Airthings Space Pro vs uHoo Aura: Which Should You Buy?
A spec-by-spec comparison of the Airthings Space Pro ($300) and the uHoo Aura ($330) — accuracy, sensors, connectivity, and which one fits your situation.
Quick Verdict
The Airthings Space Pro is $30 cheaper; the uHoo Aura tracks more parameters (9 vs 8).
Choose the Airthings Space Pro if you want to spend less.
Choose the uHoo Aura if you want the fuller picture (CO2, Temperature, Humidity, VOC, PM2.5, Ozone, NO2, Formaldehyde, Atmospheric Pressure).
Specs Side by Side
| Feature | Airthings Space Pro | uHoo Aura |
|---|---|---|
| Price | $300 | $330 |
| Sensors | CO2, Temperature, Humidity, VOC, PM2.5, Atmospheric Pressure, Light, Noise | CO2, Temperature, Humidity, VOC, PM2.5, Ozone, NO2, Formaldehyde, Atmospheric Pressure |
| Sensor Type | NDIR | NDIR |
| CO2 Accuracy | ±50 ppm | ±50 ppm |
| CO2 Range | 400-5000 ppm | 400-10000 ppm |
| Connectivity | WiFi | WiFi |
| Display | No | No |
| Portable | No | No |
| Battery Life | USB powered | USB powered |
Green highlights the stronger spec where there is a clear winner.
Frequently Asked Questions
Which is better, the Airthings Space Pro or the uHoo Aura?+
The Airthings Space Pro is $30 cheaper; the uHoo Aura tracks more parameters (9 vs 8). Choose the Airthings Space Pro if you want to spend less. Choose the uHoo Aura if you want the fuller picture (CO2, Temperature, Humidity, VOC, PM2.5, Ozone, NO2, Formaldehyde, Atmospheric Pressure).
Is the Airthings Space Pro or uHoo Aura cheaper?+
The Airthings Space Pro is the more affordable option at $300, versus $330 for the uHoo Aura.
Do both use real CO2 sensors?+
The Airthings Space Pro uses a NDIR sensor; the uHoo Aura uses a NDIR sensor. NDIR and photoacoustic sensors measure CO2 directly, unlike eCO2 estimators.
Which measures more air quality parameters?+
The uHoo Aura tracks more, with 9 parameters (CO2, Temperature, Humidity, VOC, PM2.5, Ozone, NO2, Formaldehyde, Atmospheric Pressure), compared with 8 for the Airthings Space Pro.
Neither One Quite Right? Consider These
Other monitors in the same class, ranked on sensor accuracy first.
Aranet Aranet4 Home
$200NDIR sensor · ±50 ppm · Built-in display
Research-grade ±50 ppm accuracy and runs 2+ years on a charge.
AirGradient ONE
$150NDIR sensor · ±50 ppm · Built-in display
Research-grade ±50 ppm accuracy and tracks 6 metrics in one unit.
Airthings View Plus
$300NDIR sensor · ±50 ppm · Built-in display
Research-grade ±50 ppm accuracy and tracks 7 metrics in one unit.
Browse the full monitor directory →
Prices are typical street prices and change often. We earn a commission on purchases made through these links, at no extra cost to you.
More Comparisons
Our content includes affiliate links, meaning we may earn a commission if you purchase through these links, at no additional cost to you. As an Amazon Associate we earn from qualifying purchases. This does not influence our comparisons.