Best Radon Test Kits: 6 Options From Lab Kits to Digital Monitors
Two mail-in lab kits listed under EPA measurement programmes, and four digital monitors that charge no lab fee, compared on what each one is actually for.
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Research-based buying guides that compare the leading options by documented specifications, real use cases and value.
Best Air Quality Monitors for Basements: 6 Picks for Radon, Damp and Combustion
Six monitors for the three problems a basement actually has: radon seeping from the ground, humidity that never leaves, and combustion appliances in an enclosed space.
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Best Outdoor Air Quality Monitors: 6 Picks for Measuring the Air at Your Own Address
Six monitors that measure outdoor particulates, from weatherproof mounted stations with professional laser sensors to handheld analysers you carry outside.
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Best CO2 Monitors for Greenhouses: 7 Picks for Enrichment and Ventilation
Seven carbon dioxide instruments sorted by what each listing states: NDIR monitors for watching a grow space, and a controller that switches enrichment and exhaust equipment for you.
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Extech LT300 vs LT45: Remote Sensor or a Brighter Ceiling?
The LT300 states lux and foot candle readings to 40,000 lux with a remote sensor, peak and relative modes. The LT45 is described in its title as a colour LED light meter reading to 400,000 lux.
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Extech SL510 vs 407732 Kit: Does the Calibrator Matter?
Both cover 35 to 130 dB. The SL510 states Class 2 with 1 dB accuracy, fast and slow response and min and max. The 407732 is supplied as a kit with a calibrator.
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BTMETER BT-100 vs TopTes TS-301: Which Handheld Anemometer?
The BT-100 states 0.67 to 67.1 mph at 2 percent of reading with eight vanes and a tripod thread. The TS-301 states six units, a 2.26 inch backlit screen and humidity as well as temperature.
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TempPro TP50 vs Testo 605i: Room Hygrometer or Professional Probe?
The TP50 states 2 to 3 percent relative humidity and 1 F accuracy with a comfort icon and high and low records. The 605i is a Bluetooth probe with a bendable head and automatic dew point.
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Extech EN300 vs Testo 605i: Five Measurements or One Done Properly?
The EN300 states air velocity, light, humidity, temperature and sound level in one handheld. The 605i states humidity and temperature with a 90 degree bendable probe, Bluetooth and automatic dew point and wet bulb.
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Qingping Air Monitor Lite vs Qingping CO2 Monitor: Five Metrics or a Better CO2 Story?
The Lite states PM2.5, PM10, CO2, temperature and humidity with HomeKit support. The CO2 Monitor states a Swiss Sensirion NDIR sensor, wider stated ranges and remote monitoring through Qingping IoT.
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GoveeLife H5106 vs IQAir AirVisual: Indoor Number or Indoor and Outdoor Together?
The H5106 reports indoor PM2.5 with a stated accuracy of 15 micrograms per cubic metre. The IQAir bundle adds a weatherproof outdoor monitor with two laser sensors and up to eight parameters.
Read Guide→Airthings View Plus vs GoveeLife H5106: Full Picture or Particulates Only?
The View Plus states radon, PM2.5, CO2, VOC, humidity, temperature and pressure on WiFi. The H5106 states PM2.5, temperature and humidity with a published accuracy figure for each.
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