ac kit
Skip itWeak search conversion (1.0%) — this niche doesn't clear our bar today.
Growth
Great+81.3%90-day search growth — must beat 0% to launch
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Good574.57avg incumbent reviews — the moat a new listing must climb
Avg price
Good$150.72avg listing price — sweet spot $15–$100
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Returns
Okay5.6%return rate — above 6% kills the launch gate
Market size
Okay$112K$112K/yr · 72K searches
Brand share
Bad91%top-5 brand share — brand-locked demand
Price range
Bad$24.07–$523.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Competition
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
36
Top-5 brand share
91%
Open market
6%
- VEVOR60%
- VIVOHOME12%
- VTG VOGTEN12%
- BUYAUTOPARTS!5%
- Orion Motor Tech3%
- UAC3%
- Open — no brand owns it (4 brands, 6%)
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 28 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
VEVOR 4.5 CFM AC Vacuum Pump and Gauge Set Single Stage Rotary Vane HVAC Air Vacuum Pump A/C Refrigerant Manifold Gauge Kit with Leak Detector Hoses for R134a R12 R22 R502a R410A R404 R407C
VEVOR$124.334.6★112 rev

VIVOHOME 110V 1/3 HP 4CFM Single Stage Rotary Vane Air Vacuum Pump and R134a AC Manifold Gauge Set Kit with Leak Detector Carry Bag for HVAC Air Conditioning Refrigeration Recharging ETL Listed
VIVOHOME$128.204.6★4,115 rev

VEVOR Vacuum Pump 7 CFM 3/4 HP HVAC Two Stage Rotary Vane AC Vacuum Pump for R134a R22 R410a R1234YF R32 4 Pole Motor for Automotive Air Conditioner Maintenance Resin Degassing Oil Included
VEVOR$135.024.1★23 rev

VEVOR Vacuum Pump 3.5 CFM HVAC Single Stage Rotary Vane Vacuum Pump for R134a R22 R410a Systems Auto AC Vacuum Pump Kit with Oil Bottle for Automotive Air Conditioner Maintenance Resin Degassing
VEVOR$58.514.4★33 rev

VEVOR AC Vacuum Pump and Gauge Set 7 CFM 3/4 HP Two Stage Rotary Vane HVAC Vacuum Pump A/C Manifold Gauge Kit for R134a R22 R410a with Leak Detector Carry Bag Hose for Auto HVAC Air Conditioning
VEVOR$176.634.2★7 rev
Newest
by launch date
VEVOR Vacuum Pump 7 CFM 3/4 HP HVAC Two Stage Rotary Vane AC Vacuum Pump for R134a R22 R410a R1234YF R32 4 Pole Motor for Automotive Air Conditioner Maintenance Resin Degassing Oil Included
VEVOR$135.0223 rev

VEVOR AC Vacuum Pump and Gauge Set 7 CFM 3/4 HP Two Stage Rotary Vane HVAC Vacuum Pump A/C Manifold Gauge Kit for R134a R22 R410a with Leak Detector Carry Bag Hose for Auto HVAC Air Conditioning
VEVOR$176.637 rev

VEVOR AC Vacuum Pump and Gauge Set 4.5 CFM 1/3 HP Single Stage Rotary Vane HVAC Vacuum Pump A/C Manifold Gauge Kit for R134a R22 R410a R1234YF R32 with Carry Bag for Auto HVAC Air Conditioning
VEVOR$124.1825 rev

VEVOR Vacuum Pump 3.5 CFM 1/4 HP HVAC Single Stage Rotary Vane AC Vacuum Pump for R134a R22 R410a Systems 4 Pole Motor for Automotive Air Conditioner Maintenance Resin Degassing Oil Included
VEVOR$53.359 rev

VEVOR AC Vacuum Pump and Gauge Set 3.5 CFM 1/4 HP Single Stage Rotary Vane HVAC Vacuum Pump A/C Manifold Gauge Kit for R134a R22 R410a R1234YF R32 with Carry Bag for Auto HVAC Air Conditioning
VEVOR$111.5816 rev
Trending
90-day click momentum
VEVOR Vacuum Pump 9 CFM HVAC 2 Stage Rotary Vane Vacuum Pump for R134a R22 R410a Systems Auto AC Vacuum Pump Kit with Oil Bottle for Automotive Air Conditioner Maintenance Resin Degassing
VEVOR$171.323.6★

VEVOR Vacuum Pump 3.5 CFM HVAC Single Stage Rotary Vane Vacuum Pump for R134a R22 R410a Systems Auto AC Vacuum Pump Kit with Oil Bottle for Automotive Air Conditioner Maintenance Resin Degassing
VEVOR$58.514.4★

VEVOR AC Vacuum Pump and Gauge Set 3.5 CFM 1/4 HP Single Stage Rotary Vane HVAC Vacuum Pump A/C Manifold Gauge Kit for R134a R22 R410a R1234YF R32 with Carry Bag for Auto HVAC Air Conditioning
VEVOR$111.584.2★

VEVOR AC Vacuum Pump and Gauge Set 7 CFM 3/4 HP Two Stage Rotary Vane HVAC Vacuum Pump A/C Manifold Gauge Kit for R134a R22 R410a with Leak Detector Carry Bag Hose for Auto HVAC Air Conditioning
VEVOR$176.634.2★

VTG VOGTEN 4.5 CFM AC Vacuum Pump and Gauge Set for Mini Split/HVAC/Auto Systems Manifold Gauge Kit fits R134a R12 R22 R410a with Leak Detector Core Depressor Valves 2 R134a Can Taps Storage Case
VTG VOGTEN$133.644.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +81.3% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 8.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“High quality tool for a very reasonable price”
“Worth the money”
“As advertised”
“Pump worked great”
“easy to read and use”
“It is easy to setup”
“was great pulling down a vacuum”
“Quiet operation”
“This pump and gauge set saved more quite a bit of money”
“Looks durable”
What buyers complain about
“THIS ONE LEAKS”
“Low quality”
“Gauge set is average”
“The instructions suck”
“Failed after first use”
“THE LOWEST PRICE MAY BE A BIG RED FLAG”
“It doesn't fit tightly at all”
“pressure kept dropping”
“Tightened every connection”
“an audible hissing can be heard”