Winner
Updated October 2026
Data from the official Airthings and Apollo Automation sites.
2026 verdict
In 2026, the recommendation leans toward Airthings Wave Plus over Apollo MSR-2 with CO2, driven by connectivity, integrations, and alerts.
It has the clearer edge on connectivity, integrations, and alerts, and it stays ahead on its broader overall balance. The only strong reason to choose Apollo MSR-2 with CO2 is if price is more important to you than the overall verdict. That is why the final call still favors Airthings Wave Plus.
Works with
Connectivity
vs
Works with
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | Airthings Wave Plus | Apollo MSR-2 with CO2 | Winner |
|---|---|---|---|
| Price | $249.99 | $56.09 | Apollo MSR-2 with CO2 |
| Connectivity | Bluetooth, Other | 2.4 GHz WiFi | Airthings Wave Plus |
| Integrations | Google Home, Alexa, Home Assistant | Home Assistant | Airthings Wave Plus |
| Alerts | Temperature Alerts, Humidity Alerts, Air Quality Alerts, Low Battery Alerts | Temperature Alerts, Air Quality Alerts | Airthings Wave Plus |
| Weather Resistance | NO | NO | Tie |
| Screen | NO | NO | Tie |
| Sensors | TVOC, CO2, Radon, Temperature, Humidity, Atmospheric Pressure | CO2, Temperature, Atmospheric Pressure, Ambient Light, UV, Occupancy | Tie |
| Local Control | YES | YES | Tie |
Winner
$249.99
- + Connectivity: Bluetooth, Other
- + Integrations: Google Home, Alexa, Home Assistant
- + Alerts: Temperature Alerts, Humidity Alerts, Air Quality Alerts, Low Battery Alerts
- - Price: $249.99 vs $56.09
$56.09
- + Price: $56.09
- - Connectivity: 2.4 GHz WiFi vs Bluetooth, Other
- - Integrations: Home Assistant vs Google Home, Alexa, Home Assistant
Frequently Asked Questions
Which is better overall: Airthings Wave Plus or Apollo MSR-2 with CO2?
Airthings Wave Plus has the stronger overall profile in this comparison, especially for connectivity, integrations, and alerts.
What is the biggest difference between Airthings Wave Plus and Apollo MSR-2 with CO2?
Price is one of the clearest differences: Airthings Wave Plus lists $249.99, while Apollo MSR-2 with CO2 lists $56.09.
Which one looks better on price?
Airthings Wave Plus is listed at $249.99, while Apollo MSR-2 with CO2 is listed at $56.09. Apollo MSR-2 with CO2 (better spec).
Who should buy Airthings Wave Plus?
Choose Airthings Wave Plus if your priority is connectivity and integrations and that matters more than price.
Who should buy Apollo MSR-2 with CO2?
Choose Apollo MSR-2 with CO2 if your priority is price and that matters more than connectivity.
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