temperature humidity detector for home best sellers

#1 Carbon Monoxide Detectors KH Alert Carbon Monoxide Detectors, Carbon Monoxide Detector Plug in with Temperature Humidity Sensor Built-in, CO Level Monitor Alarm with Clear LCD Display Sound & Light Warning for Home/Hotel/RV

$26.99 on Amazon

#2 Air Quality Monitor Temtop Air Quality Monitor, Indoor Thermometer Portable AQI PM2.5, Temperature, Humidity Detector for Home, Office or School, Air Quality Tester, Battery Powered, Magnetic Suction

$36.99 on Amazon

#3 Carbon Monoxide Detector Carbon Monoxide Detector Plug in Wall, WESHLGD Portable Carbon Monoxide Detector for Travel, 3-in-1 CO Detector for Home and Travel Camping(CO Gas Meter Temperature Humidity Sensor)

$26.99 on Amazon

#4 4 in 1 Upgraded Combination NORJAN 4-in-1 Upgraded Combination Natural Gas Leak Detector and Carbon Monoxide Detectors, Dual Sensor Gas Leak Detector & Carbon Monoxide Detectors Plug in (Temperature & Humidity Sensor) for Home, RV

$34.97 on Amazon

#5 🆕 Plug in Carbon Monoxide Plug in Carbon Monoxide & Natural Gas Combination Detector,TEYUAN 4 in 1 CO Detector | Gas Detector | Humidity |Temperature Meter,CO Level Monitor Alarm for Home Hotel RV Trip Camp

$59.99 on Amazon

#6 3 in 1 Carbon Monoxide GENERIC 3-in-1 Carbon Monoxide Detectors, Portable Carbon Monoxide Detector for Travel with Temperature & Humidity Display, Carbon Monoxide Detector Plug in Wall for Home/RV, Accurate & Easy to Install

$26.99 on Amazon

#7 CO2 Monitor Indoor Air Newentor CO2 Monitor, Indoor Air Quality Meters, Carbon Dioxide Detector with Voice Alert, Large Display CO2 Tester, Temperature Humidity Sensor, Alarm Clock for Home, RV, Grow Tents, Black

$64.99 on Amazon

#8 🔥 🆕 Prefessionall Indoor AQItech Prefessionall Indoor Air Quality Monitor with AQI Beep Alarms, 8 in 1 Portable Real-Time Detector for CO2 | TVOC | HCHO | Temperature | Humidity for Home Cars Plants and Pets (Lvory White)

$43 on Amazon

#9 CO2 Carbon Dioxide Detector LANGKOU CO2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-in-1 Portable CO2 Monitor, Tester for Carbon Dioxide, Temperature & Relative Humidity, CO2 Meter with Alarm, for Home, Car, Grow Tents, Travel

$35.99 on Amazon

#10 🆕 Decibel Meter 30~130dB TEKCOPLUS Decibel Meter 30~130dB Sound Level Meter, 13 inches LCD Display Wall Hanging Sound Gauge, Noise Level Detector, Decibel Monitoring Device, Time, Temperature, Humidity for Studio Classroom Home

$58.99 on Amazon

#11 🔥 3 In 1 Carbon Dioxide 3 In 1 Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer For Co2 Digital Co2 Meter For Home Office

$14.76 on Walmart

#12 Plug in Carbon Monoxide KH Alert Plug in Carbon Monoxide and Natural Gas Detector, Combination Gas & Carbon Monoxide Detectors for Travel with Temperature Humidity Display, 4 in 1 CO and Gas Detector for Home/Travel(1 Pack)

$35.99 on Amazon

#13 CO2 Detector NDIR 3 in 1 CO2 Detector NDIR, 3-in-1 White Infrared Sensor CO2 Monitor Indoor Temperature and Humidity Tester, Air Quality Monitor for Desktop Home Car Office Room

$23.99 on Walmart

#14 CO2 Meter Portable CO2 TEKCOPLUS CO2 Meter Portable CO2 Detector Digital CO2 Monitor with Alarm Function Carbon Dioxide Temperature and Humidity Meter, NDIR CO2 Sensor Indoor Air Quality Monitor for Home Office Grow Room

$134.59 on Amazon

#15 Air Quality Monitor Carbon Temtop Air Quality Monitor Carbon Dioxide Temperature and Humidity Tester Professional PM2.5 PM10 Meter Indoor Air Pollution Detector Thermometer for Home Office School Gym (P1000)

$79.99 on Amazon

#16 8 in 1 Indoor Air Quality MOESAPU 8-in-1 Indoor Air Quality Monitor, Formaldehyde Detector, Temperature & Humidity Meter, Sensor, Tester Detect PM2.5, CO, CO2, HCHO,TVOC,AQI Micron Dust, Home Air Test Kits

$49.90 on Amazon

#17 Infrared Surface Thermometer Wintact Infrared Surface Thermometer -58℉ to 1202℉, Dew Point/Mould Detector, Laser Temperature Humidity Gun, Hygrometer, Pyrometer with Thermocouple for Home, HVAC Black

$28.99 on Amazon

#18 Air Quality Monitor Weather Temtop Air Quality Monitor Weather Forecast Station PM2.5 PM10 Temperature and Humidity AQI Meter Indoor Air Pollution Detector for Home Office School Hospital Gym (P100)

$179.99 on Amazon

#19 Air Quality Monitor Indoor Temtop Air Quality Monitor Indoor PM2.5 CO2 Detector, 8-in-1 Smart Air Quality Weather Station with PM2.5 PM10 CO2 Temperature Humidity Sensor Weather Forecast for Home

$183.99 on Amazon

#20 Ammonia Gas Detector AOPUTTRIVER Ammonia Gas Detector, AP-5800G Rechargeable Ammonia Gas Monitor, 0~100 PPM NH3 Monitor & 0.1ppm Resolution with Temperature(℉/℃), Humidity for Poultry, Farm, Home

$198.99 on Amazon