diff --git a/src/lib/bosch.ts b/src/lib/bosch.ts
index 6f768693ea390..e4a79ade08266 100644
--- a/src/lib/bosch.ts
+++ b/src/lib/bosch.ts
@@ -3552,6 +3552,10 @@ export const boschThermostatExtend = {
                 values: ["idle", "heat", "cool"],
                 configure: {reporting: {min: "MIN", max: "MAX", change: null}},
             },
+            ctrlSeqeOfOper: {
+                values: ["cooling_only", "heating_only"],
+                configure: {reporting: {min: "MIN", max: "MAX", change: null}},
+            },
         });
 
         const exposes: (Expose | DefinitionExposesFunction)[] = thermostat.exposes;
diff --git a/src/lib/modernExtend.ts b/src/lib/modernExtend.ts
index 9b611c6ee39aa..91b9891cece7a 100644
--- a/src/lib/modernExtend.ts
+++ b/src/lib/modernExtend.ts
@@ -3170,6 +3170,19 @@ export interface ThermostatArgs {
     temperatureSetpointHold?: true;
     temperatureSetpointHoldDuration?: true;
     endpoint?: string;
+    ctrlSeqeOfOper?: Omit<
+        ValuesWithModernExtendConfiguration<
+            Array<
+                | "cooling_only"
+                | "cooling_with_reheat"
+                | "heating_only"
+                | "heating_with_reheat"
+                | "cooling_and_heating_4-pipes"
+                | "cooling_and_heating_4-pipes_with_reheat"
+            >
+        >,
+        "fromZigbee"
+    >;
 }
 
 export function thermostat(args: ThermostatArgs): ModernExtend {
@@ -3186,6 +3199,7 @@ export function thermostat(args: ThermostatArgs): ModernExtend {
         temperatureSetpointHold = false,
         temperatureSetpointHoldDuration = false,
         endpoint = undefined,
+        ctrlSeqeOfOper = undefined,
     } = args;
 
     const endpointNames = endpoint ? [endpoint] : undefined;
@@ -3389,6 +3403,23 @@ export function thermostat(args: ThermostatArgs): ModernExtend {
         expose.withEndpoint(endpoint);
     }
 
+    if (ctrlSeqeOfOper) {
+        expose.withControlSequenceOfOperation(ctrlSeqeOfOper.values);
+
+        if (!ctrlSeqeOfOper.toZigbee?.skip) {
+            toZigbee.push(tz.thermostat_control_sequence_of_operation);
+        }
+
+        if (!ctrlSeqeOfOper.configure?.skip) {
+            configure.push(
+                setupConfigureForReporting("hvacThermostat", "ctrlSeqeOfOper", {
+                    config: ctrlSeqeOfOper.configure?.reporting ?? repConfigChange0,
+                    access: ctrlSeqeOfOper.configure?.access ?? ea.STATE_GET,
+                }),
+            );
+        }
+    }
+
     return {exposes, fromZigbee, toZigbee, configure, isModernExtend: true};
 }