Updated October 2026
Data from Amazon and official Cielo and Ecobee sites.
2026 verdict
Feature for feature, the Ecobee Smart Thermostat Essential is the more complete thermostat here, adding Apple HomeKit, a proximity sensor and temperature and security alerts the Cielo Breez Max does not carry.
That said, they solve different problems: the Cielo Breez Max turns a ductless mini-split, window or portable air conditioner's infrared remote into a real schedule, while the Ecobee Smart Thermostat Essential wires directly into central heating and cooling. Within its own lane the Cielo Breez Max is the cheaper, better reviewed device, and it is the only one of the two that reports back on the air conditioner's filter status. Pick the Ecobee Smart Thermostat Essential for a ducted system that wants Apple Home, a proximity sensor and alert coverage, and the Cielo Breez Max for a mini-split, window or portable AC that has no thermostat of its own.
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| Feature | Cielo Breez Max | Ecobee Smart Thermostat Essential | Winner |
|---|---|---|---|
| Price | $114.30 | $139.99 | Cielo Breez Max |
| Rating | 4.6 | 4.2 | Cielo Breez Max |
| Warranty | 1 year | 3 years | Ecobee Smart Thermostat Essential |
| Integrations | Google Home, Alexa, Samsung SmartThings, Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, External Temperature Sensors | Ecobee Smart Thermostat Essential |
| Sensors | Temperature, Humidity | Proximity / Motion, Temperature, Humidity | Ecobee Smart Thermostat Essential |
| Alerts | None | Temperature Alerts, Intrude Alerts | Ecobee Smart Thermostat Essential |
| System Health Monitor | YES | NO | Cielo Breez Max |
| Connectivity | 2.4 GHz WiFi, Bluetooth | 2.4 GHz WiFi, Bluetooth | Tie |
| Screen | YES | YES | Tie |
| Energy Savings | YES | YES | Tie |
| Voice Control | YES | YES | Tie |
| Speaker | NO | NO | Tie |
What the differences mean
What it connects to
The Ecobee Smart Thermostat Essential wires directly into central heating and cooling equipment. The Cielo Breez Max instead reads an air conditioner's infrared remote to schedule a ductless mini-split, window or portable unit.
Apple Home support
The Ecobee Smart Thermostat Essential works natively with Apple HomeKit. The Cielo Breez Max offers only Siri Shortcuts and has no Matter path either.
Room sensing
The Ecobee Smart Thermostat Essential has a proximity sensor that wakes its display and, with SmartSensors sold separately, can track presence room by room. The Cielo Breez Max has no proximity sensor and supports no external sensor at all.
Alerts
The Ecobee Smart Thermostat Essential flags sudden temperature swings and, with an ecobee Smart Security subscription, intrusion. The Cielo Breez Max has no alerts of any kind.
System health monitoring
The Cielo Breez Max tracks the air conditioner's filter status and alerts when it needs cleaning, something the Ecobee Smart Thermostat Essential does not offer.
Warranty
The Ecobee Smart Thermostat Essential carries a 3 year warranty, against 1 year on the Cielo Breez Max.
Which one to buy if
- you're adding a thermostat to a ductless mini-split, window or portable AC
The Cielo Breez Max reads the existing infrared remote; the Ecobee Smart Thermostat Essential has no IR emitter and wires into central HVAC instead.
- your home has central ducted heating and cooling
The Ecobee Smart Thermostat Essential is built and wired for exactly that kind of system.
- you're on Apple Home or want alerts for sudden temperature swings
The Ecobee Smart Thermostat Essential has native HomeKit support and temperature alerts; the Cielo Breez Max has neither.
- you want a heads-up before the air conditioner's filter needs cleaning
The Cielo Breez Max's system health monitor tracks that; the Ecobee Smart Thermostat Essential has no equivalent.
$114.30
- + Price: $114.30
- + Rating: 4.6
- + System Health Monitor: YES
- - Warranty: 1 year vs 3 years
- - Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, External Temperature Sensors
Winner
$139.99
- + Warranty: 3 years
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, External Temperature Sensors
- + Sensors: Proximity / Motion, Temperature, Humidity
- - Price: $139.99 vs $114.30
- - Rating: 4.2 vs 4.6
What owners say
Owners of both describe a fast setup guided step by step by an app, matching wiring or an existing remote in minutes. Ecobee Smart Thermostat Essential owners like the color touchscreen and adding a SmartSensor so the thermostat reacts to whichever room has people in it, while a few report a unit losing reliability after some months and stress checking the wiring first. Cielo Breez Max owners praise support staff for fixing a stubborn remote profile over chat and for retiring the air conditioner's original remote for good, while they warn the thermostat needs line of sight to the indoor unit and that its own sensor can read a couple of degrees off until calibrated.
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Cielo Breez Max
- Ecobee Smart Thermostat Essential
Loading price history...
Frequently Asked Questions
Which is better overall: Cielo Breez Max or Ecobee Smart Thermostat Essential?
For central ducted heating and cooling, the Ecobee Smart Thermostat Essential, for its Apple Home support, proximity sensor and alerts. For a ductless mini-split, window or portable AC, the Cielo Breez Max is the one built for that job.
What is the biggest difference between the Cielo Breez Max and the Ecobee Smart Thermostat Essential?
What each one connects to. The Cielo Breez Max reads an air conditioner's infrared remote, while the Ecobee Smart Thermostat Essential wires directly into central heating and cooling equipment.
Does the Cielo Breez Max work with Apple HomeKit?
No. Cielo offers Siri Shortcuts on Apple devices, but there is no HomeKit profile and no Matter path, unlike the Ecobee Smart Thermostat Essential.
Does the Ecobee Smart Thermostat Essential include a room sensor?
No. It has a built-in proximity sensor, but the ecobee SmartSensors that track presence room by room are sold separately and none ships in the box.
Who should buy the Cielo Breez Max?
Anyone whose heating or cooling comes from a ductless mini-split, window or portable AC with only an infrared remote, who also wants a heads-up on the filter.
Who should buy the Ecobee Smart Thermostat Essential?
A home with central ducted heating and cooling on Apple Home that wants a proximity sensor, temperature and security alerts and a longer warranty.
Full comparison table
Compare all 23 Thermostats side by side
You are looking at two of them. The full table lines up all Thermostats in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 23 Thermostats
- 51 specs compared
- 47 filters
- Cielo
Breez Max
$114.30 
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Honeywell HomeX7S Smart Thermostat
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Smart Thermostat Essential
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Air Quality MonitorsEcobeeSmart Thermostat Premium
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Unavailable
DoorbellsEcobeeSmart Doorbell Camera
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Door & Window SensorsEcobeeSmartSensor for Doors & Windows
4.2(1,288)17% OFF$59.99$49.99
Temperature & Humidity SensorsEcobeeSmartSensor
4.6(8,766)$98.25- ThermostatsEcobee
Smart Thermostat Enhanced
4.4(3,724)8% OFF$199.99$184.96 - ThermostatsEcobee
Smart Thermostat Essential
4.2(1,901)$139.99 - ThermostatsEcobee
Smart Thermostat Premium
4.3(4,183)$249.00