00:00Stuffy Room Ruin Sleep, Kill Focus
00:02Carbon Dioxide Spike Indoors Fast
00:05Tested Market, Found Best Deals for Top 5 CO2 Air Quality Sensors for Homes
00:11Stop Guessing Indoor Air
00:13First, MHZ19 NDIR Infrared Sensor Module
00:18Cost, $7
00:20True Optical Chamber Red 400-5000 ppm through UART Pins
00:26Ignore Cooking Fumes, Target Pure CO2
00:29Top Budget Pick for DIY ESP Home Builds on Microcontroller Bench
00:34Second, SCD-40 SCD-41 Gas Sensor Module
00:39Cost, $12.34
00:43Sensirian Photoacoustic Tech Cram CO2, Temperature, Humidity Sensing on Tiny I2 Seaboard
00:49Perfect 5-Star Rating with over 4,500 units sold
00:54Buy for Compact Custom 3D Printed Room Monitors
00:58Third, Sonoff AirGuard SAWF08P
01:02Cost, $38.45
01:06Matter over Wi-Fi Connect Directly to Smart Hub Without Extra Bridge
01:10Built-in Screen, Audio Buzzer, LED Light Alarm, Historical Logging
01:15Zero Soldering, Zero Code
01:18Best Plug-in Consumer Monitor Out-of-Box
01:21Fourth, SCD-30 Sensor Module
01:25Cost, $15.30
01:28Dual-channel NDIR Optics Stop Baseline Drift over Years, Include Integrated Humidity and Temperature
01:35Compensation Industrial Reliability Make Unit Top Choice for Greenhouse Monitoring or Precision Lab Logging
01:42Fifth, Tuya 6-in-1 Smart Air Box
01:46Cost, $25.37
01:49Track CO2, PM 2.5, Formalvehyde, VE, Temperature, Humidity Together
01:56Connect through ZigBee or Wi-Fi to trigger Alexa, Google Home Exhaust Fan Automations
02:02Maximum metric coverage for lowest spend
02:05Item links sit in description below
02:07Hit like, subscribe for raw hardware breakdowns
