easy seal hvac
Worth a lookShows low returns (0.1%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 6% kills the launch gate
Growth
Great+109.7%90-day search growth — must beat 0% to launch
Price range
Incredible$35.36–$74.90cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$54.99avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Good791.57avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.1%search→purchase rate — share of searches ending in a sale
Competition
Bad89%top-5 click share — a locked-up shelf
Market size
Bad$24K$24K/yr · 7K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 flat
Sellers
64
Top-5 brand share
100%
Open market
0%
- Nu-Calgon78%
- Leak Saver22%
- Open — no brand owns it (0%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nu-Calgon 4050-11 EasySeal Direct Inject-UV Dye Refrigerant Leak Sealant One Size Treats Systems 2 to 7.5 Tons
Nu-Calgon$70.584.4★374 rev

Nu Calgon 4050-08 EasySeal Direct Inject (Packaging may vary)
Nu-Calgon$67.404.2★456 rev

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

Nu-Calgon 4050-05 EasySeal Ultimate SS (0.1 oz. Vessel)
Nu-Calgon$53.854.2★47 rev

Nu-Calgon 4050-11 EasySeal Ultimate LS/UV (0.1 oz. Vessel)
Nu-Calgon$74.904.0★25 rev
Newest
by launch date
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

Nu-Calgon 4050-11 EasySeal Ultimate LS/UV (0.1 oz. Vessel)
Nu-Calgon$74.9025 rev

Nu-Calgon 4050-11 EasySeal Direct Inject-UV Dye Refrigerant Leak Sealant One Size Treats Systems 2 to 7.5 Tons
Nu-Calgon$70.58374 rev

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$35.362,237 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$36.481,454 rev
Trending
90-day click momentum
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★

Nu-Calgon 4050-05 EasySeal Ultimate SS (0.1 oz. Vessel)
Nu-Calgon$53.854.2★

Nu-Calgon 4050-11 EasySeal Ultimate LS/UV (0.1 oz. Vessel)
Nu-Calgon$74.904.0★

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★

Nu-Calgon 4050-11 EasySeal Direct Inject-UV Dye Refrigerant Leak Sealant One Size Treats Systems 2 to 7.5 Tons
Nu-Calgon$70.584.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +109.7% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 5.7×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“This stopped the leak”
“Extremely pleased with results so far”
“As advertised”
“Easy to use”
“simple to follow install instructions”
“this inexpensive product saved me a lot of $”
“still going strong”
“It works”
“avoided a costly repair for the customer”
“Instructions were easy to follow”
What buyers complain about
“Made my leak worse”
“Nothing will flow in or out”
“Product does not work”
“Follow the instructions EXACTLY, TO THE LETTER, and DO NOT DEVIATE from the steps or the order they are in”
“A designed scam”
“Just watest money”
“So, product DID NOT DO what was promised/advertized”
“After application system was loosing pressure very slowly”
“Then when disconnected it splattered all over because fluid failed to inject”
“I noticed the temperature was hotter in my home”