The Lennox Lennox L40 Smart Thermostat is a Matter device (Vendor 0x1356, Product 0x0002) with 2 endpoints.

Lennox L40 Smart Thermostat

(60%)
Vendor ID: 4950
Product ID: 2
Seen: 13 times
Supports Binding â„šī¸ Wifi
CSA Certification:
Certified Sep 24, 2025 CSA2592AMAT47228-24 v04.38.0081

What This Device Can Do

Climate
18% of features
Controls
đŸŒĄī¸ Temperature setpoint v1.0
🌀 Fan speed control v1.1
Sensors
đŸŒĄī¸ Temperature sensor v1.0
💧 Humidity sensor v1.0
Automation & Scenes
đŸŽŦ Scenes & presets v1.3
⏰ Scheduling v1.0
Comfort & Climate
đŸ”Ĩ Heating v1.0
â„ī¸ Cooling v1.0
🔄 Auto heat/cool v1.0
📌 Temperature presets v1.0
💧 Humidity control v1.1
Not available: Humidity sensor, Scheduling

Setup & Reset Info

Setup: Power Cycle Reset: Power Cycle

Technical Details For developers

Device Compatibility

Can provide data to: These devices have client clusters that can read from or control this device's server clusters

Spec Compliance & Feature Analysis

Comparing this device's clusters against Matter specification requirements. Shows what's implemented, what's missing, and bonus features. Note: Legacy clusters (e.g., Scenes) count as compliant when replaced by newer equivalents (Scenes Management).

Thermostat Matter 1.0 Compliant
Feature Score:
60%
2/2 required | 2/7 optional

Endpoints by Version

Hardware: A

SW: 04.38.0087 Latest Seen 2 endpoints

Endpoint 0

Server Clusters (hover for details)✓ Rich data
Descriptor ✓
Descriptor
Features
✗ TagList
Attributes (9)
DeviceTypeList ServerList ClientList PartsList

✓ Actual device capabilities from telemetry

Access Control ✓
Access Control
Features
✗ Extension ✗ ManagedDevice ✗ Auxiliary
Attributes (10)
ACL Extension SubjectsPerAccessControlEntry TargetsPerAccessControlEntry AccessControlEntriesPerFabric

✓ Actual device capabilities from telemetry

Basic Information ✓
Basic Information
Attributes (20)
DataModelRevision VendorName VendorID ProductName ProductID NodeLabel Location HardwareVersion HardwareVersionString SoftwareVersion +5 more

✓ Actual device capabilities from telemetry

Localization Configuration ✓
Localization Configuration
Attributes (7)
ActiveLocale SupportedLocales

✓ Actual device capabilities from telemetry

Time Format Localization ✓
Time Format Localization
Features
✗ CalendarFormat
Attributes (6)
HourFormat

✓ Actual device capabilities from telemetry

General Commissioning ✓
General Commissioning
Features
✗ TermsAndConditions ✗ NetworkRecovery
Accepts Commands (3)
ArmFailSafe SetRegulatoryConfig CommissioningComplete
Generates Commands (3)
ArmFailSafeResponse SetRegulatoryConfigResponse CommissioningCompleteResponse
Attributes (10)
Breadcrumb BasicCommissioningInfo RegulatoryConfig LocationCapability SupportsConcurrentConnection

✓ Actual device capabilities from telemetry

General Diagnostics ✓
General Diagnostics
Features
✗ DataModelTest
Accepts Commands (2)
TestEventTrigger TimeSnapshot
Generates Commands (1)
TimeSnapshotResponse
Attributes (10)
NetworkInterfaces RebootCount UpTime BootReason TestEventTriggersEnabled

✓ Actual device capabilities from telemetry

Wi-Fi Network Diagnostics ✓
Wi-Fi Network Diagnostics
Features
✓ PacketCounts ✓ ErrorCounts
Accepts Commands (1)
ResetCounts
Attributes (18)
BSSID SecurityType WiFiVersion ChannelNumber RSSI BeaconLostCount BeaconRxCount PacketMulticastRxCount PacketMulticastTxCount PacketUnicastRxCount +3 more

✓ Actual device capabilities from telemetry

Administrator Commissioning ✓
Administrator Commissioning
Features
✓ Basic
Accepts Commands (3)
OpenCommissioningWindow OpenBasicCommissioningWindow RevokeCommissioning
Attributes (8)
WindowStatus AdminFabricIndex AdminVendorId

✓ Actual device capabilities from telemetry

Operational Credentials ✓
Operational Credentials
Accepts Commands (8)
AttestationRequest CertificateChainRequest CSRRequest AddNOC UpdateNOC UpdateFabricLabel RemoveFabric AddTrustedRootCertificate
Generates Commands (4)
AttestationResponse CertificateChainResponse CSRResponse NOCResponse
Attributes (11)
NOCs Fabrics SupportedFabrics CommissionedFabrics TrustedRootCertificates CurrentFabricIndex

✓ Actual device capabilities from telemetry

Group Key Management ✓
Group Key Management
Features
✗ CacheAndSync ✗ Groupcast
Accepts Commands (4)
KeySetWrite KeySetRead KeySetRemove KeySetReadAllIndices
Generates Commands (2)
KeySetReadResponse KeySetReadAllIndicesResponse
Attributes (9)
GroupKeyMap GroupTable MaxGroupsPerFabric MaxGroupKeysPerFabric

✓ Actual device capabilities from telemetry

Endpoint 1

Has Binding Cluster
Server Clusters (hover for details)✓ Rich data
Identify ✓
Identify
Accepts Commands (1)
Identify
Attributes (7)
IdentifyTime IdentifyType

✓ Actual device capabilities from telemetry

Groups ✓
Groups
Features
✓ GroupNames
Accepts Commands (6)
AddGroup ViewGroup GetGroupMembership RemoveGroup RemoveAllGroups AddGroupIfIdentifying
Generates Commands (4)
AddGroup ViewGroup GetGroupMembership RemoveGroup
Attributes (6)
NameSupport

✓ Actual device capabilities from telemetry

Descriptor ✓
Descriptor
Features
✗ TagList
Attributes (9)
DeviceTypeList ServerList ClientList PartsList

✓ Actual device capabilities from telemetry

Binding ✓
Binding
Attributes (6)
Binding

✓ Actual device capabilities from telemetry

Fixed Label ✓
Fixed Label
Attributes (6)
LabelList

✓ Actual device capabilities from telemetry

User Label ✓
User Label
Attributes (6)
LabelList

✓ Actual device capabilities from telemetry

Thermostat ✓
Thermostat
Features
✓ Heating ✗ Cooling ✓ Occupancy ✗ ScheduleConfiguration ✗ Setback ✗ AutoMode ✗ LocalTemperatureNotExposed ✗ MatterScheduleConfiguration ✗ Presets ✗ Events ✗ ThermostatSuggestions
Accepts Commands (1)
SetpointRaiseLower
Attributes (23)
LocalTemperature Occupancy AbsMinHeatSetpointLimit AbsMaxHeatSetpointLimit AbsMinCoolSetpointLimit AbsMaxCoolSetpointLimit OccupiedCoolingSetpoint OccupiedHeatingSetpoint UnoccupiedCoolingSetpoint UnoccupiedHeatingSetpoint +8 more

✓ Actual device capabilities from telemetry

Thermostat User Interface Configuration ✓
Thermostat User Interface Configuration
Attributes (7)
TemperatureDisplayMode KeypadLockout

✓ Actual device capabilities from telemetry

Known Versions

Hardware Version Software Version Count First Seen Last Seen
A 04.38.0087 13 2026-05-22 02:38:02 2026-06-11 03:29:34