SONOFF SAWF-08P AirGuard CO2 Matter over Wi-Fi Air Quality Monitor Mult Metric Environmental Matter Compatible Alexa Apple Home
Computer Peripherals
“The SONOFF SAWF-08P AirGuard CO2 monitor offers Matter-native multi-ecosystem compatibility (Apple Home, Home Assistant, Google Home, SmartThings) with a 3.73-inch LCD and USB-C power, but suffers from a utilitarian design lacking screen backlight and inconsistent Alexa integration. Good for budget air quality monitoring in Matter-based smart homes under $50.”
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Kickstand prevents accidental tipping when power cord is pulled and improves viewing angle
matteralpha.comit is better to use the kickstand
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LED indicator light is bright enough to be visible across the room for quick air quality checks
matteralpha.comthe always-on light indicator is bright enough to be visible across the room
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Built-in buzzer alarm alerts when CO2 or particle levels exceed thresholds
tech.scargill.netBoth have a little loudspeaker symbol showing that sound is available
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Powered via standard USB-C with 2m cable included, compatible with common phone chargers and adapters
matteralpha.comthey worked perfectly with standard phone chargers and Ikea USB power adapters
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Screen lacks backlight, reducing readability in dim lighting conditions compared to competitors
matteralpha.comthe Sonoff units feel a bit plain
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Design appears utilitarian and less refined than the Ike a Vindstyrka which has better industrial design
matteralpha.comlooks like a downgraded version of the Ikea Vindstyrka
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Alexa integration fails consistently with devices going offline after failed sharing attempts
matteralpha.comI also encountered trouble connecting the sensors to Alexa
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Pairing requires 2.4GHz Wi-Fi network specifically; 5GHz not supported
community.home-assistant.iomy iphone had to be on the 2.4 Ghz wifi network
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This highlights a key concern: you likely need to buy both units to get a complete picture of your home’s air.
matteralpha.comThis highlights a key concern: you likely need to buy both units to get a complete picture of your home’s air.