---
title: "Crank Window Air Conditioner — $33K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/crank-window-air-conditioner"
last_updated: "2026-08-08T22:41:55.219Z"
locale: en
meta:
description: "Niche score 44/100 · $33K/yr market · 49K searches/yr · $100.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $33K/yr market · 49K searches/yr · $100.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Crank Window Air Conditioner — $33K/yr Amazon US Niche (2026) - Flapen"
---
# **crank window air conditioner**
**Skip it**
A small market ($33K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 100Conversion 8Competition 21Returns 39Price range 16Avg price 75Brand share 36Review moat 38Quality gap 96
**Growth**
**Incredible****+452.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Incredible****3.9★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****$100.37**
avg listing price — sweet spot $15–$100
**Returns**
**Okay****3.9%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****2,742.69**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$16.59–$539.40**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****$33K**
$33K/yr · 49K searches
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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 conditioner**16K/yr>1,000%0.5% conv. - **ac for crank out window**8K/yr+351.2%0.4% conv. - **ac unit for crank out window**10K/yr+122.1%0.7% conv. - **ac unit for crank out windows**5K/yr>1,000%0.3% conv. - **ac for crank out windows**4K/yr+601.9%0.4% conv. - **crank out window air conditioner**4K/yr+291.7%0.2% conv. - **casement**3K/yr+137.0%0.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/crank-window-air-conditioner/search-terms)
## **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.
0%10%$3K20%$7K30%$10K40%$13K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**$51.21**3.8★32 rev](https://www.amazon.com/dp/B0FGXMWV38) [2**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**$18.77**4.3★3,783 rev](https://www.amazon.com/dp/B0BLH4Y374) [3**Gruntbear Portable Air Conditioner Window Seal Kit for Casement 400CM/157**Gruntbear**$20.20**3.8★428 rev](https://www.amazon.com/dp/B09Q881Z75) [4**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**$17.95**4.3★3,783 rev](https://www.amazon.com/dp/B0FG2MDS5X) [5**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**$20.93**4.1★12,642 rev](https://www.amazon.com/dp/B07BPZGJ3B)
**~~View all top sellers →~~**
### **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**$352.21**320 rev2mo ago](https://www.amazon.com/dp/B0GZ4TJF9Y) [**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**$19.00**11 rev3mo ago](https://www.amazon.com/dp/B0GXJ1TP87) [**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**$19.69**39 rev6mo ago](https://www.amazon.com/dp/B0GJSPRHB5) [**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**$19.56**71 rev6mo ago](https://www.amazon.com/dp/B0GJSGR5LM) [**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**$51.21**32 rev1y ago](https://www.amazon.com/dp/B0FGXMWV38)
**~~View all new products →~~**
### **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**$19.00**3.3★**▲ 28%**](https://www.amazon.com/dp/B0GXJ1TP87) [**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**$352.21**3.5★**▲ 28%**](https://www.amazon.com/dp/B0GZ4TJF9Y) [**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**$20.77**4.1★**▲ 26%**](https://www.amazon.com/dp/B07C986TBQ) [**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**$539.40**4.1★**▲ 20%**](https://www.amazon.com/dp/B0D27CSNCC) [**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**$19.69**4.0★**▲ 17%**](https://www.amazon.com/dp/B0GJSPRHB5)
**~~View all trending →~~**
## **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.
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