CO₂ and VOC levels in your home can rise faster than you think. AirCube’s color-changing glow shows you when it’s time to open a window.
🟢 Good 🟡 Crack a window 🔴 Ventilate
Plug it into USB‑C and it works. No account, no Wi‑Fi, no cloud, no subscription. Free iPhone app over Bluetooth. Pairs with Home Assistant over Zigbee. Fully ope
4.9
99 ratings
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I bought one with a little skepticism and have been pleasantly surprised with the AirCube Pro. So much so I've purchased 2 additional units. Could not be easier to setup and use. I love the iOS App too. My only criticism is the brightness slider in the app doesn't function as I would expect and the color changes at the edges of the ranges are hard to tell. That said I have emailed Damian and he got back to me in a day or 2 and said some changes in the next firmware will address these. How often can you get support directly from the person who designed the product you bought. Look forward to my additional units and I wish StuckAtProrotype and Damian the best.
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Craig · September 28, 2026
Simple to setup, basically, you plug it in! App is clean and adding the unit, also, took zero time and effort. I got the AirCubePro variant, this tiny device looks simple on the outside, but it packs a punch with the data it relays to the app. It will be interesting to see how the air quality in my house changes through out the year. ESP. during the summer when forest fires are at their height. Living in Portland, they are a constant threat. TY AirCube, this was worth the money I paid and more, thinking about buying one more for my office!
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Alex · September 27, 2026
Great open-source product with impressive accuracy. I observed the units turning orange in a closed room, indicating poorer air quality. After opening the window for a few minutes, they quickly went back to green, demonstrating responsive and reliable monitoring.