The Thermostat cluster (0x0201) is a Matter cluster that Controls heating and cooling systems with setpoints, modes, and schedules for climate control.. It defines 12 commands and 71 attributes and is mandatory for 5 device types.

Last updated 15 Sep 2026

Thermostat 0x0201

Application Cluster

Hvac

Introduced in: Matter 1.0

Devices: 38

Controls heating and cooling systems with setpoints, modes, and schedules for climate control.

Spec History

This cluster's ClusterRevision across the Matter releases it has shipped in. Click a version to inspect the cluster as it existed in that release.

Matter 1.0 rev 5 Matter 1.1 rev 5 Matter 1.2 rev 6 Matter 1.3 rev 6 Matter 1.4 rev 7 Matter 1.5 rev 9 Matter master rev 12

Attributes 71

Commands 12

Features 12

Code	Name	Type	Flags
0x0000	LocalTemperature min -27315 · nullable	temperature
0x0001	OutdoorTemperature min -27315 · nullable	temperature	Optional
0x0002	Occupancy max 0x01	OccupancyBitmap	Optional
0x0003	AbsMinHeatSetpointLimit default 700	temperature	Optional
0x0004	AbsMaxHeatSetpointLimit default 3000	temperature	Optional
0x0005	AbsMinCoolSetpointLimit default 1600	temperature	Optional
0x0006	AbsMaxCoolSetpointLimit default 3200	temperature	Optional
0x0007	PICoolingDemand max 100	int8u	Optional
0x0008	PIHeatingDemand max 100	int8u	Optional
0x0009	HVACSystemTypeConfiguration max 0x3F · default 0x00	HVACSystemTypeBitmap	Writable Optional write: manage
0x0010	LocalTemperatureCalibration min -127 · default 0x00	int8s	Writable Optional write: manage
0x0011	OccupiedCoolingSetpoint min -27315 · default 2600	temperature	Writable Optional
0x0012	OccupiedHeatingSetpoint min -27315 · default 2000	temperature	Writable Optional
0x0013	UnoccupiedCoolingSetpoint min -27315 · default 2600	temperature	Writable Optional
0x0014	UnoccupiedHeatingSetpoint min -27315 · default 2000	temperature	Writable Optional
0x0015	MinHeatSetpointLimit min -27315 · default 700	temperature	Writable Optional write: manage
0x0016	MaxHeatSetpointLimit min -27315 · default 3000	temperature	Writable Optional write: manage
0x0017	MinCoolSetpointLimit min -27315 · default 1600	temperature	Writable Optional write: manage
0x0018	MaxCoolSetpointLimit min -27315 · default 3200	temperature	Writable Optional write: manage
0x0019	MinSetpointDeadBand min 0 · default 20	int8s	Writable Optional write: manage
0x001A	RemoteSensing max 0x7 · default 0	RemoteSensingBitmap	Writable Optional write: manage
0x001B	ControlSequenceOfOperation max 0x5	ControlSequenceOfOperationEnum	Writable write: manage
0x001C	SystemMode max 0x9	SystemModeEnum	Writable write: manage
0x001E	ThermostatRunningMode max 0x4 · default 0	ThermostatRunningModeEnum	Optional
0x0020	StartOfWeek max 0x6	StartOfWeekEnum	Optional
0x0021	NumberOfWeeklyTransitions default 0	int8u	Optional
0x0022	NumberOfDailyTransitions default 0	int8u	Optional
0x0023	TemperatureSetpointHold max 0x1 · default 0	TemperatureSetpointHoldEnum	Writable Optional write: manage
0x0024	TemperatureSetpointHoldDuration 1..1440 · nullable	int16u	Writable Optional write: manage
0x0025	ThermostatProgrammingOperationMode max 0x7 · default 0	ProgrammingOperationModeBitmap	Writable Optional write: manage
0x0029	ThermostatRunningState max 0x7F	RelayStateBitmap	Optional
0x0030	SetpointChangeSource max 0x2 · default 0	SetpointChangeSourceEnum	Optional
0x0031	SetpointChangeAmount nullable	int16s	Optional
0x0032	SetpointChangeSourceTimestamp	epoch_s	Optional
0x0034	OccupiedSetback nullable	int8u	Writable Optional write: manage
0x0035	OccupiedSetbackMin nullable	int8u	Optional
0x0036	OccupiedSetbackMax nullable	int8u	Optional
0x0037	UnoccupiedSetback nullable	int8u	Writable Optional write: manage
0x0038	UnoccupiedSetbackMin nullable	int8u	Optional
0x0039	UnoccupiedSetbackMax nullable	int8u	Optional
0x003A	EmergencyHeatDelta default 0xFF	int8u	Writable Optional write: manage
0x0040	ACType max 0x4 · default 0	ACTypeEnum	Writable Optional write: manage
0x0041	ACCapacity default 0	int16u	Writable Optional write: manage
0x0042	ACRefrigerantType max 0x3 · default 0	ACRefrigerantTypeEnum	Writable Optional write: manage
0x0043	ACCompressorType max 0x3 · default 0	ACCompressorTypeEnum	Writable Optional write: manage
0x0044	ACErrorCode default 0	ACErrorCodeBitmap	Writable Optional write: manage
0x0045	ACLouverPosition max 0x5 · default 0	ACLouverPositionEnum	Writable Optional write: manage
0x0046	ACCoilTemperature min -27315 · nullable	temperature	Optional
0x0047	ACCapacityformat max 0x00 · default 0	ACCapacityFormatEnum	Writable Optional write: manage
0x0048	PresetTypes	array	Optional
0x0049	ScheduleTypes	array	Optional
0x004A	NumberOfPresets min 1	int8u	Optional
0x004B	NumberOfSchedules min 1	int8u	Optional
0x004C	NumberOfScheduleTransitions min 1	int8u	Optional
0x004D	NumberOfScheduleTransitionPerDay 1..254 · nullable	int8u	Optional
0x004E	ActivePresetHandle nullable	octet_string	Optional
0x004F	ActiveScheduleHandle nullable	octet_string	Optional
0x0050	Presets	array	Writable Optional write: manage
0x0051	Schedules	array	Writable Optional write: manage
0x0052	SetpointHoldExpiryTimestamp nullable	epoch_s	Optional
0x0053	MaxThermostatSuggestions min 5	int8u	Optional
0x0054	ThermostatSuggestions	array	Optional
0x0055	CurrentThermostatSuggestion nullable	ThermostatSuggestionStruct	Optional
0x0056	ThermostatSuggestionNotFollowingReason max 0x00FF · nullable	ThermostatSuggestionNotFollowingReasonBitmap	Optional
0x0057	CriticalFreezeProtection default 0	boolean	Optional Provisional
0x0058	CriticalOverheatProtection default 0	boolean	Optional Provisional
0x0059	Sensors	array	Optional Provisional
0x005A	AvailableSensors	array	Writable Optional Provisional write: manage
0x005B	EnabledSensors	array	Writable Optional Provisional write: manage
0x005C	NumberOfSensorScheduleTransitions	int8u	Optional Provisional
0x005D	SensorSchedule	array	Writable Optional Provisional write: manage

Code	Name	Direction	Parameters
0x00	SetpointRaiseLower This command will raise or lower the setpoint based on the provided values.	client→server	`Mode`: SetpointRaiseLowerModeEnum, `Amount`: int8s
0x00	GetWeeklyScheduleResponse Optional This command has the same payload format as the Set Weekly Schedule.	server→client	`NumberOfTransitionsForSequence`: int8u, `DayOfWeekForSequence`: ScheduleDayOfWeekBitmap, `ModeForSequence`: ScheduleModeBitmap, `Transitions`: WeeklyScheduleTransitionStruct
0x01	SetWeeklySchedule Optional invoke: manage This command is used to update the thermostat weekly setpoint schedule from a management system.	client→server	`NumberOfTransitionsForSequence`: int8u, `DayOfWeekForSequence`: ScheduleDayOfWeekBitmap, `ModeForSequence`: ScheduleModeBitmap, `Transitions`: WeeklyScheduleTransitionStruct
0x02	GetWeeklySchedule Optional The Current Weekly Schedule Command is sent from the server in response to the Get Weekly Schedule Command.	client→server	`DaysToReturn`: ScheduleDayOfWeekBitmap, `ModeToReturn`: ScheduleModeBitmap
0x02	AddThermostatSuggestionResponse Optional This command is sent in response to the AddThermostatSuggestion command.	server→client	`UniqueID`: int8u
0x03	ClearWeeklySchedule Optional invoke: manage This command is used to clear the weekly schedule.	client→server	None
0x05	SetActiveScheduleRequest Optional This command will set the active schedule to the provided schedule handle.	client→server	`ScheduleHandle`: octet_string
0x06	SetActivePresetRequest Optional This command will set the active preset to the provided preset handle.	client→server	`PresetHandle`: octet_string
0x07	AddThermostatSuggestion Optional invoke: manage This command will add a new suggestion based on the specified values.	client→server	`PresetHandle`: octet_string, `EffectiveTime`: epoch_s, `ExpirationInMinutes`: int16u
0x08	RemoveThermostatSuggestion Optional invoke: manage This command will remove the specified suggestion.	client→server	`UniqueID`: int8u
0xFD	AtomicResponse Optional Returns the status of an atomic write	server→client	`StatusCode`: status, `AttributeStatus`: AtomicAttributeStatusStruct, `Timeout`: int16u
0xFE	AtomicRequest Optional Begins, Commits or Cancels an atomic write	client→server	`RequestType`: AtomicRequestTypeEnum, `AttributeRequests`: attrib_id, `Timeout`: int16u