diff --git a/modules/vms/homeassistant-vm-declarative.nix b/modules/vms/homeassistant-vm-declarative.nix
new file mode 100644
index 0000000..0e15f07
--- /dev/null
+++ b/modules/vms/homeassistant-vm-declarative.nix
@@ -0,0 +1,86 @@
+{ config, pkgs, lib, ... }:
+
+let
+  # You would define these variables based on your actual configuration
+  # or pass them in from the homeassistant-vm.nix module if you keep it
+  haosImagePath = "/var/lib/libvirt/images/haos.qcow2";
+  haosMemory = 4096; # MB
+  haosVcpus = 2;
+  haosBridge = "br0";
+in
+{
+  services = {
+    libvirtd = {
+      enable = true;
+      qemu = {
+        enable = true;
+        swtpm.enable = true;
+      };
+    };
+  };
+
+  virtualisation = {
+    libvirt = {
+      qemu = {
+        # This enables the QEMU driver for Libvirt
+        enable = true;
+
+        # Define your Home Assistant VM here
+        machines.homeassistant = {
+          # Enable autostart for this VM
+          autostart = true;
+
+          # Memory in MiB
+          memory = haosMemory;
+
+          # Number of virtual CPUs
+          vcpu = haosVcpus;
+
+          # Disk configuration
+          disks = [
+            {
+              file = haosImagePath;
+              format = "qcow2";
+              # Use virtio for better performance
+              driver = "qemu"; # Or "raw" if not qcow2
+              device = "disk"; # Or "cdrom" for ISO
+              bus = "virtio";
+            }
+          ];
+
+          # Network configuration
+          networks = [
+            {
+              type = "bridge";
+              source = haosBridge;
+              model = "virtio"; # Use virtio for better performance
+            }
+          ];
+
+          # OS type and variant (generic is often fine for appliances)
+          os = {
+            type = "hvm"; # Hardware Virtual Machine
+            variant = "generic";
+          };
+
+          # No graphical output (headless VM)
+          graphics = {
+            type = "none";
+          };
+
+          # Boot from UEFI
+          boot = {
+            uefi = true;
+          };
+
+          # Optional: Console for debugging
+          console = {
+            type = "pty";
+            targetType = "serial";
+            targetPort = 0;
+          };
+        };
+      };
+    };
+  };
+}
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