My home furnace was venting exhaust into my house for at least three to five months and I had no clue. Until I started using a home air quality sensor.

The Airthings View Plus monitors more air-quality conditions than any other device we’ve tested: CO2, VOCs, PM2.5 (fine particles), radon, humidity, temperature, and air pressure.

IKEA made a smart air quality sensor to track indoor pollution Vindstyrka has a tongue-twisting name, but might improve your health.

CO2 is a key indicator of indoor air quality and the new NODE sensor allows you to easily measure the amount present anywhere on iOS or Android devices. Watch the video after the jump to see it in ...

Accuracy in cell testing can be affected by temperature, thus the need for temp-measurement sensors. And the positioning of that sensor is a sometimes overlooked, but essential, factor.

And vice versa, If the outside temperature is 45 and you want it to be 72 in the car, it has to blast the heat for a while. Well, it sounds to me like your outside temperature sensor went rogue.