diff --git a/src/components/data-table/ha-data-table.ts b/src/components/data-table/ha-data-table.ts
index cf8407ed66..015f54130e 100644
--- a/src/components/data-table/ha-data-table.ts
+++ b/src/components/data-table/ha-data-table.ts
@@ -21,7 +21,8 @@ import { nextRender } from "../../common/util/render-status";
 import "../ha-checkbox";
 import type { HaCheckbox } from "../ha-checkbox";
 import "../ha-icon";
-import { filterSortData } from "./sort-filter";
+import { filterData, sortData } from "./sort-filter";
+import memoizeOne from "memoize-one";
 
 declare global {
   // for fire event
@@ -72,6 +73,10 @@ export interface DataTableRowData {
   selectable?: boolean;
 }
 
+export interface SortableColumnContainer {
+  [key: string]: DataTableSortColumnData;
+}
+
 @customElement("ha-data-table")
 export class HaDataTable extends LitElement {
   @property({ type: Object }) public columns: DataTableColumnContainer = {};
@@ -109,9 +114,7 @@ export class HaDataTable extends LitElement {
 
   private _checkedRows: string[] = [];
 
-  private _sortColumns: {
-    [key: string]: DataTableSortColumnData;
-  } = {};
+  private _sortColumns: SortableColumnContainer = {};
 
   private curRequest = 0;
 
@@ -179,7 +182,7 @@ export class HaDataTable extends LitElement {
       properties.has("_sortColumn") ||
       properties.has("_sortDirection")
     ) {
-      this._filterData();
+      this._sortFilterData();
     }
   }
 
@@ -369,20 +372,30 @@ export class HaDataTable extends LitElement {
     `;
   }
 
-  private async _filterData() {
+  private async _sortFilterData() {
     const startTime = new Date().getTime();
     this.curRequest++;
     const curRequest = this.curRequest;
 
-    const filterProm = filterSortData(
-      this.data,
-      this._sortColumns,
-      this._filter,
-      this._sortDirection,
-      this._sortColumn
-    );
+    let filteredData = this.data;
+    if (this._filter) {
+      filteredData = await this._memFilterData(
+        this.data,
+        this._sortColumns,
+        this.filter
+      );
+    }
 
-    const [data] = await Promise.all([filterProm, nextRender]);
+    const prom = this._sortColumn
+      ? sortData(
+          filteredData,
+          this._sortColumns,
+          this._sortDirection,
+          this._sortColumn
+        )
+      : filteredData;
+
+    const [data] = await Promise.all([prom, nextRender]);
 
     const curTime = new Date().getTime();
     const elapsed = curTime - startTime;
@@ -396,6 +409,16 @@ export class HaDataTable extends LitElement {
     this._filteredData = data;
   }
 
+  private _memFilterData = memoizeOne(
+    async (
+      data: DataTableRowData[],
+      columns: SortableColumnContainer,
+      filter: string
+    ): Promise<DataTableRowData[]> => {
+      return filterData(data, columns, filter);
+    }
+  );
+
   private _handleHeaderClick(ev: Event) {
     const columnId = ((ev.target as HTMLElement).closest(
       ".mdc-data-table__header-cell"
diff --git a/src/components/data-table/sort-filter.ts b/src/components/data-table/sort-filter.ts
index 766a167fba..9e89e866df 100644
--- a/src/components/data-table/sort-filter.ts
+++ b/src/components/data-table/sort-filter.ts
@@ -1,26 +1,34 @@
 import { wrap } from "comlink";
 
-type FilterSortDataType = typeof import("./sort_filter_worker").api["filterSortData"];
-type filterSortDataParamTypes = Parameters<FilterSortDataType>;
+type FilterDataType = typeof import("./sort_filter_worker").api["filterData"];
+type FilterDataParamTypes = Parameters<FilterDataType>;
+
+type SortDataType = typeof import("./sort_filter_worker").api["sortData"];
+type SortDataParamTypes = Parameters<SortDataType>;
 
 let worker: any | undefined;
 
-export const filterSortData = async (
-  data: filterSortDataParamTypes[0],
-  columns: filterSortDataParamTypes[1],
-  filter: filterSortDataParamTypes[2],
-  direction: filterSortDataParamTypes[3],
-  sortColumn: filterSortDataParamTypes[4]
-): Promise<ReturnType<FilterSortDataType>> => {
+export const filterData = async (
+  data: FilterDataParamTypes[0],
+  columns: FilterDataParamTypes[1],
+  filter: FilterDataParamTypes[2]
+): Promise<ReturnType<FilterDataType>> => {
   if (!worker) {
     worker = wrap(new Worker("./sort_filter_worker", { type: "module" }));
   }
 
-  return await worker.filterSortData(
-    data,
-    columns,
-    filter,
-    direction,
-    sortColumn
-  );
+  return await worker.filterData(data, columns, filter);
+};
+
+export const sortData = async (
+  data: SortDataParamTypes[0],
+  columns: SortDataParamTypes[1],
+  direction: SortDataParamTypes[2],
+  sortColumn: SortDataParamTypes[3]
+): Promise<ReturnType<SortDataType>> => {
+  if (!worker) {
+    worker = wrap(new Worker("./sort_filter_worker", { type: "module" }));
+  }
+
+  return await worker.sortData(data, columns, direction, sortColumn);
 };
diff --git a/src/components/data-table/sort_filter_worker.ts b/src/components/data-table/sort_filter_worker.ts
index f7b71bdd2c..de3e1c67b2 100644
--- a/src/components/data-table/sort_filter_worker.ts
+++ b/src/components/data-table/sort_filter_worker.ts
@@ -5,33 +5,16 @@ import type {
   DataTableSortColumnData,
   DataTableRowData,
   SortingDirection,
-  HaDataTable,
+  SortableColumnContainer,
 } from "./ha-data-table";
 
-type SortableColumnContainer = HaDataTable["_sortColumns"];
-
-const filterSortData = (
-  data: DataTableRowData[],
-  columns: SortableColumnContainer,
-  filter: string,
-  direction: SortingDirection,
-  sortColumn?: string
-) => {
-  const filteredData = filter ? filterData(data, columns, filter) : data;
-
-  if (!sortColumn) {
-    return filteredData;
-  }
-
-  return sortData(filteredData, columns, direction, sortColumn);
-};
-
 const filterData = (
   data: DataTableRowData[],
   columns: SortableColumnContainer,
   filter: string
-) =>
-  data.filter((row) => {
+) => {
+  filter = filter.toUpperCase();
+  return data.filter((row) => {
     return Object.entries(columns).some((columnEntry) => {
       const [key, column] = columnEntry;
       if (column.filterable) {
@@ -46,6 +29,7 @@ const filterData = (
       return false;
     });
   });
+};
 
 const sortData = (
   data: DataTableRowData[],
@@ -85,7 +69,8 @@ const sortData = (
 
 // Export for types
 export const api = {
-  filterSortData,
+  filterData,
+  sortData,
 };
 
 expose(api);