crank window air conditioner
Skip itA small market ($33K/yr) — this niche doesn't clear our bar today.
Growth
Incredible+452.8%90-day search growth — must beat 0% to launch
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Avg price
Great$100.37avg listing price — sweet spot $15–$100
Returns
Okay3.9%return rate — above 5% kills the launch gate
Review moat
Okay2,742.69avg incumbent reviews — the moat a new listing must climb
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Competition
Bad75%top-5 click share — a locked-up shelf
Price range
Bad$16.59–$539.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$33K$33K/yr · 49K searches
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, crank window air conditioner is a $33K/yr Amazon United States market (49K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 44/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
crank window air conditioner market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $25K–$50K
- units × avg price
- Conversion rate
- 0.7%
- Avg BSR
- #298
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 75%
- Out of stock
- 6.3%
- Avg brand age
- 28 months
- Avg seller age
- 161 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 rising
Sellers
36
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
13%
- IKSTAR32%
- FSEN25%
- Gruntbear14%
- Loviga7%
- HOOMEE6%
- Whynter4%
- Open — no brand owns it (6 brands, 13%)
Top crank window air conditioner search terms
- crank window air conditioner16K/yr
- ac for crank out window8K/yr
- ac unit for crank out window10K/yr
- ac unit for crank out windows5K/yr
- ac for crank out windows4K/yr
- crank out window air conditioner4K/yr
- casement3K/yr
Top crank window air conditioner 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.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
FSEN Portable AC Window Seal Kit - Heavy-Duty Window Barrier with Adjustable Hole No-Drill Waterproof & Universal Fit for Sliding/Crank-Out/Skylight Windows. Blocks Heat Dust & Saves Energy!
FSEN$51.213.8★32 rev

IKSTAR Portable AC Window Seal Kit 400CM/157 for Casement Crank-Out & Skylight Windows No-Drill Window Vent Kit with Adjustable Zipper Fits Single & Dual Hose Portable Air Conditioners
IKSTAR$18.774.3★3,783 rev

Gruntbear Portable Air Conditioner Window Seal Kit for Casement 400CM/157
Gruntbear$20.203.8★428 rev

Portable AC Window Seal Kit for Casement & Crank Windows 300CM/118 No-Drill Window Vent Kit Adjustable Zipper Seal for Single & Dual Hose Portable Air Conditioners Waterproof AC Window Kit
IKSTAR$17.954.3★3,783 rev

HOOMEE 157(400CM) Universal Window Seal for Mobile Air Conditioner and Tumble Dryer Window Kit Works with Portable AC Easy to Install - Air Exchange Guards with Zip and Adhesive Fastener
HOOMEE$20.934.1★12,642 rev
Newest
by launch date
16 000 B T U Portable Air Conditioners for Large Room up to 750 Sq. Ft. 5-in-1 Smart AC with WiFi App Remote Control Fast Cooling Dehumidifier Fan Sleep Mode 24H Timer & Window Kit
SNOCOD$352.21320 rev

Window Seal Kit for Portable AC Window Seal Casement Window Vent Kit Seal Kit for Portable Air Conditioner & Ventilation System Easy to Install for Crank Out/Awning/Skylights Window 400CM/157)
CizmuoBen$19.0011 rev

LOVIGA 400CM(157) Portable AC Window Seal 100% Airtight Casement Window Vent Kit Seal Kit for Portable Air Conditioner & Ventilation System Easy to Install for Crank Out/Awning/Skylights Window
Loviga$19.6939 rev

Loviga 500CM (196) Portable AC Window Seal Kit Casement Window Vent Kit Seal Kit for Portable Air Conditioner & Ventilation System Easy to Install for Crank Out/Awning/Skylights Window
Loviga$19.5671 rev

FSEN Portable AC Window Seal Kit - Heavy-Duty Window Barrier with Adjustable Hole No-Drill Waterproof & Universal Fit for Sliding/Crank-Out/Skylight Windows. Blocks Heat Dust & Saves Energy!
FSEN$51.2132 rev
Trending
90-day click momentum
Window Seal Kit for Portable AC Window Seal Casement Window Vent Kit Seal Kit for Portable Air Conditioner & Ventilation System Easy to Install for Crank Out/Awning/Skylights Window 400CM/157)
CizmuoBen$19.003.3★

16 000 B T U Portable Air Conditioners for Large Room up to 750 Sq. Ft. 5-in-1 Smart AC with WiFi App Remote Control Fast Cooling Dehumidifier Fan Sleep Mode 24H Timer & Window Kit
SNOCOD$352.213.5★

HOOMEE 118(300CM) Universal Window Seal for Mobile Air Conditioner and Tumble Dryer Window Kit Works with Portable AC Easy to Install - Air Exchange Guards with Zip and Adhesive Fastener
HOOMEE$20.774.1★

Perfect Aire 10 000 BTU Casement Window Air Conditioner Cools 450 Sq. Ft. Remote with Follow Me Digital LED Display Timer Sliding/Crank-Out Window H: 23.5 Inch x W: 14.75 Inch x D: 21 Inch
PerfectAire$539.404.1★

LOVIGA 400CM(157) Portable AC Window Seal 100% Airtight Casement Window Vent Kit Seal Kit for Portable Air Conditioner & Ventilation System Easy to Install for Crank Out/Awning/Skylights Window
Loviga$19.694.0★
Common questions
- Is crank window air conditioner profitable to sell on Amazon United States?
- The niche generates $33K/yr across 16 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +452.8%. Flapen's verdict: Skip it (44/100).
- How competitive is the crank window air conditioner niche?
- 12 brands and 36 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 83% of demand.
- What does it cost to enter the crank window air conditioner niche?
- Listings span $16.59–$539.40; the average listing price is $100.37 (sweet spot $15–$100). The average incumbent carries 2,743 reviews — the moat a new listing must climb.