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co2 controller

Skip it41/100

a small market ($48K/yr) — co2 controller doesn't clear our bar today.

Market/yr

$48K

Growth (1y)

+96.3%

Products

13

Brands

8

was 9 a year ago

Sellers

23

Price range

$41.37–$225.03

Returns

5.1%

Rating

3.9★

41/100

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Scored 41/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
2
×0.30
Growth
64
×0.30
Competition
35
×0.20
Quality gap
87
×0.10
Returns
59
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +96.3% year over year.
500250Spike '24Spike '25Prime Day '25Holiday '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

No pronounced peak months · busiest ÷ quietest = 1.4×

Competition

27%Inkbird
  • Inkbird27%
  • briidea22%
  • AC Infinity21%
  • DANOPLUS13%
  • VIVOSUN7%
  • Autopilot5%
  • Other (2 brands)6%

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them. 8 brands and 23 sellers compete here.

Brands

8 falling

was 9 a year ago

Sellers

23

Top 5 brand share

90%

#ProductBrandPriceRatingReviewsClick shareTrend
9Autopilot$225.034.6★5545%falling

Product shelf

All 13 tracked products in this niche.

Inkbird ICC-510 CO2 Controller CO2 Meter Dual Plug Carbon Dioxide Controller Fit with CO2 Regulator and Inline Exhaust Fan for Grow Tent Grow Room Greenhouse Grower

Inkbird ICC-510 CO2 Controller CO2 Meter Dual Plug Carbon Dioxide Controller Fit with CO2 Regulator and Inline Exhaust Fan for Grow Tent Grow Room Greenhouse Grower

Inkbird

$128.804.4★58 reviews

AC Infinity CO2 Controller Smart Outlet Carbon Dioxide Monitor Two-Plug System Best Fit with CO2 Regulators and Inline Exhaust Fans Adjusts CO2 for Grow Tents Grow Rooms Greenhouses

AC Infinity CO2 Controller Smart Outlet Carbon Dioxide Monitor Two-Plug System Best Fit with CO2 Regulators and Inline Exhaust Fans Adjusts CO2 for Grow Tents Grow Rooms Greenhouses

AC Infinity

$124.983.9★169 reviews

CO2 Controller Carbon Dioxide Controller CO2 Meter Monitor Day and Night Relay Function NDIR CO2 Sensor for Green House Grow Rooms Factory Home Office

CO2 Controller Carbon Dioxide Controller CO2 Meter Monitor Day and Night Relay Function NDIR CO2 Sensor for Green House Grow Rooms Factory Home Office

DANOPLUS

$118.774.3★148 reviews

briidea CO2 Monitor and Controller Newest CO2 Controller with Remote Sensor Photocell for Day/Night Control Programmable Function to Save CO2 for Grow Room Greenhouse

briidea CO2 Monitor and Controller Newest CO2 Controller with Remote Sensor Photocell for Day/Night Control Programmable Function to Save CO2 for Grow Room Greenhouse

briidea

$66.320.0★0 reviews

VIVOSUN Hydroponics CO2 Regulator Emitter System with Solenoid Valve Flowmeter for Grow Room Grow Tent Garden

VIVOSUN Hydroponics CO2 Regulator Emitter System with Solenoid Valve Flowmeter for Grow Room Grow Tent Garden

VIVOSUN

$41.374.2★1,394 reviews

Briidea Wi-Fi CO2 Controller for Grow Tent Two-Plug System for CO2 Regulatos and Inline Exhaust Fans Smart Environmental WiFi-Controller to Adjusts CO2 for Grow Tents Grow Rooms Greenhouses

Briidea Wi-Fi CO2 Controller for Grow Tent Two-Plug System for CO2 Regulatos and Inline Exhaust Fans Smart Environmental WiFi-Controller to Adjusts CO2 for Grow Tents Grow Rooms Greenhouses

briidea

$72.732.9★13 reviews

Briidea CO2 Controller and Monitor Day and Night Programmable CO2 Controller with Remote Sensor for Greenhouses

Briidea CO2 Controller and Monitor Day and Night Programmable CO2 Controller with Remote Sensor for Greenhouses

briidea

$70.972.6★4 reviews

AC Infinity Controller AI+ with CO2 Sensor Bundle AI-Powered Learning CO2 Data Tracking for Gardens & Grow Tents Temp Humidity & VPD Monitoring for Dynamic Level Adjusting Bluetooth & WiFi App

AC Infinity Controller AI+ with CO2 Sensor Bundle AI-Powered Learning CO2 Data Tracking for Gardens & Grow Tents Temp Humidity & VPD Monitoring for Dynamic Level Adjusting Bluetooth & WiFi App

AC Infinity

$192.124.2★94 reviews

Reviews

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

What buyers love

Ease Of Use32%

“Easy to use”

Quality-Overall16%

“Better than other Brands”

Advertised Vs Actual Product13%

“Working exactly as expected so far”

Value For Money10%

“offers excellent value for money”

Assembly/Installation8%

“Easy to set up and make adjustments”

Strength4%

“Solid controller”

Compatibility-Overall3%

“It is compatible with grow lights”

Sensor3%

“I like that this bundle pairs a controller with a CO2 sensor”

Plant Growth3%

“Perfect for indoor growing”

Design-Overall3%

“the design is awesome”

What buyers complain about

Instructions/User Manual/Troubleshooting26%

“Horrendous instructions”

Measurement/Reading Accuracy17%

“Its off my a few hundred PPM more than its allowing me to calibrate”

Durability13%

“Failed in 6 months”

Functionality-Overall13%

“Didnt work for me”

Defective Material/Parts7%

“Product doesn't work as stated”

Ease Of Use6%

“This unit is very difficult to use”

Assembly/Installation6%

“do not provide enough guidance for setup or operation”

Connectivity-Overall3%

“does not link to your phone Bluetooth or Wi-Fi like other similar devices”

Quality-Overall3%

“This thing is junk”

Leak-Proof3%

“Even spilled water on it”

Top return reasons

  • Functionality-Overall26%
  • Defective Material/Parts13%
  • Measurement/Reading Accuracy11%
  • Compatibility-Overall8%
  • Connectivity-Overall7%
  • Advertised Vs Actual Product6%
  • Product Condition6%
  • Size-Overall4%
  • Value For Money4%
  • Ease Of Use4%

Data scraped July 9, 2026 · Marketplace baseline: 4.4★ avg rating · $22.71 median price · 2.2% median returns across 13,812 tracked niches.