From 85dda5b8595da321db7b60434af4fe58b49a26d0 Mon Sep 17 00:00:00 2001
From: Yurii <laxilef@gmail.com>
Date: Mon, 19 Oct 2026 03:07:32 +0300
Subject: [PATCH] fix: enforce minimum heating setpoint during freeze
 protection

---
 src/RegulatorTask.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/RegulatorTask.h b/src/RegulatorTask.h
index 8bd2420..bd7be47 100644
--- a/src/RegulatorTask.h
+++ b/src/RegulatorTask.h
@@ -245,8 +245,11 @@ protected:
     }
 
     // If freezing, set temperature to no lower than low temp provided by freeze protection
-    if (vars.master.heating.freezing && fabsf(settings.heating.freezeProtection.lowTemp - newTemp) < 0.0001f) {
-      newTemp = settings.heating.freezeProtection.lowTemp;
+    if (vars.master.heating.freezing) {
+      newTemp = fmaxf(
+        newTemp,
+        static_cast<float>(settings.heating.freezeProtection.lowTemp)
+      );
     }
 
     return newTemp;