diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index 40aa8a338bff..03389f7b7d24 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -78,6 +78,18 @@ let
       });
     })
 
+    (self: super: {
+      nettigo-air-monitor = super.nettigo-air-monitor.overridePythonAttrs (oldAttrs: rec {
+        version = "1.1.1";
+        src = fetchFromGitHub {
+          owner = "bieniu";
+          repo = "nettigo-air-monitor";
+          rev = version;
+          sha256 = "sha256-OIB1d6XtstUr5P0q/dmyJS7+UbtkFQIiuSnzwcdP1mE=";
+        };
+      });
+    })
+
     # Pinned due to API changes in pyruckus>0.12
     (self: super: {
       pyruckus = super.pyruckus.overridePythonAttrs (oldAttrs: rec {
@@ -813,8 +825,9 @@ in with py.pkgs; buildPythonApplication rec {
     "tests/auth/mfa_modules/test_notify.py"
     # emulated_hue/test_upnp.py: Tries to establish the public ipv4 address
     "tests/components/emulated_hue/test_upnp.py"
-    # tado/test_climate.py: Tries to connect to my.tado.com
+    # tado/test_{climate,water_heater}.py: Tries to connect to my.tado.com
     "tests/components/tado/test_climate.py"
+    "tests/components/tado/test_water_heater.py"
   ];
 
   disabledTests = [