The Smart Device Compare comparison

Heiman Matter Smoke Detector S1-TM vs X-Sense Wi-Fi Carbon Monoxide Alarm

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Heiman Matter Smoke Detector S1-TM and X-Sense Wi-Fi Carbon Monoxide Alarm

A summary of selected recorded differences between these smoke & co detectors. Check the full specification table below for details and conditions.

Feature differences among your selected devices

Co Alerts (alerts): Heiman Matter Smoke Detector S1-TM — No; X-Sense Wi-Fi Carbon Monoxide Alarm — Yes.
Fire Alerts (alerts): Heiman Matter Smoke Detector S1-TM — Yes (Local 85 dB alarm plus notifications through the Matter controller app); X-Sense Wi-Fi Carbon Monoxide Alarm — No.
2.4 GHz Wi-Fi (connectivity): Heiman Matter Smoke Detector S1-TM — No; X-Sense Wi-Fi Carbon Monoxide Alarm — Yes (IEEE 802.11b/g/n).
Screen (display): Heiman Matter Smoke Detector S1-TM — No; X-Sense Wi-Fi Carbon Monoxide Alarm — Yes.

Specifications to check side by side

Thread (connectivity): Heiman Matter Smoke Detector S1-TM — Thread Border Router required; X-Sense Wi-Fi Carbon Monoxide Alarm — No.
Battery Life (power): Heiman Matter Smoke Detector S1-TM — 3.5 years; X-Sense Wi-Fi Carbon Monoxide Alarm — 1 year.

Information still to confirm

1 of 37 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 · Heiman

Heiman Matter Smoke Detector S1-TM

Last updated October 2026

View full device profile

Option 2 · X-Sense

X-Sense Wi-Fi Carbon Monoxide Alarm

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.

19differences with recorded values for every device

1rows with missing or unspecified information

Consider your setup

Apple Home

Heiman Matter Smoke Detector S1-TMYes
X-Sense Wi-Fi Carbon Monoxide AlarmNo

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

Inspect the specifications

Consider your setup

Matter

Heiman Matter Smoke Detector S1-TMYes
X-Sense Wi-Fi Carbon Monoxide AlarmNo

Confirm the exact device type and the features exposed in your chosen platform. Protocol support does not establish feature parity across apps.

Inspect the specifications

Consider your setup

Battery Life

Heiman Matter Smoke Detector S1-TM3.5 years
X-Sense Wi-Fi Carbon Monoxide Alarm1 year

Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.

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 37 of 37 rows. “Not recorded” does not mean “No”.

Reading layout

Alerts

Air Quality Alerts

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Co Alerts

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: Yes

Fire Alerts

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Local 85 dB alarm plus notifications through the Matter controller app
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Low Battery Alerts

Heiman Matter Smoke Detector S1-TM: Yes
X-Sense Wi-Fi Carbon Monoxide Alarm: Yes

Temperature Alerts

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Connectivity

2.4 GHz Wi-Fi

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: Yes
Catalog note
IEEE 802.11b/g/n

5 GHz Wi-Fi

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Bluetooth

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Other

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Thread

Heiman Matter Smoke Detector S1-TM: Thread Border Router required
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Z Wave

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Zigbee

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Display

Screen

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: Yes

Screen Type

Heiman Matter Smoke Detector S1-TM: Not applicable / unspecified
X-Sense Wi-Fi Carbon Monoxide Alarm: LCD
Catalog note
The large LCD indicates how much carbon monoxide the alarm is detecting, ranging from 30 to 999 ppm.

Features

Automations

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Local Matter automations, no cloud required
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Built In Light

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: Yes

Built In Siren

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
85 dB at 10 ft
X-Sense Wi-Fi Carbon Monoxide Alarm: Yes

Pathlight

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Steam Check

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Dual-beam sensing tells smoke apart from steam and cooking fumes to cut false alarms
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Tests Itself

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Push to test button, and the test can be triggered remotely from Home Assistant
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Integrations

Alexa

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Via Matter
X-Sense Wi-Fi Carbon Monoxide Alarm: No
Catalog note
X-Sense confirms its smoke and CO alarms do not work with Alexa: only the AS05 and AS08 security kits are Alexa compatible, and Alexa's API has no smoke or CO alarm type anyway

Apple Home

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Via Matter
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Google Home

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Via Matter
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Home Assistant

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Via Matter
X-Sense Wi-Fi Carbon Monoxide Alarm: Yes
Catalog note
Community X-Sense integration for Home Assistant (HACS), which lists this model and reads it from the X-Sense cloud account

Matter

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Matter 1.4 over Thread; Heiman holds CSA Matter certificates for its smoke sensors with temperature and humidity reporting
X-Sense Wi-Fi Carbon Monoxide Alarm: No

SmartThings

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Via Matter
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Power

Battery Life

Heiman Matter Smoke Detector S1-TM: 3.5 years
X-Sense Wi-Fi Carbon Monoxide Alarm: 1 year

Battery Type

Heiman Matter Smoke Detector S1-TM: CR123A
X-Sense Wi-Fi Carbon Monoxide Alarm: CR123A

Wired

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Sensors

Air Quality

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Ambient Light

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: Yes

Humidity

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Built-in humidity sensor reported over Matter
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Motion

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Occupancy

Heiman Matter Smoke Detector S1-TM: No
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Smoke

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Dual-beam photoelectric sensor, UL 217 10th Edition certified
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Temperature

Heiman Matter Smoke Detector S1-TM: Yes
Catalog note
Built-in temperature sensor reported over Matter
X-Sense Wi-Fi Carbon Monoxide Alarm: No

Specifications for Heiman Matter Smoke Detector S1-TM versus X-Sense Wi-Fi Carbon Monoxide Alarm
Specification	Heiman Matter Smoke Detector S1-TM	X-Sense Wi-Fi Carbon Monoxide Alarm
Alerts
Air Quality Alerts	No	No
Co Alerts	No	Yes
Fire Alerts	Yes Catalog note Local 85 dB alarm plus notifications through the Matter controller app	No
Low Battery Alerts	Yes	Yes
Temperature Alerts	No	No
Connectivity
2.4 GHz Wi-Fi	No	Yes Catalog note IEEE 802.11b/g/n
5 GHz Wi-Fi	No	No
Bluetooth	No	No
Other	No	No
Thread	Thread Border Router required	No
Z Wave	No	No
Zigbee	No	No
Display
Screen	No	Yes
Screen Type	Not applicable / unspecified	LCD Catalog note The large LCD indicates how much carbon monoxide the alarm is detecting, ranging from 30 to 999 ppm.
Features
Automations	Yes Catalog note Local Matter automations, no cloud required	No
Built In Light	No	Yes
Built In Siren	Yes Catalog note 85 dB at 10 ft	Yes
Pathlight	No	No
Steam Check	Yes Catalog note Dual-beam sensing tells smoke apart from steam and cooking fumes to cut false alarms	No
Tests Itself	Yes Catalog note Push to test button, and the test can be triggered remotely from Home Assistant	No
Integrations
Alexa	Yes Catalog note Via Matter	No Catalog note X-Sense confirms its smoke and CO alarms do not work with Alexa: only the AS05 and AS08 security kits are Alexa compatible, and Alexa's API has no smoke or CO alarm type anyway
Apple Home	Yes Catalog note Via Matter	No
Google Home	Yes Catalog note Via Matter	No
Home Assistant	Yes Catalog note Via Matter	Yes Catalog note Community X-Sense integration for Home Assistant (HACS), which lists this model and reads it from the X-Sense cloud account
Matter	Yes Catalog note Matter 1.4 over Thread; Heiman holds CSA Matter certificates for its smoke sensors with temperature and humidity reporting	No
SmartThings	Yes Catalog note Via Matter	No
Power
Battery Life	3.5 years	1 year
Battery Type	CR123A	CR123A
Wired	No	No
Sensors
Air Quality	No	No
Ambient Light	No	No
Co	No	Yes
Humidity	Yes Catalog note Built-in humidity sensor reported over Matter	No
Motion	No	No
Occupancy	No	No
Smoke	Yes Catalog note Dual-beam photoelectric sensor, UL 217 10th Edition certified	No
Temperature	Yes Catalog note Built-in temperature sensor reported over Matter	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