6-in-1 Indoor Air Quality Monitor, CO2 Monitor in Home, Room

I got two of these monitors because I do pottery in my home basement and I wanted to be sure my air purifiers and pottery practices were keeping the house air safe. I have one in the basement and one the main living area in my house. The readings were always pretty low, ranging from 002-010, except for a couple of times when I kicked up a lot of dust. In those instances, the monitor reading was consistent with the indicators on the air purifiers, but still I was unsure how accurate they are. We are currently experiencing very poor air quality in my area due to distant wildfires. The weather app shows outside air AQI of 240 in my area. My indoor monitors were reading 35 and 24. I put a monitor outside and after several minutes it went up to 222 and had an audible signal. I took it back inside and it was reading 26. I replaced the HEPA filters in my air purifiers and after about 15 minutes, the readings went back to our baseline of 002. I replaced the filters in the basement air purifiers and again the reading on the basement monitor went down from 035 to 002 after about 20 minutes. I was pleased to see that the monitors work as intended, as do the air purifiers. The CO2 reading is not useful to me, and you have to recalibrate for CO2 every time you let the battery go flat, but for my purposes these monitors are great.

I'm very impressed with this air quality monitor. First of all it feels like it's very high quality. It does not feel or look cheap. I can tell a lot of thought went into the design. Setup was basically one button and it was ready to go, already fully charged. The display is straightforward and very crisp, bright, and easy to use. It's also accurate and the reading update instantly real time. The alarm feature is also a big plus because I put this in my garage man cave and I'll still be able to hear the alarm from other parts of the house. I also love how portable it is and how you can hand it on a wall. I highly recommend this!

Had all the features I wanted and I really liked it, but it has some kind of firmware glitch and I could not successfully recalibrate the AQI. It would recalibrate and then revert to negative numbers again. Not good.

This seems to be a useful and accurate tool, and I especially appreciate the CO2 monitoring. I find myself opening a window more often when the level is high. I run my air purifier less often -- only when the particulate level rises. I have no idea how accurate it is, but it is responsive, for example, to ordinary cooking fumes or burning incense. It's fairly easy to set up, and I recommend calibrating the CO2 level manually, as the instructions suggest.

This air quality monitor works well, with nice clear and bright display. And the readings are very close to my IQAir AirVisual and AirGradient monitors. Very simple to setup and calibrates CO2 easily. Great for any room in the house to display air quality. Reasonable price and I purchased two of them. I've been through a few air quality monitors and InkBird has been a real good and accurate product. Plus, InkBird support responds quickly for any questions or technical issues.

This was great until it wasn't. After 2 years suddenly wont start. No response from buttons. Not very great.

Update: Customer service is extremely helpful and issued a replacement product. However, the device still suffers from the same issue where it resets it's C02 calibration automatically after several days. If you want to use this as a continuous monitor in home you will need to reset the calibration outside for 200secs every few days. This is fantastic device for understanding indoor air quality. I wanted this meter as I wanted more than just C02 b/c we have a large living area that we do daily cooking and I wanted to know the impact to PM2.5 & how quickly HEPA filters cleared the air. However the main negative is the device resets it's C02 calibration automatically every 48 hours (to base ~410ppm) so you need to recalibrate if you want accurate readings. I do not care as much about bringing this device to external locations b/c I avoid them b/c the public is not taking COVID like the serious threat it is, therefore N95's & risk reduction are the only option for now. However this device would work well to bring to appointments just to see, but it is not really made for portability, there are better devices that don't have an unprotected screen & have data logging. If you are planning to bring device to external locations often make sure to reset calibration outdoors before going. This device works great to alert me if I forget to use my downdraft exhaust fan when cooking or if the oven/air fryer is creating smoke and I need to increase the speed on my HEPA filters. The main issue is the device recalibrating C02 automatically every 48 hours. If this issue was fixed I would rate the device 5 stars.

My INKBIRD plus air quality monitor developed a charging problem and was very quickly replaced. Customer service was excellent. They responded very quickly. When I had questions about making adjustments like how to adjust the time, I heard back right away. The monitor has a bright, clear display you can read with a quick glance. I like knowing the air quality numbers and then deciding if I should turn on the air purifier.

Accurate, very useful, especially the alarm function when air quality drops rapidly.

Battery died within a month. The fact that this item got a 3.8 star average review is telling. Most reviewers give a big benefit of the doubt so average review is usually above 4.5. That said, everything else I bought from Inkbird (sous vide, thermometers) are perfect.

Pros: * Has AQI as well as CO2 monitor * All monitoring parameters are accurate Cons: * AQI warning can only be turned off only till device goes off, after that it is automatically enabled again * Should have come with app and wifi support, so that historical data could have been maintained and various readings could have been tagged

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The charger does not work at all well! I have replaced 2 and neither would charge properly. Since one cannot use batteries, charging is the only way to use it. Finally the price is far too high for something that does not work well!!