BSR: #133
Page quality: 0%
Prime: 50%
Sponsored: 67%
Out of stock: 1.1%
Avg brand age: 90 months
Avg seller age: 195 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

Filtrete40%
Filterbuy40%
Filter King16%
Simply4%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — +56.3% search growth over the last 90 days.

Peak months: Jun, Jul · busiest ÷ quietest = 2.1×

Open Trend

Top 23.5 x 23.5 x1 air conditioner filter search terms

23.5x23.5x1 air filter18K/yr +47.4%9.6% conv.
air filter 23.5x23.5x16K/yr +55.1%5.8% conv.
ac filter 23.5 x 23.5 x 14K/yr +59.9%12.7% conv.
furnace filters 23.5x23.5x14K/yr +75.7%0.6% conv.
23.5x23.5x1 furnace filter3K/yr +82.9%0.4% conv.
23.5 x 23.5 x1 air conditioner filter3K/yr +61.2%12.0% conv.
air filter 23.5 x 23.5 x 12K/yr +26.0%11.6% conv.

All search terms

Top 23.5 x 23.5 x1 air conditioner 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 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Filtrete 23.5x23.5x1 AC Furnace Air Filter MERV 11 MPR 1000 Micro Allergen Defense 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 6 Pack (Actual Size Pack 23.188x23.188x0.81 in)

Filtrete$70.754.8★11,774 rev

Filterbuy 23.5x23.5x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 23.38 x 23.38 x 0.75)

Filterbuy$39.464.6★546 rev

Filter King 23.5x23.5x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 23.5 x 23.5 x .75)

Filter King$50.233.5★7 rev

Filterbuy 23.5x23.5x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack) Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA (Actual Size: 23.38 x 23.38 x 0.75)

Filterbuy$49.134.7★51,098 rev

Filtrete 23.5x23.5x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 4-Pack (Actual Size 23.19 x 23.19 x 0.81 in)

Filtrete$44.774.7★6,265 rev

Newest

by launch date

Filtrete 23.5x23.5x1 AC Furnace Air Filter MERV 11 MPR 1000 Micro Allergen Defense 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 2 Pack (Actual Size 23.188x23.188x0.81 in)

Filtrete$37.858 rev

10mo ago

Filtrete 23.5x23.5x1 AC Furnace Air Filter MPR 700 MERV 8 Tough on Pollen Easy on Airflow 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 4-Pack (Actual Size 23.19 x 23.19 x 0.81 in)

Filtrete$44.776,265 rev

1y ago

Simply 23.5x23.5x1 Air Filter Merv 8 4 Pack For Home AC Furnace & HVAC (Actual Size: 23.5x23.5x0.75) DUST Pet & Allergy Control

Simply$37.325,182 rev

3y ago

Filter King 23.5x23.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters MADE IN USA HVAC Pleated Electrostatic (Actual Size: 23.5 x 23.5 x .75)

Filter King$40.764,436 rev

3y ago

Filtrete 23.5x23.5x1 Air Filter MERV 13 MPR 1900 Allergens Bacteria Viruses & Air Pollutants 3-Month AC/Furnace Filters Cleaner Air Reliable Airflow 6 HVAC Filters(Act Size 23.18x23.18x0.78 in)

Filtrete$87.863,048 rev

7y ago

What buyers say about 23.5 x 23.5 x1 air conditioner filter

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

What buyers love

Quality-Overall50%

“Great quality”

Filtration25%

“Really Great filter”

Value For Money13%

“Worth it”

Size-Overall13%

“Permit fit”

What buyers complain about

Size-Overall100%

“Did not fit”

Top return reasons

Size-Overall85%

Value For Money5%

Advertised Vs Actual Product3%

Filtration2%

Certifications1%

Water Resistance1%

Jamming/Clogging1%

Compatibility-Overall1%

Product Condition1%

Common questions

Is 23.5 x 23.5 x1 air conditioner filter profitable to sell on Amazon United States?: The niche generates $176K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +56.3%. Flapen's verdict: Worth a look (50/100).
How competitive is the 23.5 x 23.5 x1 air conditioner filter niche?: 4 brands and 11 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 23.5 x 23.5 x1 air conditioner filter?: Top complaints mined from reviews: Size-Overall. The return rate is 0.3%.
When does demand for 23.5 x 23.5 x1 air conditioner filter peak?: Demand peaks in Jun–Jul; the busiest month runs 2.1× the quietest.
What does it cost to enter the 23.5 x 23.5 x1 air conditioner filter niche?: Listings span $30.70–$87.86; the average listing price is $50.16 (sweet spot $15–$100). The average incumbent carries 15,007 reviews — the moat a new listing must climb.