The Smart Device Compare comparison

Cielo Breez Max vs Honeywell Home T9 Smart Thermostat

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Cielo Breez Max and Honeywell Home T9 Smart Thermostat

A summary of selected recorded differences between these thermostats. Check the full specification table below for details and conditions.

Feature differences among your selected devices

Bluetooth (connectivity): Cielo Breez Max — Yes (The device carries a Bluetooth indicator on its display and pairs with the phone over Bluetooth during registration, per the Breez Max user manual.); Honeywell Home T9 Smart Thermostat — No.
Color Screen (display): Cielo Breez Max — No (Cielo describes it as a sharp LCD segment display; the full color touchscreen belongs to the Breez Edge Pro.); Honeywell Home T9 Smart Thermostat — Yes (Graphical color touchscreen.).
Display Weather (features): Cielo Breez Max — No (Cielo's own model comparison grants the live weather display to the Breez Edge Pro only.); Honeywell Home T9 Smart Thermostat — Yes.
External Temperature Sensors Selection (features): Cielo Breez Max — No; Honeywell Home T9 Smart Thermostat — Yes (Choose which rooms to prioritise, or let the sensors follow occupancy).

Information still to confirm

3 of 43 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
Check the full table and manufacturer documentation before ruling out a device.

These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.

Compare capabilities, compatibility and setup requirements.

Option 1 · Cielo

Cielo Breez Max

Last updated October 2026

View full device profile

Option 2 · Honeywell Home

Honeywell Home T9 Smart Thermostat

Last updated October 2026

View full device profile

What the catalog tells us

Understand the tradeoffs.

These counts describe the available data, not a quality score. More features do not automatically make a better device.

9differences with recorded values for every device

3rows with missing or unspecified information

Consider your setup

Apple Home

Cielo Breez MaxNo
Honeywell Home T9 Smart ThermostatYes

Confirm which features appear in Apple Home and whether extra hardware or a subscription is needed for your intended use.

Inspect the specifications

Your priorities, side by side

Focus on what changes.

Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.

Differences onlyMy priorities (0)

Showing 43 of 43 rows. “Not recorded” does not mean “No”.

Reading layout

Alerts

Air Quality Alerts

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: No

Fire Alerts

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: No

Intrude Alerts

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: No

Temperature Alerts

Cielo Breez Max: Not recorded
Honeywell Home T9 Smart Thermostat: Yes

Connectivity

2.4 GHz Wi-Fi

Cielo Breez Max: Yes
Catalog note
Radio parameters on the official submittal sheet: 2.412 to 2.484 GHz, IEEE 802.11 b/g/n, WLAN channels 1 to 11.
Honeywell Home T9 Smart Thermostat: Yes

5 GHz Wi-Fi

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: No

Bluetooth

Cielo Breez Max: Yes
Catalog note
The device carries a Bluetooth indicator on its display and pairs with the phone over Bluetooth during registration, per the Breez Max user manual.
Honeywell Home T9 Smart Thermostat: No

Thread

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: No

Z Wave

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: No

Zigbee

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: No

Display

Color Screen

Cielo Breez Max: No
Catalog note
Cielo describes it as a sharp LCD segment display; the full color touchscreen belongs to the Breez Edge Pro.
Honeywell Home T9 Smart Thermostat: Yes
Catalog note
Graphical color touchscreen.

Screen

Cielo Breez Max: Yes
Honeywell Home T9 Smart Thermostat: Yes

Screen Resolution

Cielo Breez Max: Not applicable / unspecified
Honeywell Home T9 Smart Thermostat: Not recorded

Screen Size

Cielo Breez Max: Not recorded
Honeywell Home T9 Smart Thermostat: Not recorded

Screen Type

Cielo Breez Max: LCD
Honeywell Home T9 Smart Thermostat: LCD

Touch Screen

Cielo Breez Max: Yes
Catalog note
The front panel carries touch controls for menu, up, down, power and presets, and the manual works through them by touching and holding combinations.
Honeywell Home T9 Smart Thermostat: Yes

Features

Display Temperature

Cielo Breez Max: Yes
Catalog note
The display shows the set point, the room temperature and the room humidity at once.
Honeywell Home T9 Smart Thermostat: Yes

Display Time

Cielo Breez Max: Yes
Honeywell Home T9 Smart Thermostat: Yes

Display Weather

Cielo Breez Max: No
Catalog note
Cielo's own model comparison grants the live weather display to the Breez Edge Pro only.
Honeywell Home T9 Smart Thermostat: Yes

Energy Savings

Cielo Breez Max: Yes
Catalog note
ENERGY STAR certified, with usage history, temperature range lock and the Comfy Max mode that stops the air conditioner overcooling or overheating the room.
Honeywell Home T9 Smart Thermostat: Yes
Catalog note
ENERGY STAR certified

External Temperature Sensors Selection

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: Yes
Catalog note
Choose which rooms to prioritise, or let the sensors follow occupancy

Speaker

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: No
Catalog note
No built-in speaker or microphone: the official specs and the 36-page user guide list none, and voice control runs through Alexa, Google Assistant or Siri instead.

System Health Monitor

Cielo Breez Max: Yes
Catalog note
AC Filter Status tracks runtime and raises an alert when the air conditioner's filter needs cleaning.
Honeywell Home T9 Smart Thermostat: Yes
Catalog note
Filter change and maintenance reminders

Voice Control

Cielo Breez Max: Yes
Catalog note
Amazon Alexa, Google Assistant and Siri Shortcuts.
Honeywell Home T9 Smart Thermostat: Yes
Catalog note
Voice control through Amazon Alexa, Google Assistant and Apple HomeKit (Siri).

Included Accessories

Temperature Sensor

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: Yes
Catalog note
One Smart Room Sensor included in the box

Trim Plate

Cielo Breez Max: No
Catalog note
The box holds the Breez Max, a backplate, a table stand, mounting screws with drywall anchors, a 5V DC USB adapter with cable and the manual. The backplate is the wall mount, not a cover plate for an older thermostat's footprint.
Honeywell Home T9 Smart Thermostat: No

Integrations

Alexa

Cielo Breez Max: Yes
Catalog note
The official submittal sheet carries the "Just ask Alexa" badge.
Honeywell Home T9 Smart Thermostat: Yes

Apple Home

Cielo Breez Max: No
Catalog note
Cielo supports Siri Shortcuts ("Add to Siri"), which runs app shortcuts rather than exposing the device to the Apple Home app. There is no HomeKit profile and no Matter path, so the thermostat does not appear as an Apple Home accessory.
Honeywell Home T9 Smart Thermostat: Yes

External Temperature Sensors

Cielo Breez Max: No
Catalog note
The built-in sensors are the only ones it reads. Follow Me makes the air conditioner track the Breez Max's own temperature sensor instead of the one inside the indoor unit; Cielo sells no remote sensor for it.
Honeywell Home T9 Smart Thermostat: Yes
Catalog note
Smart Room Sensors with a range of up to 200 ft

Google Home

Cielo Breez Max: Yes
Catalog note
The official submittal sheet carries the "works with Hey Google" badge.
Honeywell Home T9 Smart Thermostat: Yes

Home Assistant

Cielo Breez Max: Yes
Catalog note
The official Home Assistant Cielo Home integration names this exact model in its supported devices list, connecting through the cloud-based Cielo Connect API.
Honeywell Home T9 Smart Thermostat: Yes
Catalog note
Official Home Assistant Honeywell Total Connect Comfort integration, which covers the Wi-Fi thermostats on that account

Matter

Cielo Breez Max: No
Catalog note
No Cielo product appears in the CSA certified-products database, and neither the product page nor the submittal sheet claims Matter.
Honeywell Home T9 Smart Thermostat: No

SmartThings

Cielo Breez Max: Yes
Catalog note
The official submittal sheet carries the "Works with SmartThings" badge.
Honeywell Home T9 Smart Thermostat: Yes

Scheduling

Automatically

Cielo Breez Max: Yes
Catalog note
Comfy Max holds the room at the chosen temperature on its own, and Comfy Mode, geofencing and Freeze Protection each drive the air conditioner without input.
Honeywell Home T9 Smart Thermostat: Yes
Catalog note
Auto Home and Away scheduling with geofencing

Manually

Cielo Breez Max: Yes
Catalog note
Weekly schedules, one-time or repeating, keep running on the device even if the internet connection drops.
Honeywell Home T9 Smart Thermostat: Yes

Suggestions

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: No

Sensors

Ambient Light

Cielo Breez Max: No
Catalog note
The submittal sheet lists only a temperature sensor and a humidity sensor as built in.
Honeywell Home T9 Smart Thermostat: No

CO₂

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: No

Humidity

Cielo Breez Max: Yes
Catalog note
Built-in humidity sensor; room humidity is shown on the device display and in the app.
Honeywell Home T9 Smart Thermostat: Yes

Occupancy

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: Yes

Proximity Motion

Cielo Breez Max: No
Catalog note
Cielo's own model comparison grants the proximity sensor to the Breez Edge Pro only.
Honeywell Home T9 Smart Thermostat: Yes
Catalog note
Smart Room Sensors detect which rooms are occupied

Temperature

Cielo Breez Max: Yes
Catalog note
Built-in temperature sensor, calibratable from the app, with a stated static accuracy of 1.0 F.
Honeywell Home T9 Smart Thermostat: Yes

TVOC

Cielo Breez Max: No
Honeywell Home T9 Smart Thermostat: No

Specifications for Cielo Breez Max versus Honeywell Home T9 Smart Thermostat
Specification	Cielo Breez Max	Honeywell Home T9 Smart Thermostat
Alerts
Air Quality Alerts	No	No
Fire Alerts	No	No
Intrude Alerts	No	No
Temperature Alerts	Not recorded	Yes
Connectivity
2.4 GHz Wi-Fi	Yes Catalog note Radio parameters on the official submittal sheet: 2.412 to 2.484 GHz, IEEE 802.11 b/g/n, WLAN channels 1 to 11.	Yes
5 GHz Wi-Fi	No	No
Bluetooth	Yes Catalog note The device carries a Bluetooth indicator on its display and pairs with the phone over Bluetooth during registration, per the Breez Max user manual.	No
Thread	No	No
Z Wave	No	No
Zigbee	No	No
Display
Color Screen	No Catalog note Cielo describes it as a sharp LCD segment display; the full color touchscreen belongs to the Breez Edge Pro.	Yes Catalog note Graphical color touchscreen.
Screen	Yes	Yes
Screen Resolution	Not applicable / unspecified	Not recorded
Screen Size	Not recorded	Not recorded
Screen Type	LCD	LCD
Touch Screen	Yes Catalog note The front panel carries touch controls for menu, up, down, power and presets, and the manual works through them by touching and holding combinations.	Yes
Features
Display Temperature	Yes Catalog note The display shows the set point, the room temperature and the room humidity at once.	Yes
Display Time	Yes	Yes
Display Weather	No Catalog note Cielo's own model comparison grants the live weather display to the Breez Edge Pro only.	Yes
Energy Savings	Yes Catalog note ENERGY STAR certified, with usage history, temperature range lock and the Comfy Max mode that stops the air conditioner overcooling or overheating the room.	Yes Catalog note ENERGY STAR certified
External Temperature Sensors Selection	No	Yes Catalog note Choose which rooms to prioritise, or let the sensors follow occupancy
Speaker	No	No Catalog note No built-in speaker or microphone: the official specs and the 36-page user guide list none, and voice control runs through Alexa, Google Assistant or Siri instead.
System Health Monitor	Yes Catalog note AC Filter Status tracks runtime and raises an alert when the air conditioner's filter needs cleaning.	Yes Catalog note Filter change and maintenance reminders
Voice Control	Yes Catalog note Amazon Alexa, Google Assistant and Siri Shortcuts.	Yes Catalog note Voice control through Amazon Alexa, Google Assistant and Apple HomeKit (Siri).
Included Accessories
Temperature Sensor	No	Yes Catalog note One Smart Room Sensor included in the box
Trim Plate	No Catalog note The box holds the Breez Max, a backplate, a table stand, mounting screws with drywall anchors, a 5V DC USB adapter with cable and the manual. The backplate is the wall mount, not a cover plate for an older thermostat's footprint.	No
Integrations
Alexa	Yes Catalog note The official submittal sheet carries the "Just ask Alexa" badge.	Yes
Apple Home	No Catalog note Cielo supports Siri Shortcuts ("Add to Siri"), which runs app shortcuts rather than exposing the device to the Apple Home app. There is no HomeKit profile and no Matter path, so the thermostat does not appear as an Apple Home accessory.	Yes
External Temperature Sensors	No Catalog note The built-in sensors are the only ones it reads. Follow Me makes the air conditioner track the Breez Max's own temperature sensor instead of the one inside the indoor unit; Cielo sells no remote sensor for it.	Yes Catalog note Smart Room Sensors with a range of up to 200 ft
Google Home	Yes Catalog note The official submittal sheet carries the "works with Hey Google" badge.	Yes
Home Assistant	Yes Catalog note The official Home Assistant Cielo Home integration names this exact model in its supported devices list, connecting through the cloud-based Cielo Connect API.	Yes Catalog note Official Home Assistant Honeywell Total Connect Comfort integration, which covers the Wi-Fi thermostats on that account
Matter	No Catalog note No Cielo product appears in the CSA certified-products database, and neither the product page nor the submittal sheet claims Matter.	No
SmartThings	Yes Catalog note The official submittal sheet carries the "Works with SmartThings" badge.	Yes
Scheduling
Automatically	Yes Catalog note Comfy Max holds the room at the chosen temperature on its own, and Comfy Mode, geofencing and Freeze Protection each drive the air conditioner without input.	Yes Catalog note Auto Home and Away scheduling with geofencing
Manually	Yes Catalog note Weekly schedules, one-time or repeating, keep running on the device even if the internet connection drops.	Yes
Suggestions	No	No
Sensors
Ambient Light	No Catalog note The submittal sheet lists only a temperature sensor and a humidity sensor as built in.	No
CO₂	No	No
Humidity	Yes Catalog note Built-in humidity sensor; room humidity is shown on the device display and in the app.	Yes
Occupancy	No	Yes
Proximity Motion	No Catalog note Cielo's own model comparison grants the proximity sensor to the Breez Edge Pro only.	Yes Catalog note Smart Room Sensors detect which rooms are occupied
Temperature	Yes Catalog note Built-in temperature sensor, calibratable from the app, with a stated static accuracy of 1.0 F.	Yes
TVOC	No	No

Know what’s behind the comparison.

The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.

Read our comparison methodology