quality

Air Quality Monitors: 5 Devices That Tell You What Your Lungs Already Know

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Smart Air Quality Monitors: 5 Devices That Tell You What Your Lungs Already Know

I bought my first air quality monitor for a bad reason: a $130 portable heater had been making the bedroom smell faintly of plastic for two weeks before I thought to measure the room. The readout stopped being interesting the moment I understood what it was actually telling me — the bedroom CO2 was over … Read more

Humidifier Automation: 5 Devices That Stop Wasting Water and Warmth

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Smart Home Humidifier Automation: 5 Devices That Stop Wasting Water and Warmth

Our bedroom hygrometer read 28 percent all last winter, and I kept refilling a dumb humidifier that ran wide open until the tank was dry — 3 a.m., empty, humidistat never consulted. Then I did the math that made me replace it: a bedroom held at 40–45% instead of 30% feels several degrees warmer at … Read more