Airflow & Air Quality

This EG air quality monitor measures formaldehyde, TVOCs, PM1.0/PM2.5/PM10, temperature, and humidity with real-time readings powered by a built-in fan and advanced sensors. Homeowners protecting family from indoor pollutants, allergies, or sick building syndrome should buy it for portable, continuous monitoring.

• Uncover invisible threats like formaldehyde and VOCs to protect your family's health from silent indoor pollutants
• Real-time PM2.5/PM10/PM1.0 detection helps identify dust sources and know when to change air filters
• Built-in fan ensures fast, accurate air sampling for reliable readings anywhere in your home
• Portable design with lithium battery for spot checks in bedrooms, offices, cars, or hotels
• Large color LCD display shows temp, humidity, and air quality data at a glance

Multifunctional with laser and electrochemical sensors for precise pollutant detection. Compact and battery-powered for easy portability and continuous use. Active fan sampling provides quicker, more accurate real-time results.

Requires initial calibration for accurate HCHO, temp, or PM2.5 readings. Sensitive TVOC sensor may show high readings from benign fragrances or odors. First-use zero readings common, needing sensor menu adjustments.

This AccUnni CO2 monitor is a compact, battery-powered device that measures carbon dioxide, temperature, and humidity with 3-color visual and sound alerts. Its portability and auto-calibration make it perfect for anyone monitoring air quality in homes, offices, cars, or schools.

• Stay safe anywhere with portable, battery-powered design that fits in your pocket for home, office, or car use
• Instant alerts via 3-color display and customizable sound volumes to warn of high CO2 levels without disturbance
• Precise real-time tracking of CO2 (400-5000PPM), temperature, and humidity for healthier indoor environments
• Hassle-free calibration: manual setup plus 7-day auto-adjustment ensures reliable accuracy over time
• Daily Hi/Lo records and low battery indicator keep you informed without manual tracking

Ultra-compact (2.3x2.6x1.2 inches) and lightweight for travel and everyday carry. Multi-sensor functionality covers CO2, temp, and humidity with high accuracy. Effective alarm system with visual backup for quiet monitoring.

Requires battery replacement when indicator shows low power. Sound alarm may need muting at night despite volume options. CO2 range limited to 5000PPM, not for extreme industrial use.

The AOPUTTRIVER AP-856A is a handheld anemometer that precisely measures wind speed from 0.001-100 mph and calculates CFM for HVAC air flow. Its USB data export and backlight display make it perfect for HVAC pros, windsurfers, and outdoor enthusiasts needing accurate, portable measurements.

• Measure wind speed with pinpoint accuracy up to 100 mph for reliable HVAC and outdoor assessments
• Calculate CFM effortlessly by setting duct areas, ideal for air blower and velocity testing
• Export data via USB to PC for detailed analysis and reporting
• Large backlight display with Max/Min/Current modes ensures easy reading in any light
• Switch between 5 units (m/s, km/h, ft/min, knots, mph) for versatile use

High precision (+/-3% accuracy) across wide wind speed range. USB connectivity for data storage and PC analysis. Multi-function CFM meter with customizable area settings.

Temperature range limited to 32-113°F. Requires manual duct area input for CFM calculations. Depends on included PC disc/software for full data export.

This handheld digital anemometer measures wind speed in 5 units plus temperature with high precision and 12 Beaufort scales. Its compact design with backlight and protective case suits HVAC technicians, drone pilots, and watersports enthusiasts.

• Get precise wind speed readings in 5 units (m/s, km/h, ft/min, knots, mph) plus 12 Beaufort scales for reliable outdoor assessments
• Measure air temperature from 14°F to 113°F with easy °C/°F switch for complete environmental monitoring
• Backlit LCD enables clear visibility in low-light conditions, perfect for evening use or dim indoor spaces
• Compact handheld design with wrist strap and protective case ensures portability and secure grip in strong winds
• Multi-function sensor handles HVAC duct vents, CFM calculations, and fan speeds for professional and DIY applications

High accuracy with sensitive 6-vane sensor for wind speed, direction, and temperature. Versatile 5-unit display and Beaufort scale for diverse professional uses. Backlight and portable build ideal for fieldwork in varied conditions.

Temperature range limited to 14°F-113°F, not suited for extreme climates. Auto power-off after 5 minutes may interrupt prolonged sessions. No user reviews available to confirm long-term reliability.

The GoveeLife Smart Air Quality Monitor is a 4-in-1 device measuring CO2, temperature, humidity, and clock with SCD4x sensor accuracy of ±(40ppm + 5%) and 5-second refresh. Its triple alerts and app data tracking suit families and offices prioritizing sleep quality and energy efficiency.

• Achieve better sleep and focus by detecting high CO2 levels early with ±40ppm accuracy and pressure compensation
• Get instant peace of mind from triple alerts: buzzer, app notifications, and email reports for CO2, temp, and humidity
• Customize LED display brightness for day/night use, perfect for nurseries and light-sensitive sleepers
• Track 2 years of data via app charts and export CSV reports for health or energy optimizations
• Voice query CO2 via Alexa/Google and link with GoveeLife fans/humidifiers for automated air management

Exceptional CO2 accuracy with fast 5s refresh and auto-calibration option. Versatile 4-in-1 display with customizable alerts and smart integrations. Long-term data storage and export for informed environmental decisions.

Requires 2.4GHz WiFi only and constant AC outlet for power. Limited compatibility to specific GoveeLife humidifiers, fans, and dehumidifiers. Full features like clock and calibration need app connection.

The Bcetasy 18-in-1 Smart Air Quality Monitor is a WiFi-enabled indoor detector that tracks AQI, CO2, PM2.5, PM1.0, PM10, TVOC, HCHO, temperature, humidity, and time in real-time. Its dual-chip technology delivers high-accuracy readings via app, ideal for homeowners and office users monitoring family health.

• Tracks 18 key metrics including AQI, CO2, PM2.5, TVOC for complete indoor air insight
• WiFi app stores historical data and sends alerts to safeguard health remotely
• Dual-chip tech ensures fast, precise readings for reliable air quality monitoring
• Portable design fits homes, offices, cars, and travel for everywhere protection
• 3000mAh battery lasts 7-15 hours with screen-off mode for uninterrupted tracking

Comprehensive 18-in-1 sensors cover all major pollutants. Seamless WiFi app for remote monitoring and data trends. High accuracy from dual-chip processing.

Requires 2.4GHz WiFi network for app connectivity. Connects to only one smartphone at a time. Sensors may need periodic restart for recalibration.

Tarinks 7-in-1 air quality monitor detects TVOC, HCHO, CO2, temperature, and humidity using Swiss-imported sensors with 1-second refresh rate. Its 1000mAh battery lasts up to 30 days, making it perfect for homeowners, office workers, and travelers monitoring indoor air health.

• Breathe safer with real-time TVOC, HCHO, CO2, temp, and humidity tracking for healthier indoor spaces
• High-precision Swiss sensors deliver accurate 1-second updates to spot pollution fast
• Color-coded LCD display shows air quality at a glance—blue for excellent, orange for severe
• 30-day battery life on 1000mAh rechargeable power keeps monitoring uninterrupted
• Versatile wall-hang or tabletop design fits living rooms, bedrooms, kitchens, offices, and travel

Advanced Swiss sensors for reliable real-time readings. Long-lasting 1000mAh battery supports up to 30 days of use. Flexible mounting options for any room or travel.

Electrochemical sensors interfere with alcohol, perfume, or ethanol nearby. Requires 3-5 minute preheat for accurate testing. Backlight activates only for 5 seconds per touch.

The Temtop C1 is a compact indoor air quality monitor measuring CO2 (400-5000ppm), temperature (-10-60°C), and humidity (0-99%RH) with dual modes offering up to 70 days battery life in ECO mode. It's ideal for home, office, or school users needing reliable, long-lasting ventilation tracking.

• Track CO2 levels continuously for up to 70 days in ECO mode, ensuring fresh air without frequent recharges
• Get real-time alerts with 3-color indicators and optional buzzer to maintain healthy indoor environments
• Monitor temperature and humidity alongside CO2 for complete air quality insights in one device
• Enjoy versatile placement with stand, magnetic attachment, or flat positioning anywhere in your space
• Experience hassle-free operation using just two buttons for mode switches and settings adjustments

Exceptional 70-day battery life in power-saving mode. Accurate CO2 readings with ±(40ppm +5%) precision. Compact, lightweight design (0.24 lb) for easy portability.

Does not detect PM2.5, VOCs, or CO like advanced models. No app connectivity for remote monitoring. Requires clear vents for optimal accuracy.

SwitchBot Meter Pro CO2 is a portable 5-in-1 indoor air quality monitor that tracks CO2, temperature, humidity, time, and comfort levels using high-precision Swiss NDIR sensors. Its large LCD display and long battery life make it perfect for homes, offices, cars, and greenhouses needing easy ventilation decisions.

• Instantly view CO2, temp, humidity, and comfort on a large clear LCD for quick ventilation decisions
• High-precision Swiss NDIR sensor delivers accurate CO2 readings every second to ensure healthy air
• Three alarm types notify via sound, screen, and app to maintain optimal indoor environments
• 12-month battery life with easy one-button control for hassle-free portable monitoring
• App integration exports 2 years of data and enables smart automations with other SwitchBot devices

Exceptional accuracy with ±50 ppm CO2 sensor and stable temp/humidity readings. User-friendly large screen visible from any angle with one-button operation. Long-lasting battery and local data storage up to 38 days for reliable use.

Requires SwitchBot Hub for app notifications, voice control, and automations. Bluetooth-only connectivity limits range without hub. Local storage limited to 38 days without app export.

The HoldPeak 866B-APP is a Bluetooth-enabled handheld anemometer measuring wind speeds from 0.67 to 67.1 mph with ±5% accuracy and temperatures from 14°F to 113°F. Its app connectivity for remote monitoring and easy CFM calculation suits HVAC techs, sailors, golfers, and outdoor shooters.

• Monitor wind speed and temperature remotely via Bluetooth app for real-time and historical data access
• Calculate CFM effortlessly for precise HVAC airflow measurements using wind speed and duct area
• Capture accurate readings with sensitive dual sensors, 8 vanes, and smooth fan shaft across multiple units
• Free your hands with tripod hole and secure hand strap for stable measurements during activities
• Read data clearly anytime with large backlit LCD screen, even in low-light conditions

High ±5% accuracy for reliable wind speed and temperature detection. Bluetooth app integration enables remote monitoring and data logging. Versatile CFM function ideal for HVAC and low airflow measurements.

Temperature range limited to 14°F–113°F, less ideal for extreme conditions. Bluetooth requires app download and pairing for full remote features. Fan-based design may be sensitive to dust in harsh environments.