ac leak sealer
Worth a lookShows low returns (0.7%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Growth
Incredible+158.9%90-day search growth — must beat 0% to launch
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Avg price
Incredible$39.17avg listing price — sweet spot $15–$100
Price range
Incredible$22.44–$93.50cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good691.57avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.6%search→purchase rate — share of searches ending in a sale
Market size
Okay$239K$239K/yr · 132K searches
Competition
Bad72%top-5 click share — a locked-up shelf
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, ac leak sealer is a $239K/yr Amazon United States market (132K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 63/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
ac leak sealer market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- $313K–$392K
- units × avg price
- Conversion rate
- 4.6%
- Avg BSR
- #101
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 71%
- Out of stock
- 0.0%
- Avg brand age
- 74 months
- Avg seller age
- 165 days
Competition & brand share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
69
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
0%
- Leak Saver64%
- ERRECOM16%
- BlueDevil Products9%
- TSI Supercool5%
- Nu-Calgon4%
- InterDynamics3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +158.9% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 8.1×
Top ac leak sealer search terms
- ac leak sealer18K/yr
- ac stop leak18K/yr
- ac stop leak r134a11K/yr
- red angel ac stop leak9K/yr
- hvac leak sealer7K/yr
- r22 stop leak6K/yr
- stop leak ac refrigerant5K/yr
- r134a stop leak6K/yr
- 410a refrigerant stop leak5K/yr
- leak saver direct inject ac leak sealer5K/yr
Top ac leak sealer 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Leak Saver Direct Inject AC Leak Sealer | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in the USA
Leak Saver$35.364.3★2,237 rev
Leak Saver Direct Inject Ultimate 3-in-1 | AC Refrigerant Leak Sealer | with UV Dye & Moisture Remover | for Most HVAC Systems Up to 5 Tons - Professional AC Leak Sealer - AC Stop Leak
Leak Saver$46.374.3★948 rev
Leak Saver Direct Inject UV - Refrigerant Leak Sealer with Added UV Dye to Detect Large Leaks - for AC Refrigeration and Automotive Systems Up to 5 Tons - Compatible with All Refrigerants
Leak Saver$36.484.2★1,454 rev
BlueDevil Products Red Angel 49496 A/C Stop Leak - 2 Ounce
BlueDevil Products$25.134.3★832 rev
Extreme Ultra A/C Leak Stop Direct Easy Inject Solution for HVAC&R Systems up to 6 Tons with 1/4 SAE Charging Port for all Refrigerants and Oils | Reusable Refillable US Patented - 0.2 fl oz (6 mL)
ERRECOM$33.744.0★64 rev
Newest
by launch date
ERRECOM Extreme A/C Leak Stop for Vehicle A/C Systems | 3.6 OZ Aerosol Can
ERRECOM$30.3242 rev
Extreme Ultra A/C Leak Stop Direct Easy Inject Solution for HVAC&R Systems up to 6 Tons with 1/4 SAE Charging Port for all Refrigerants and Oils | Reusable Refillable US Patented - 0.2 fl oz (6 mL)
ERRECOM$33.7464 rev
Errecom Extreme Ultra | A/C Leak Stop for HVAC/R and Vehicle A/C Systems | Works with All Refrigerants Lubricants and Systems Up to 6 Tons (21 kW) | no Adapters Included | 0.2 fl oz (6 mL) Cartridge
ERRECOM$22.4440 rev
Errecom Extreme Ultra | A/C Leak Stop for Vehicle A/C Systems | Works with All Refrigerants and Lubricants | Includes R1234yf and R134a Adapters | 0.2 fl oz (6 mL) Cartridge
ERRECOM$28.54139 rev
Leak Saver Direct Inject Ultimate 3-in-1 | AC Refrigerant Leak Sealer | with UV Dye & Moisture Remover | for Most HVAC Systems Up to 5 Tons - Professional AC Leak Sealer - AC Stop Leak
Leak Saver$46.37948 rev
Trending
90-day click momentumERRECOM Extreme A/C Leak Stop for Vehicle A/C Systems | 3.6 OZ Aerosol Can
ERRECOM$30.322.6★
Errecom Extreme Ultra | A/C Leak Stop for HVAC/R and Vehicle A/C Systems | Works with All Refrigerants Lubricants and Systems Up to 6 Tons (21 kW) | no Adapters Included | 0.2 fl oz (6 mL) Cartridge
ERRECOM$22.443.9★
Leak Saver Direct Inject AC Leak Sealer 3-Pack | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in the USA
Leak Saver$93.504.3★
TSI Supercool 39241B Total Leak Stop and U/V Dye 1 oz (HFC Free BOV Can with Adapter Retail Box)
TSI Supercool$29.373.7★
Leak Saver Direct Inject AC Leak Sealer | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in the USA
Leak Saver$35.364.3★
What buyers say about ac leak sealer
What buyers praise and complain about, mined from review topics.What buyers love
“I dont have a leak”
“Extremely pleased with results so far”
“Easy to Use”
“As advertised”
“It is well worth the cost”
“Instructions were easy to follow”
“Works great for fridges”
“avoided a costly repair for the customer”
“As far as durability”
“- Very easy application process without needing extra tools”
What buyers complain about
“Leaks”
“Nothing will flow in or out”
“value is terrible”
“Follow the instructions EXACTLY, TO THE LETTER, and DO NOT DEVIATE from the steps or the order they are in”
“So, product DID NOT DO what was promised/advertized”
“It's a terrible product design”
“Product did not work at all”
“broke almost immediately”
“It didnt seem like there was much pressure at all in the canister”
“destroy my AC system or magically repair it”
Top return reasons
Common questions
- Is ac leak sealer profitable to sell on Amazon United States?
- The niche generates $239K/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +158.9%. Flapen's verdict: Worth a look (63/100).
- How competitive is the ac leak sealer niche?
- 6 brands and 69 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in ac leak sealer?
- Top complaints mined from reviews: Leak-Proof, Functionality-Overall, Value For Money. The return rate is 0.7%.
- When does demand for ac leak sealer peak?
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 8.1× the quietest.
- What does it cost to enter the ac leak sealer niche?
- Listings span $22.44–$93.50; the average listing price is $39.17 (sweet spot $15–$100). The average incumbent carries 692 reviews — the moat a new listing must climb.