Aranet4 HOME
CO2 sensors are used to control ventilation systems and monitor indoor air quality. They can be stand-alone sensors or integrated into thermostats or air quality monitoring platforms.
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Aranet4 HOME
Indoor air quality monitoring platform with CO2 sensors with app for long-term monitoring.
Hub Highlights:
- Basic display of CO2, temperature, and humidity values.
- Connects to Aranet building automation system. App displays historical data via graphs and has configurable alarms.
- Excellent performance on Hub CO2 accuracy testing protocols
- Includes CO2, temperature, and humidity sensors. Automatic background calibration and manual calibration available.
Last Edited on: 6/26/2025
| Sensor Type | Non-dispersive infrared (NDIR) Manufacturer: Senseair |
| Power Input | Two AA Batteries |
| Outputs | Bluetooth to app interface |
| Altitude Correction Method | Unknown |
| Measurement Range | 0-9,999 ppm |
| Reported Accuracy | 0-5000 ppm: ± (30 ppm + 3 % of reading) >5000 ppm: ± 10% of reading |
| CO2 Display | On device |
| Uses Automatic Background Calibration (ABC) | Yes |
Last Edited on: August 21, 2024
| Date of Test (including warm-up period if device uses automatic background calibration) | August 21, 2024 |
| Sample Size | 5 |
|
Error of CO2 measurement @1100 ppm (average) (ppm)
|
21 |
|
Error of CO2 measurement @ 1100 ppm (standard deviation) (ppm)
|
20 |
| Accuracy Category | less than ±75ppm |
|
Noise of CO2 measurement @1100 ppm (Average) (ppm)
|
13 |
|
CO2 Full results
|
See Box Plot |
| Operating Power for Sensor (watts) | (2) AA Batteries |
| Operating Power for Gateway (watts) | NA |
|
Operating Power for Sensor + Gateway (watts)
|
(2) AA Batteries |
| Operating Power Category | less than ±0.5 W |
| Maximum Number of Sensors per Gateway | NA |
Data Collection
Sample Size
5
Data Source: Staff at the UC Davis Western Cooling Efficiency Center
User interface
1. Can the sensor display the CO2 level to occupants? If yes describe.
Yes - Sensor displays live CO2 readings on e-ink screen. Display also available on iOS or Android app, no account required.
User interface
2. Can the sensor display a visual indicator to occupants that the CO2 level has exceeded a programmed threshold? If yes, describe (what does the indicator look like, what the default thresholds are, and can the threshold be changed).
Yes - A bar on screen indicates the CO2 level. When CO2 is below the low setpoint (1000 ppm by default), the bar hovers over a green dash on the case. When CO2 is greater than the high setpoint (1400 ppm by default), the bar hovers over a red dash. When CO2 is between the two setpoints, the bar hovers over a yellow dash. The setpoints are configurable on the mobile app.
Reporting capabilities
3. Can the sensor alert facilities (such as an email, text, or call phone application) when the CO2 level has exceeded a programmed threshold? If yes, describe (what does the indicator look like and can the threshold be changed).
Yes - Sensor has an auditory alarm that sounds when CO2 exceeds the high limit. The alarm can be muted.
Integration capabilities
4. Can the CO2 sensor interface with a building automation system (BAS) or demand control ventilation (DCV) system controller? If yes, describe if integration capabilities are vendor specific.
Yes - Aranet BAS only
Integration capabilities
5. If sensor can interface with a BAS or DCV system controller, is additional hardware required?
No
Reporting Capabilities, Integration Capabilities
6. How can the CO2 sensor data be logged? If proprietary software, describe (what type of account is needed, what logging intervals are available, what does it look like, and describe its capabilities including data download capabilities).
Logged data available as text file download via mobile app. Logging interval can be configured as 1, 2, 5, or 10 minutes via the mobile app.
Installation
7. Does the sensor require specialized software for installation? If yes, describe.
Yes - Requires installation of proprietary mobile app and device pairing via Bluetooth
Installation
8. Does the sensor require specialized training for installation? If yes, describe.
No
Operation
9. Does the sensor require on-going maintenance? If yes, describe.
No
Operation
10. Does the sensor require service contracts for ongoing data access? If yes, describe.
No
Miscellaneous
11. Are there any other notes about the user experience?
N/A