AirGradient ONE vs Ecobee Smart Thermostat Premium (2026)

Data from Amazon and official AirGradient and Ecobee sites.

2026 verdict

Ecobee Smart Thermostat Premium beats AirGradient ONE in 2026, with its clearest edge on price, warranty, and connectivity.

Winner

Ecobee Smart Thermostat Premium

$149.63$204.9727% OFF

Buy on Amazon USA

It wins the broader comparison through price, warranty, and connectivity, while integrations help confirm the result. Choose AirGradient ONE only if sensors and alerts matter more to you than the broader advantage from Ecobee Smart Thermostat Premium. Overall, Ecobee Smart Thermostat Premium makes more sense for most people.

AirGradient

AirGradient ONE

$230.00

Buy on Official Store

Winner

Ecobee

Ecobee Smart Thermostat Premium

27% OFF

$149.63

$204.97

Buy on Amazon USA

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Feature	AirGradient ONE	Ecobee Smart Thermostat Premium	Winner
Price	$230.00	$149.63	Ecobee Smart Thermostat Premium
Warranty	1 year	3 years	Ecobee Smart Thermostat Premium
Connectivity	2.4 GHz WiFi, Bluetooth	2.4 GHz WiFi, 5 GHz WiFi, Bluetooth	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 ONE
Alerts	Temperature Alerts, Humidity Alerts, Air Quality Alerts	Temperature Alerts, Air Quality Alerts	AirGradient ONE
Weather Resistance	NO	NO	Tie
Screen	YES	YES	Tie

AirGradient

AirGradient ONE

$230.00

Buy on Official Store

+ Sensors: TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity
+ Alerts: Temperature Alerts, Humidity Alerts, Air Quality Alerts
- Price: $230.00 vs $149.63
- Warranty: 1 year vs 3 years

Winner

Ecobee

Ecobee Smart Thermostat Premium

27% OFF

$149.63

$204.97

Buy on Amazon USA

+ Price: $149.63
+ Warranty: 3 years
+ Connectivity: 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
- Sensors: TVOC, CO2, Temperature, Humidity, Occupancy vs TVOC, PM0.3, PM1, PM2.5, PM10, CO2, NOx, Temperature, Humidity
- Alerts: Temperature Alerts, Air Quality Alerts vs Temperature Alerts, Humidity Alerts, Air Quality Alerts

Frequently Asked Questions

Which is better overall: AirGradient ONE 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 ONE and Ecobee Smart Thermostat Premium?

Price is one of the clearest differences: AirGradient ONE lists $230.00, while Ecobee Smart Thermostat Premium lists $149.63.

Which one looks better on price?

AirGradient ONE is listed at $230.00, while Ecobee Smart Thermostat Premium is listed at $149.63. Ecobee Smart Thermostat Premium (better spec).

Who should buy AirGradient ONE?

Choose AirGradient ONE if your priority is sensors and alerts 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 sensors.

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.