diff --git a/pkgs/development/python-modules/pyosohotwaterapi/default.nix b/pkgs/development/python-modules/pyosohotwaterapi/default.nix
deleted file mode 100644
index e342f2d8f2fa..000000000000
--- a/pkgs/development/python-modules/pyosohotwaterapi/default.nix
+++ /dev/null
@@ -1,51 +0,0 @@
-{
-  lib,
-  aiohttp,
-  buildPythonPackage,
-  fetchFromGitHub,
-  loguru,
-  numpy,
-  setuptools,
-  unasync,
-  urllib3,
-  writableTmpDirAsHomeHook,
-}:
-
-buildPythonPackage rec {
-  pname = "pyosohotwaterapi";
-  version = "1.2.4";
-  pyproject = true;
-
-  src = fetchFromGitHub {
-    owner = "osohotwateriot";
-    repo = "apyosohotwaterapi";
-    tag = version;
-    hash = "sha256-hpbmiSOLawKVSh7BGV70bRi45HCDKmdxEEhCOdJuIww=";
-  };
-
-  build-system = [
-    setuptools
-    unasync
-    writableTmpDirAsHomeHook
-  ];
-
-  dependencies = [
-    aiohttp
-    loguru
-    numpy
-    urllib3
-  ];
-
-  # Module has no tests
-  doCheck = false;
-
-  pythonImportsCheck = [ "apyosoenergyapi" ];
-
-  meta = {
-    description = "Module for using the OSO Hotwater API";
-    homepage = "https://github.com/osohotwateriot/apyosohotwaterapi";
-    changelog = "https://github.com/osohotwateriot/apyosohotwaterapi/releases/tag/${src.tag}";
-    license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ fab ];
-  };
-}
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index b550b21f511a..18509987d792 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -560,6 +560,7 @@ mapAliases {
   pynslookup = throw "'pynslookup' has been renamed to 'nslookup'"; # Added 2026-08-10
   pyobject = throw "'pyobject' has been removed because it was only supporting python 2"; # Added 2026-01-24
   pyosmium = warnAlias "'pyosmium' has been renamed to 'osmium'" osmium; # Added 2026-07-27
+  pyosohotwaterapi = throw "'pyosohotwaterapi' has been renamed to 'pyosoenergyapi'"; # Added 2026-09-29
   pyownet = throw "pyownet was removed because Home Assistant switched to aio-ownet"; # added 2025-10-31
   pypcap = throw "pypcap has been removed because it is broken and unmaintained upstream."; # added 2025-06-18
   pyqldb = throw "pyqldb has been removed, because the underlying service is reaching end of support"; # added 2025-07-30
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ef18a7b2f4d5..1d034c585528 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -15762,8 +15762,6 @@ self: super: with self; {
 
   pyosoenergyapi = callPackage ../development/python-modules/pyosoenergyapi { };
 
-  pyosohotwaterapi = callPackage ../development/python-modules/pyosohotwaterapi { };
-
   pyotb = callPackage ../development/python-modules/pyotb { };
 
   pyotgw = callPackage ../development/python-modules/pyotgw { };