EVO-CO2V is designed for who care about health, and drive with safety in mind. For new parent, commuters stuck in traffic day after day, and RV Lovers
Q&A
Q1: If the car’s A/C has an automatic fresh/recirculation switching function, do I still need a CO2 meter?
A: Yes — because the automatic system was never designed to control CO2 levels. 99.9% of vehicles do not have a built-in CO2 sensor, so the system has no idea how high the concentration is inside the cabin. In AUTO mode, the fresh-air intake typically allows only 20 – 60 % outside air and may cycle on and off, causing CO2 to drop very slowly — sometimes staying above 1500 ppm even during driving.
Q2: To keep CO2 low, should I just keep fresh-air mode on all the time?
A: Not always. In tunnels, traffic jams, or areas with heavy exhaust, fresh-air mode brings in pollutants. At those times, recirculation mode is necessary. The EVO-CO2V meter reminds the driver when it’s time to switch back to fresh-air mode for ventilation.
Q3: Can a car air purifier reduce CO2 concentration?
A: No. Air purifiers are mainly designed for particles and odors; they do not remove CO2. To reduce CO2 in the cabin, you must rely on fresh-air ventilation or opening windows.
Q4: Should the CO2 meter be placed at the A/C vent?
A: The most accurate and stable location is the center console cigarette lighter socket (the EVO-CO2V default mount). Inside the car, air mixes through convection, so CO2 does not simply “sink.” Placing the sensor directly at a vent or too close to the driver’s nose may cause false spikes or compensation errors.
Q5: Why We Use Cigarette Lighter Power Instead of Batteries?
a.Safety First – No Built-in Battery. b. High-Frequency CO2 Monitoring Requires Stable Power. c. Practical Mounting & Clean Setup.
EvoDevice - Smarter Protection for Everyday Life From Home Appliances, Car Air, Rest & Recovery, and Plants
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EVO-CO2V is designed for who care about health, and drive with safety in mind. For new parent, commuters stuck in traffic day after day, and RV Lovers
Q&A
Q1: If the car’s A/C has an automatic fresh/recirculation switching function, do I still need a CO2 meter?
A: Yes — because the automatic system was never designed to control CO2 levels. 99.9% of vehicles do not have a built-in CO2 sensor, so the system has no idea how high the concentration is inside the cabin. In AUTO mode, the fresh-air intake typically allows only 20 – 60 % outside air and may cycle on and off, causing CO2 to drop very slowly — sometimes staying above 1500 ppm even during driving.
Q2: To keep CO2 low, should I just keep fresh-air mode on all the time?
A: Not always. In tunnels, traffic jams, or areas with heavy exhaust, fresh-air mode brings in pollutants. At those times, recirculation mode is necessary. The EVO-CO2V meter reminds the driver when it’s time to switch back to fresh-air mode for ventilation.
Q3: Can a car air purifier reduce CO2 concentration?
A: No. Air purifiers are mainly designed for particles and odors; they do not remove CO2. To reduce CO2 in the cabin, you must rely on fresh-air ventilation or opening windows.
Q4: Should the CO2 meter be placed at the A/C vent?
A: The most accurate and stable location is the center console cigarette lighter socket (the EVO-CO2V default mount). Inside the car, air mixes through convection, so CO2 does not simply “sink.” Placing the sensor directly at a vent or too close to the driver’s nose may cause false spikes or compensation errors.
Q5: Why We Use Cigarette Lighter Power Instead of Batteries?
a.Safety First – No Built-in Battery. b. High-Frequency CO2 Monitoring Requires Stable Power. c. Practical Mounting & Clean Setup.
EvoDevice - Smarter Protection for Everyday Life From Home Appliances, Car Air, Rest & Recovery, and Plants