Thermostats · Head to head

Amazon Smart Thermostat vs Cielo Breez Max

Full Smart Thermostats comparison in 2026

Updated October 2026
Data from Amazon and official Cielo site.
2026 verdict
Replacing the handheld remote on a mini-split, the Cielo Breez Max is the thermostat that holds a set point from the wall.
Cielo Breez Max
Winner
Cielo Breez Max
$114.30

Last recorded price

Buy on Amazon USA
It reads temperature and humidity, reaches Alexa, Google Home, SmartThings and Home Assistant, and lists a system health monitor. The Amazon Smart Thermostat is a wired Alexa thermostat with a monochrome display, a trim plate and a C-wire adapter, and it does not sense humidity. Buy the Cielo Breez Max for ductless equipment. Buy the Amazon Smart Thermostat only for a simple central system that will live in Alexa.
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FeatureAmazon Smart ThermostatCielo Breez MaxWinner
Price$120.85$114.30Cielo Breez Max
Rating4.34.6Cielo Breez Max
Included accessoriesTrim PlateNoneAmazon Smart Thermostat
Connectivity2.4 GHz WiFi2.4 GHz WiFi, BluetoothCielo Breez Max
IntegrationsAlexaGoogle Home, Alexa, Samsung SmartThings, Home AssistantCielo Breez Max
SensorsTemperatureTemperature, HumidityCielo Breez Max
System Health MonitorNOYESCielo Breez Max
Warranty1 year1 yearTie
ScreenYESYESTie
Energy SavingsYESYESTie
Voice ControlYESYESTie
SpeakerNONOTie

What the differences mean

Central cable or infrared

The Amazon Smart Thermostat is a wired thermostat for a central system, with a C-wire adapter and a trim plate in the box. The Cielo Breez Max drives a mini-split, window unit or portable AC by infrared and can power from USB or 24 V AC. It does not replace a furnace thermostat, and the Amazon unit does not learn an AC remote.

What they can sense

The Cielo Breez Max wins the sensor comparison with temperature and humidity, and it lists a system health monitor. The Amazon Smart Thermostat senses temperature only. It has no humidity, occupancy, air quality or alerts, and no system health monitor. Neither supports an external temperature sensor.

Which assistants answer

The Amazon Smart Thermostat lists Alexa only. Google Home, Apple Home, SmartThings and Matter are not supported, and Home Assistant is not documented. The Cielo Breez Max lists Alexa, Google Home, SmartThings and Home Assistant, which is the integrations win, and it does not support Apple Home or Matter. Both use 2.4 GHz Wi-Fi. The Cielo also has Bluetooth.

The display

The Amazon Smart Thermostat has a monochrome LED display that is not a touchscreen and does not show time or weather. The Cielo Breez Max has a touch LCD that is not a color screen. Its size is not documented. It shows temperature. It does not show weather. Warranty is 1 year on both.

Which one to buy if

Winner
Cielo

Cielo Breez Max

Prime exclusive deal
$114.30

Last recorded price

Buy on Amazon USA
  • + Price: $114.30
  • + Rating: 4.6
  • + Connectivity: 2.4 GHz WiFi, Bluetooth
  • - Included accessories: None vs Trim Plate

What owners say

Owners of the Cielo Breez Max describe a few minutes from unboxing to a thermostat, because auto detection reads the existing handset against a large database of air conditioner models, with the app walking the rest. They single out Comfy mode holding a set point instead of letting the mini-split overcool the room, and they mention support when detection misses and the model has to be picked by hand. The complaints all trace to infrared: the unit has to face the indoor head from a short distance, a press on the original remote leaves the app showing the wrong state, and the built-in sensor can read a degree or two off the room until it is 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.

  • Amazon Smart Thermostat
  • Cielo Breez Max

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Frequently Asked Questions

Which should you buy, the Amazon Smart Thermostat or the Cielo Breez Max?

The Cielo Breez Max, unless the equipment is a conventional central system you only want in Alexa. It wins on radios, platforms, humidity sensing and a system health monitor. The Amazon Smart Thermostat is the wired Alexa thermostat with a trim plate and no humidity sensor.

What is the biggest difference between the Amazon Smart Thermostat and the Cielo Breez Max?

The Amazon Smart Thermostat wires into central HVAC and speaks Alexa. The Cielo Breez Max controls a mini-split or window unit by infrared and also speaks Google Home, SmartThings and Home Assistant.

Can the Amazon Smart Thermostat control a mini-split the way the Cielo Breez Max can?

No. The Amazon Smart Thermostat has no infrared blaster. The Cielo Breez Max is the one built to face an indoor unit and mimic its remote. It is the wrong tool for a standard thermostat cable.

Does the Cielo Breez Max work with Alexa and Google Home?

Yes. The Cielo Breez Max lists Alexa, Google Home, SmartThings and Home Assistant. It does not support Apple Home or Matter. The Amazon Smart Thermostat lists Alexa only. Google Home, Apple Home, SmartThings and Matter are not supported, and Home Assistant is not documented.

Who should buy the Cielo Breez Max?

Anyone with a ductless mini-split, window unit or portable AC who wants a wall set point, humidity, schedules and voice without a subscription. Keep it in line of sight of the indoor unit.

Who should buy the Amazon Smart Thermostat?

An Alexa household replacing a basic central thermostat, where one wall sensor is enough and no other platform has to join. It includes a C-wire adapter and a trim plate, and it will not balance other rooms.

Full comparison table

Compare all 23 Thermostats side by side

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  • 51 specs compared
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