4 Insulated Flexible Duct
FailShoppers spend an estimated $63K a year here, so 4 Insulated Flexible Duct is a Fail.
- Flapen Score
- 37 / 100Ranks 8,329 of 9,536 Tools & Home Improvement niches · −11 vs the category median of 4837
- Market size
- $63K/yr42K searches / yr
- 90-day growth
- -1.2%search demand this quarter
- Competition
- 70%top-5 click share · 8 brands · 16 sellers
Flapen Score
4 Insulated Flexible Duct against its category
The dotted line is the Tools & Home Improvement average. Past it, 4 Insulated Flexible Duct is stronger. Inside it, weaker.
Market
The 4 Insulated Flexible Duct market on Amazon at a glance
Shoppers on Amazon United States searched for 4 Insulated Flexible Duct 42K times last year and spent an estimated $63K. The top 5 brands take 90% of clicks. Flapen scores it 37 out of 100, a Fail.
01 · Demand
An estimated 4.8% of those searches ended in a purchase.
Shoppers searched for this 42K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.8% of those searches ended in a purchase. Searches in the last 90 days moved -1.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $63K a year.
- Searches, last 12 months
- 42K
- Growth, 90 days vs prior 90
- -1.2%
- Conversion, latest week
- 4.8%
- Market size, estimated
- $63Ka year
- Peak month
- July1.9× the quietest month
- Top search term
- 4 insulated flexible duct10K searches a year
02 · Price
A sale here is worth $31.73.
Listings sell for $31.73 on average, from $8.93 to $48.70. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 100 to 250 of them. At $31.73 that is $3K to $8K a year per listing.
- Average price
- $31.73inside the $15 to $100 sweet spot
- Price range
- $8.93–$48.70
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $3K–$8K
- Returns
- 3.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #114 within Ducting. It carries 4,079 reviews at 4.46 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #114in Ducting
- Average rating
- 4.46 starsAmazon United States average 4.42 stars
- Average reviews
- 4,079per listing
- Listings tracked
- 16
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 43 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 43 months
Products
Top 4 Insulated Flexible Duct products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 27, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
4 Inch 25 Feet R4.2 Insulated Flexible Duct | High-Efficiency Thermal Insulation | Suitable for Heating & Cooling
- Price
- $36.89
- Rating
- 4.6/5
- Reviews
- 85
- Age
- 1y ago

Hon&Guan 4 Insulated Flexible Duct 8 FT Long Black Noise Reducer Hose Silencer for Inline Duct Fan of Air Conditioner HVAC Ventilation System.
- Price
- $34.32
- Rating
- 4.4/5
- Reviews
- 676
- Age
- 5y ago

Cuchiilo 4 Inch Insulated Flexible Duct HVAC Insulation Duct 25 Feet Insulated Duct 4 in Insulated Duct Hose R4.2 Air Flexible Duct Aluminum Hose 425 Long for HVAC Flex Ductowrk
- Price
- $39.04
- Rating
- 4.3/5
- Reviews
- 318
- Age
- 4y ago

Rubber-Cal HVAC Insulated-Flex Ducting Ventilation Duct Hose 4-Inch by 25-Feet
- Price
- $38.52
- Rating
- 4.3/5
- Reviews
- 913
- Age
- 11y ago

AC Infinity Flexible 4-Inch Aluminum Ducting Heavy-Duty Four-Layer Protection 25-Feet Long for Heating Cooling Ventilation and Exhaust
- Price
- $21.73
- Rating
- 4.7/5
- Reviews
- 16,622
- Age
- 9y ago
Trending
estimated 90-day click momentum
4 Inch Insulated Flexible Duct 8 FT Black
- Price
- $33.19
- Rating
- 4.1/5
- Reviews
- 15
- Age
- 1y ago

AC Infinity Flexible 6-Inch Aluminum Ducting Heavy-Duty Four-Layer Protection 25-Feet Long for Heating Cooling Ventilation and Exhaust
- Price
- $25.66
- Rating
- 4.7/5
- Reviews
- 16,622
- Age
- 8y ago

VIVOSUN 4 Flexible Aluminum Duct 25 FT Long Heavy-Duty Multi-Layer Air Hose for HVAC Ventilation Dryer Vent Hose for Grow Tents and Duct Fan Systems 2 Clamps Included
- Price
- $20.21
- Rating
- 4.6/5
- Reviews
- 7,153
- Age
- 1y ago

4 Inch Insulated Flexible Duct 25 FT R4 HVAC Flex Duct with Black Jacket Owens Corning Fiberglass Insulation Aluminum Foil Core for Ventilation & Exhaust
- Price
- $44.41
- Rating
- 4.5/5
- Reviews
- 12
- Age
- 7mo ago

Dryer Vent Hose - 4 inch Flexible Duct 8ft Long Heavy-Duty Four-Layer Protection - Ideal for Heating Cooling Ventilation - Includes 2 Pack Clamps
- Price
- $8.93
- Rating
- 4.6/5
- Reviews
- 1,588
- Age
- 3y ago
Newest
by launch date
4 Inch Insulated Flexible Duct 25 FT R4 HVAC Flex Duct with Black Jacket Owens Corning Fiberglass Insulation Aluminum Foil Core for Ventilation & Exhaust
- Price
- $44.41
- Rating
- 4.5/5
- Reviews
- 12
- Age
- 7mo ago

VIVOSUN 4 Flexible Aluminum Duct 25 FT Long Heavy-Duty Multi-Layer Air Hose for HVAC Ventilation Dryer Vent Hose for Grow Tents and Duct Fan Systems 2 Clamps Included
- Price
- $20.21
- Rating
- 4.6/5
- Reviews
- 7,153
- Age
- 1y ago

4 Inch 25 Feet R4.2 Insulated Flexible Duct | High-Efficiency Thermal Insulation | Suitable for Heating & Cooling
- Price
- $36.89
- Rating
- 4.6/5
- Reviews
- 85
- Age
- 1y ago

6 Inch 25 Feet R4.2 Insulated Flexible Duct | High-Efficiency Thermal Insulation | Suitable for Heating & Cooling
- Price
- $45.21
- Rating
- 4.4/5
- Reviews
- 62
- Age
- 1y ago

Cuchiilo 4 Inch Insulated Flexible Duct HVAC Insulation Duct 25 Feet Insulated Duct 4 in Insulated Duct Hose R6.0 Air Flexible Duct Aluminum Hose 425 Long for HVAC Flex Ductowrk
- Price
- $48.70
- Rating
- 4.3/5
- Reviews
- 109
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 70% of clicks. Leaders hold, but buyers still shop past them.
Brands
8 falling
Sellers
16
Est. top-5 brand share
90%
Top 20: 100%
Est. top-5 click share
70%
Top 20: 100%
Open market
4%
- muctamo32%
- Cuchiilo17%
- AC Infinity16%
- Hon&Guan15%
- Rubber-Cal9%
- VEVOR6%
- Open — no brand owns it (2 brands, 4%)
Demand
4 Insulated Flexible Duct search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.9×
Search terms
Top 4 Insulated Flexible Duct search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 4 insulated flexible duct10K/yr
- 4 inch insulated flexible duct10K/yr
- insulated flexible duct6K/yr
- insulated duct5K/yr
- 4 inch duct insulation sleeve5K/yr
- insulated flex duct3K/yr
- 4 inch insulated duct3K/yr
Reviews and returns
What reviews say buyers love and hate about 4 Insulated Flexible Duct
We read the reviews and the return reasons for every product selling here.
“Not very well made”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 4 Insulated Flexible Duct questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









