Data from Amazon and official AirGradient and Ecobee sites.
2026 verdict
Ecobee Smart Thermostat Premium wins the 2026 matchup against AirGradient Open Air, mainly on price, warranty, and connectivity.
It wins the broader comparison through price, warranty, and connectivity, while screen and integrations help confirm the result. AirGradient Open Air can still be the right pick, but only if weather resistance, sensors, and alerts outweigh the wider strengths of Ecobee Smart Thermostat Premium. That keeps the verdict firmly in favor of Ecobee Smart Thermostat Premium.
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| Feature | AirGradient Open Air | Ecobee Smart Thermostat Premium | Winner |
|---|---|---|---|
| Price | $190.00 | $149.63 | Ecobee Smart Thermostat Premium |
| Warranty | 1 year | 3 years | Ecobee Smart Thermostat Premium |
| Weather Resistance | YES (Outdoor) | NO | AirGradient Open Air |
| Connectivity | 2.4 GHz WiFi, Bluetooth | 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth | Ecobee Smart Thermostat Premium |
| Screen | NO | YES | Ecobee Smart Thermostat Premium |
| Integrations | Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant | Ecobee Smart Thermostat Premium |
| Sensors | TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity | TVOC, CO2, Temperature, Humidity, Occupancy | AirGradient Open Air |
| Alerts | Temperature Alerts, Humidity Alerts, Air Quality Alerts | Temperature Alerts, Air Quality Alerts | AirGradient Open Air |
- + Weather Resistance: YES (Outdoor)
- + Sensors: TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity
- + Alerts: Temperature Alerts, Humidity Alerts, Air Quality Alerts
- - Price: $190.00 vs $149.63
- - Warranty: 1 year vs 3 years
Winner
27% OFF
$149.63
$204.97
- + Price: $149.63
- + Warranty: 3 years
- + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
- - Weather Resistance: NO vs YES (Outdoor)
- - Sensors: TVOC, CO2, Temperature, Humidity, Occupancy vs TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity
Frequently Asked Questions
Which is better overall: AirGradient Open Air or Ecobee Smart Thermostat Premium?
Ecobee Smart Thermostat Premium has the stronger overall profile in this comparison, especially for price, warranty, and connectivity.
What is the biggest difference between AirGradient Open Air and Ecobee Smart Thermostat Premium?
Price is one of the clearest differences: AirGradient Open Air lists $190.00, while Ecobee Smart Thermostat Premium lists $149.63.
Which one looks better on price?
AirGradient Open Air is listed at $190.00, while Ecobee Smart Thermostat Premium is listed at $149.63. Ecobee Smart Thermostat Premium (better spec).
Who should buy AirGradient Open Air?
Choose AirGradient Open Air if your priority is weather resistance and sensors and that matters more than price.
Who should buy Ecobee Smart Thermostat Premium?
Choose Ecobee Smart Thermostat Premium if your priority is price and warranty and that matters more than weather resistance.
Full comparison table
Compare all 32 Air Quality Monitors side by side
You are looking at two of them. The full table lines up all Air Quality Monitors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 32 Air Quality Monitors
- 54 specs compared
- 50 filters
AranetRadon Plus
$209.00
AranetAranet4 HOME
€199.00
X-SenseXR0A-iR Wi-Fi Radon Detector
20% OFF$99.99$79.99
AranetRadiation
$139.00
AranetRadon One
$179.00
EcobeeSmart Thermostat Premium
27% OFF$204.97$149.63
Airthings325 Corentium Home 2
$179.99
Airthings2950 Wave Radon
$109.05
GoveeSmart Air Quality Monitor CO2 H5140
22% OFF$89.99$69.99
GoveeSmart Air Quality Monitor
$45.99
AmazonSmart Air Quality Monitor
$69.99
AirthingsWave Plus
$249.99
Airthings2989 View Radon
$219.99
SonoffSAWF-08P Air Quality Monitor
$49.90
AirthingsWave Enhance
6% OFF$159.99$149.99
AirthingsView Plus
$329.99
AirthingsWave Mini
$89.99
IQAirAirVisual Pro
$329.99
EveRoom
$109.95
SonoffSAWF-07P Air Quality Monitor
$39.90
- Air Quality MonitorsEcobee
Smart Thermostat Premium
4.5(852)27% OFF$204.97$149.63 
CamerasEcobeeSmartCamera
4.0(1,323)9% OFF$99.99$90.67
DoorbellsEcobeeSmart Doorbell Camera
4.1(1,062)19% OFF$159.99$129.99
Door & Window SensorsEcobeeSmartSensor for Doors & Windows
4.2(1,283)$57.99
Temperature & Humidity SensorsEcobeeSmartSensor
4.6(8,743)$99.99
ThermostatsEcobeeSmart Thermostat Enhanced
4.4(3,699)8% OFF$199.99$184.97
ThermostatsEcobeeSmart Thermostat Essential
4.2(1,854)$139.99
ThermostatsEcobeeSmart Thermostat Premium
4.5(852)27% OFF$204.97$149.63