Hydroponics
AC Infinity B1 VPD Hygrometer — Smart Temp & Humidity Monitor
4.2/ 5
- 5 10
- 4 0
- 3 1
- 2 0
- 1 2
Brand AC Infinity
Product review
This kit includes the compact main hygrometer unit, a flexible corded probe for remote spot readings, a USB power cable and basic mounting hardware (magnetic plate and wall bracket) so you can place it on a desk, attach it to metal surfaces or hang it on a wall.
The housing is formed from durable plastic with a backlit LCD to show current temp, relative humidity, VPD and daily highs and lows. The external probe is insulated with a flexible jacket for routing into tents or enclosures while the main unit remains outside for easy viewing.
Pair the sensor to the companion Bluetooth app to view live measurements, set alarm thresholds, review historical graphs and export CSV files for analysis. It’s designed for use in grow tents, greenhouses, basements, guitar or instrument rooms, and other indoor spaces where stable climate control matters.
Pros
- Accurate temperature, humidity and VPD reporting
- Bluetooth app with graphs, alerts and CSV export
- Backlit display plus desktop, wall and magnetic mounts
Cons
- Bluetooth-only connectivity (no built-in Wi‑Fi)
- Probe cable may be vulnerable to wear if stressed
- Some users report intermittent pairing or support delays
VerdictA well-rounded climate sensor that pairs a wired probe with a simple Bluetooth app to give fast, spot and remote readings plus VPD calculations. The display and multiple mounting choices make it versatile for small grow spaces or home environments. Bluetooth-only connectivity and occasional pairing frustrations were mentioned by some users, but overall it delivers reliable temperature and humidity
Reviews
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DA 5/5
Accurate and dependable
Very accurate overall. A must for my grow tent. Slight worry about a small nick in the probe wire.
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Frederick Haws 3/5
Bluetooth pairing issues
Couldn’t get it to pair with my phone despite several attempts. I contacted support but never received a reply.
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James Weldon sawyer 5/5
Consistent performance
Has been running for over a year and keeps conditions steady.
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Gordon Birch 5/5
Simple setup for small tent
Easy to set up and calibrate if you have other trusted temp/humidity references.
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Andreas B. 5/5
Funktioniert im Gewächshaus
Hängt im Gewächshaus, von der Küche aus kann ich es prüfen. Entfernung etwa 25 m – funktioniert.
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mac 5/5
Reliable device
Performs exactly as expected.
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Lucas fernandes martins 5/5
High quality sensor
Sturdy build and a useful app. I’d like to see a solution that can also drive other devices, but the sensor itself is excellent.
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Julian 5/5
Outstanding build and features
Fantastic unit with features I haven’t seen elsewhere. Very satisfied.
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Kelly T 5/5
Trustworthy humidity readings
I double-check against my humidifier and the readings match, so I trust its RH numbers.
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Rob L 1/5
No Bluetooth connection
Tried both Android and iPhone — neither would connect to the app. Waste of time.
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Cjthedj77 1/5
Stopped working after months
Worked briefly then quit after a couple of months. Very disappointing.
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Ken 5/5
Long overdue upgrade
I wish I had bought this much earlier. Packaging and app setup are both clean and intuitive. It tracks temp, RH and calculates VPD immediately. I installed the probe inside my tent to avoid opening it and the unit is perfect for that.
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ShannonW 5/5
Cloudcom B1 with AC Infinity app
After a short learning curve the app made calibration straightforward. Bluetooth works reliably for me, though I’d prefer optional Wi‑Fi. Great affordable monitor for temp, humidity and VPD.
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