diff --git a/src/components/ha-form/ha-form-float.ts b/src/components/ha-form/ha-form-float.ts
index ce28ee7cae..5f0ea6d17a 100644
--- a/src/components/ha-form/ha-form-float.ts
+++ b/src/components/ha-form/ha-form-float.ts
@@ -26,6 +26,7 @@ export class HaFormFloat extends LitElement implements HaFormElement {
   protected render(): TemplateResult {
     return html`
       <ha-textfield
+        type="numeric"
         inputMode="decimal"
         .label=${this.label}
         .value=${this.data !== undefined ? this.data : ""}
@@ -55,6 +56,11 @@ export class HaFormFloat extends LitElement implements HaFormElement {
       return;
     }
 
+    // Allow user to start typing a negative value
+    if (rawValue === "-") {
+      return;
+    }
+
     if (rawValue !== "") {
       value = parseFloat(rawValue);
       if (isNaN(value)) {