18x36 solar pool cover
Worth a lookShows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Growth
Incredible+179.4%90-day search growth — must beat 0% to launch
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Good966.5avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.8%search→purchase rate — share of searches ending in a sale
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Avg price
Okay$186.88avg listing price — sweet spot $15–$100
Market size
Okay$197K$197K/yr · 22K searches
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Price range
Bad$103.50–$407.56cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 18x36 solar pool cover is a $197K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 62/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
18x36 solar pool cover market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $187K–$234K
- units × avg price
- Conversion rate
- 4.8%
- Avg BSR
- #139
- Page quality
- 0%
- Prime
- 35%
- Sponsored
- 100%
- Out of stock
- 4.8%
- Avg brand age
- 39 months
- Avg seller age
- 224 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
15 rising
Sellers
19
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
53%
Top 20: 95%
Open market
13%
- In The Swim28%
- VEVOR16%
- VINGLI14%
- Shop Square13%
- Sun2Solar10%
- Doheny's5%
- Open — no brand owns it (9 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +179.4% search growth over the last 90 days.Peak months: Apr, May, Jun · busiest ÷ quietest = 22.8×
Top 18x36 solar pool cover search terms
- 18x36 solar pool cover8K/yr
- 18 x 36 solar pool cover5K/yr
- 18x36 solar pool covers for inground pools3K/yr
- pool solar cover 18x363K/yr
- solar pool cover 18x363K/yr
Top 18x36 solar pool cover 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
In The Swim 18 x 36 Premium Blue Rectangle Solar Pool Cover 12 Mil for Solar Heating Above Ground Pools and Inground Pools
In The Swim$177.694.1★618 rev
VINGLI 12Mil Solar Pool Cover Rectangle Solar Blanket-Heavy Duty Solar Pool Cover for Above Ground Pool-Pool Solar Cover for Inground Pool (Blue 18x36 Rectangular)
VINGLI$159.814.5★733 rev
VEVOR Solar Pool Cover 36 x 18 ft Rectangle Pool Bubble Cover 8 Mil Pools Solar Blanket with Bubble & PE Material Daytime Heat Absorption Nighttime Heat Retention Heat Retaining Solars Covers
VEVOR$111.244.4★1,032 rev
In The Swim 18 x 36 Standard Blue Rectangle Solar Pool Cover 8 Mil for Solar Heating Above Ground Pools and Inground Pools
In The Swim$125.174.1★217 rev
18 x 36 Rectangle Solar Cover for Inground and Above Ground Pools 12 Mil - Premium Heavy Duty Solar Blanket for Above Ground Pool Blue - Made in USA
Shop Square$159.974.0★434 rev
Newest
by launch date
EliteEdge Solar Pool Cover 18 x 36 ft 14mil Rectangle Solar Blanket for Inground Pool and Above-Ground Swimming Pool Blue
EliteEdge$156.0724 rev
Blue Wave 18x36-ft Rectangle Solar Pool Cover 12-Mil Blue Solar Cover for Inground Pool Thermal Bubble Blanket for Heat Retention & Reduced Evaporation
Blue Wave$185.8612 rev
VEVOR Solar Pool Cover 36 x 18 ft Rectangle Pool Bubble Cover 8 Mil Pools Solar Blanket with Bubble & PE Material Daytime Heat Absorption Nighttime Heat Retention Heat Retaining Solars Covers
VEVOR$111.241,032 rev
Sun2Solar Solar Pool Cover 16 Mil | 18 x 36 Ft Blue Solar Blanket | Rectangle Swimming Pool Cover | Water Conservation & Debris Protection
Sun2Solar$198.0092 rev
Shop Square 18 x 36 Foot Rectangle Solar Pool Cover for Inground and Above Ground Pools 16 Mil - Premium Heavy Duty Solar Blanket for Above Ground Pool Blue - Made in USA
Shop Square$215.0650 rev
Trending
90-day click momentumEliteEdge Solar Pool Cover 18 x 36 ft 14mil Rectangle Solar Blanket for Inground Pool and Above-Ground Swimming Pool Blue
EliteEdge$156.074.2★
Blue Wave 18x36-ft Rectangle Solar Pool Cover 12-Mil Blue Solar Cover for Inground Pool Thermal Bubble Blanket for Heat Retention & Reduced Evaporation
Blue Wave$185.863.6★
Dohenys Clear-Tek Micro Bubble Solar Pool Cover for In-Ground Swimming Pools | Increase Solar Energy Absorption Retain Heat Reduce Evaporation Reduce Heat Loss & Save 18x36 ft Blue 2400
Doheny's$195.513.6★
Dohenys Clear-Tek Micro Bubble Solar Pool Cover for In-Ground Swimming Pools | Increase Solar Energy Absorption Retain Heat Reduce Evaporation Reduce Heat Loss & Save 18x36 ft Blue 1600
Doheny's$155.533.6★
VEVOR Solar Pool Cover 36 x 18 ft Rectangle Pool Bubble Cover 8 Mil Pools Solar Blanket with Bubble & PE Material Daytime Heat Absorption Nighttime Heat Retention Heat Retaining Solars Covers
VEVOR$111.244.4★
What buyers say about 18x36 solar pool cover
What buyers praise and complain about, mined from review topics.What buyers love
“The cover seems to be well-made”
“Its fits snug”
“Love this product really helps with keeping the heat in the pool”
“durable”
“Better than expected”
“Easy to use”
“Good concept and value,”
“box is not too heavy”
“Really good quality, the gray version is very thick, tough, and heavy”
“Simple to assemble”
What buyers complain about
“They don't last super well”
“Not as thick as I would have thought”
“Cheap quality, not recommended”
“This one wasnt that much cheaper for being a lot less useful”
“Size not accurate”
“Cheap product not as advertised”
“Product adhesion to itself is terrible”
“Much heavier then covers we have purchased in the past”
“Very flimsy”
“It is very difficult to roll and unroll”
Top return reasons
Common questions
- Is 18x36 solar pool cover profitable to sell on Amazon United States?
- The niche generates $197K/yr across 26 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +179.4%. Flapen's verdict: Worth a look (62/100).
- How competitive is the 18x36 solar pool cover niche?
- 15 brands and 19 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in 18x36 solar pool cover?
- Top complaints mined from reviews: Durability, Thickness, Quality-Overall. The return rate is 0.5%.
- When does demand for 18x36 solar pool cover peak?
- Demand peaks in Apr–May–Jun; the busiest month runs 22.8× the quietest.
- What does it cost to enter the 18x36 solar pool cover niche?
- Listings span $103.50–$407.56; the average listing price is $186.88 (sweet spot $15–$100). The average incumbent carries 967 reviews — the moat a new listing must climb.