Is r1234yf adapter profitable to sell on Amazon United States?

The niche generates $138K/yr across 26 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is +131.0%. Flapen's verdict: Worth a look (63/100).

How competitive is the r1234yf adapter niche?

18 brands and 23 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 74% of demand.

What do buyers complain about in r1234yf adapter?

Top complaints mined from reviews: Size-Overall, Functionality-Overall, Quality-Overall. The return rate is 2.7%.

When does demand for r1234yf adapter peak?

Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 7.4× the quietest.

What does it cost to enter the r1234yf adapter niche?

Listings span $8.81–$35.28; the average listing price is $17.70 (sweet spot $15–$100). The average incumbent carries 228 reviews — the moat a new listing must climb.

r1234yf adapter

Worth a look

Shows demand growing +131.0% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+131.0%

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

Review moat

Great227.54

avg incumbent reviews — the moat a new listing must climb

Conversion

Great9.1%

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

Avg price

Great$17.70

avg listing price — sweet spot $15–$100

Price range

Great$8.81–$35.28

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

Returns

Good2.7%

return rate — above 5% kills the launch gate

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Good74%

top-5 brand share — brands hold most of the demand

Competition

Okay56%

top-5 click share — leaders hold, buyers still browse

Market size

Okay$138K

$138K/yr · 86K searches

Signals Trending Low Review Barrier

According to Flapen's Amazon United States niche tracking, r1234yf adapter is a $138K/yr Amazon United States market (86K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 63/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

r1234yf adapter market data

Units sold / yr: 8K–10K; avg 250–500/product
Revenue / yr: $142K–$177K; units × avg price
Conversion rate: 9.1%
Avg BSR: #177
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 37 months
Avg seller age: 190 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 rising

Sellers

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

56%

Top 20: 95%

Open market

20%

OXDFK26%
Orion Motor Tech16%
Cfyosnk15%
Boltigen11%
Lichamp6%
HTOMT6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +131.0% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 7.4×

Open Trend

Top r1234yf adapter search terms

r1234yf adapter29K/yr +114.3%8.7% conv.
1234yf adapter23K/yr +87.2%9.0% conv.
r1234yf to r134a adapter11K/yr +202.5%8.6% conv.
1234yf to 134a adapter7K/yr +387.0%9.3% conv.
r134a to r1234yf adapter7K/yr +118.7%8.4% conv.
r1234yf adapter kit3K/yr +117.6%8.8% conv.
1234yf adapter to r134a4K/yr +110.2%9.3% conv.
r134 to r1234yf adapter3K/yr +138.6%10.9% conv.

All search terms

Top r1234yf adapter 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

R1234YF Adapter R1234YF to R134A Quick Coupler 1234yf to 134a Quick Coupler High Low Side Connector Conversion Kit AC Charging for R1234yf Refrigerant Air Conditioning System Hose Fitting

OXDFK$15.084.0★223 rev

Cfyosnk R1234yf Adapter 2 Pack R1234yf to R134a Adapter Kit Quick Couplers for High & Low Side Car AC Refrigerant Recharge and Conversion

Cfyosnk$13.124.1★58 rev

Orion Motor Tech R1234yf Quick Couplers Set R1234yf Adapter Tool Kit with Self-Sealing & Puncture Can Tap High & Low R1234yf Couplers Set with Valve Core Remover for 1/4 & 1/2 HVAC Charging Hoses

Orion Motor Tech$35.104.6★221 rev

Boltigen R1234YF Quick Coupler R1234yf to R134a Adapter 1234yf to 134a Adapter High Low Side Connector Conversion Kit for AC Charging R-1234yf Refrigerant Air Conditioning System Hose Fitting

Boltigen$19.544.6★620 rev

R1234yf Adapter Kit R1234yf to R134a Quick Coupler High Low Side Connector Conversion Kit 1234yf Adapter to R134a for Car Air Conditioning System Evacuation Recharging

OXDFK$13.544.4★30 rev

Newest

by launch date

VIVOHOME R1234yf Adapter Tool Kit R1234yf Quick Couplers Set and Self Sealing and Puncture Can Taps Tank Adapter and Valve Core Remover for 1/4 and 1/2 HVAC Charging Hoses

VIVOHOME$29.8616 rev

3mo ago

R1234yf Quick Coupler Adapter Kit Quick Connect R1234yf Adapters & AC Hose Fitting Connectors High/Low R1234yf Adapter for Air Conditioning Evacuation and Recharging Conditioning Line Repair Tools

OXDFK$15.7813 rev

5mo ago

Cfyosnk R1234yf Adapter 2 Pack R1234yf to R134a Adapter Kit Quick Couplers for High & Low Side Car AC Refrigerant Recharge and Conversion

Cfyosnk$13.1258 rev

8mo ago

R1234yf to R134a Adapter Kit 2PCS Quick Couplers for High & Low Side Car AC Refrigerant Recharge and Evacuation Conversion Connectors for R1234yf and R134a Systems (Red & Blue)

TVTOO$13.4914 rev

10mo ago

R1234yf Adapter Kit R1234yf to R134a Quick Coupler High Low Side Connector Conversion Kit 1234yf Adapter to R134a for Car Air Conditioning System Evacuation Recharging

OXDFK$13.5430 rev

11mo ago

What buyers say about r1234yf adapter

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

What buyers love

Quality-Overall24%

“their quality is solid”

Size-Overall15%

“Fit perfect”

Advertised Vs Actual Product11%

“Exactly as described”

Value For Money10%

“The price is affordable”

Leak-Proof8%

“Didn't leak”

Efficiency5%

“Worked for me”

Charging4%

“AC is charged”

Design-Overall3%

“Great design”

Connectivity-Overall3%

“they connected with no issues”

Durability2%

“while the durable construction is built to withstand the rigors of frequent use in professional environments”

What buyers complain about

Size-Overall17%

“Doesnt fit most standard cans”

Functionality-Overall15%

“Doesnt work”

Quality-Overall9%

“However, the actual performance was very disappointing for me”

Compatibility-Overall9%

“it seems the adapters dont quite fit the couplers right”

Leak-Proof6%

“Low side connector leaking”

Connectivity-Overall6%

“While they solve a connection problem”

Socket/Port/Plug4%

“And it did not make a great seal if the port was not straight on”

Charging3%

“the pin in the center is not long enough to press teh charge port pin”

Pressure3%

“The high side would not connect properly to read pressure accurately”

Assembly/Installation3%

“needed to be assembled”

Top return reasons

Size-Overall31%

Compatibility-Overall23%

Leak-Proof7%

Connectivity-Overall6%

Defective Material/Parts6%

Functionality-Overall5%

Advertised Vs Actual Product4%

Product Condition4%

Pressure2%

Add-Ons/Attachments2%

Common questions

Is r1234yf adapter profitable to sell on Amazon United States?: The niche generates $138K/yr across 26 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is +131.0%. Flapen's verdict: Worth a look (63/100).
How competitive is the r1234yf adapter niche?: 18 brands and 23 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 74% of demand.
What do buyers complain about in r1234yf adapter?: Top complaints mined from reviews: Size-Overall, Functionality-Overall, Quality-Overall. The return rate is 2.7%.
When does demand for r1234yf adapter peak?: Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 7.4× the quietest.
What does it cost to enter the r1234yf adapter niche?: Listings span $8.81–$35.28; the average listing price is $17.70 (sweet spot $15–$100). The average incumbent carries 228 reviews — the moat a new listing must climb.