diff --git a/Content.Client/Atmos/UI/GasThermomachineBoundUserInterface.cs b/Content.Client/Atmos/UI/GasThermomachineBoundUserInterface.cs
new file mode 100644
index 0000000000..eb809e6f7c
--- /dev/null
+++ b/Content.Client/Atmos/UI/GasThermomachineBoundUserInterface.cs
@@ -0,0 +1,92 @@
+using Content.Shared.Atmos;
+using Content.Shared.Atmos.Piping.Binary.Components;
+using Content.Shared.Atmos.Piping.Unary.Components;
+using JetBrains.Annotations;
+using Robust.Client.GameObjects;
+using Robust.Shared.GameObjects;
+
+namespace Content.Client.Atmos.UI
+{
+    /// <summary>
+    /// Initializes a <see cref="GasThermomachineWindow"/> and updates it when new server messages are received.
+    /// </summary>
+    [UsedImplicitly]
+    public sealed class GasThermomachineBoundUserInterface : BoundUserInterface
+    {
+        private GasThermomachineWindow? _window;
+
+        private float _minTemp = 0.0f;
+        private float _maxTemp = 0.0f;
+
+        public GasThermomachineBoundUserInterface(ClientUserInterfaceComponent owner, object uiKey) : base(owner, uiKey)
+        {
+        }
+
+        protected override void Open()
+        {
+            base.Open();
+
+            _window = new GasThermomachineWindow();
+
+            if(State != null)
+                UpdateState(State);
+
+            _window.OpenCentered();
+
+            _window.OnClose += Close;
+
+            _window.ToggleStatusButton.OnPressed += _ => OnToggleStatusButtonPressed();
+            _window.TemperatureSpinbox.OnValueChanged += _ => OnTemperatureChanged(_window.TemperatureSpinbox.Value);
+        }
+
+        private void OnToggleStatusButtonPressed()
+        {
+            if (_window is null) return;
+
+            _window.SetActive(!_window.Active);
+            SendMessage(new GasThermomachineToggleMessage());
+        }
+
+        private void OnTemperatureChanged(float value)
+        {
+            var actual = Math.Clamp(value, _minTemp, _maxTemp);
+            if (!MathHelper.CloseTo(actual, value, 0.09))
+            {
+                _window?.SetTemperature(actual);
+                return;
+            }
+
+            SendMessage(new GasThermomachineChangeTemperatureMessage(actual));
+        }
+
+        /// <summary>
+        /// Update the UI state based on server-sent info
+        /// </summary>
+        /// <param name="state"></param>
+        protected override void UpdateState(BoundUserInterfaceState state)
+        {
+            base.UpdateState(state);
+            if (_window == null || state is not GasThermomachineBoundUserInterfaceState cast)
+                return;
+
+            _minTemp = cast.MinTemperature;
+            _maxTemp = cast.MaxTemperature;
+
+            _window.SetTemperature(cast.Temperature);
+            _window.SetActive(cast.Enabled);
+            _window.Title = cast.Mode switch
+            {
+                ThermoMachineMode.Freezer => Loc.GetString("comp-gas-thermomachine-ui-title-freezer"),
+                ThermoMachineMode.Heater => Loc.GetString("comp-gas-thermomachine-ui-title-heater"),
+                _ => string.Empty
+            };
+        }
+
+        protected override void Dispose(bool disposing)
+        {
+            base.Dispose(disposing);
+            if (!disposing) return;
+            _window?.Dispose();
+        }
+    }
+}
diff --git a/Content.Client/Atmos/UI/GasThermomachineWindow.xaml b/Content.Client/Atmos/UI/GasThermomachineWindow.xaml
new file mode 100644
index 0000000000..65bd918888
--- /dev/null
+++ b/Content.Client/Atmos/UI/GasThermomachineWindow.xaml
@@ -0,0 +1,14 @@
+<DefaultWindow xmlns="https://spacestation14.io"
+               xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+               MinSize="300 120" Title="{Loc comp-gas-thermomachine-ui-title-freezer}">
+    <BoxContainer Name="VboxContainer" Orientation="Vertical" Margin="5 5 5 5" SeparationOverride="10">
+        <BoxContainer Orientation="Horizontal" HorizontalExpand="True">
+            <Label Text="{Loc comp-gas-thermomachine-ui-toggle} "/>
+            <Control MinSize="5 0" />
+            <Button Access="Public" Name="ToggleStatusButton"/>
+        </BoxContainer>
+        <BoxContainer Name="SpinboxHBox" Orientation="Horizontal">
+            <Label Text="{Loc comp-gas-thermomachine-ui-temperature} "/>
+        </BoxContainer>
+    </BoxContainer>
+</DefaultWindow>
diff --git a/Content.Client/Atmos/UI/GasThermomachineWindow.xaml.cs b/Content.Client/Atmos/UI/GasThermomachineWindow.xaml.cs
new file mode 100644
index 0000000000..691d5ea910
--- /dev/null
+++ b/Content.Client/Atmos/UI/GasThermomachineWindow.xaml.cs
@@ -0,0 +1,41 @@
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.CustomControls;
+using Robust.Client.UserInterface.XAML;
+
+namespace Content.Client.Atmos.UI;
+
+[GenerateTypedNameReferences]
+public sealed partial class GasThermomachineWindow : DefaultWindow
+{
+    public bool Active = true;
+
+    public FloatSpinBox TemperatureSpinbox;
+
+    public GasThermomachineWindow()
+    {
+        RobustXamlLoader.Load(this);
+
+        SpinboxHBox.AddChild(
+            TemperatureSpinbox = new FloatSpinBox(.1f, 2) { MaxWidth = 150, HorizontalExpand = true }
+            );
+    }
+
+    public void SetActive(bool active)
+    {
+        Active = active;
+        if (active)
+        {
+            ToggleStatusButton.Text = Loc.GetString("comp-gas-thermomachine-ui-status-enabled");
+        }
+        else
+        {
+            ToggleStatusButton.Text = Loc.GetString("comp-gas-thermomachine-ui-status-disabled");
+        }
+    }
+
+    public void SetTemperature(float temperature)
+    {
+        TemperatureSpinbox.Value = temperature;
+    }
+}
diff --git a/Content.Server/Atmos/Piping/Unary/Components/GasThermoMachineComponent.cs b/Content.Server/Atmos/Piping/Unary/Components/GasThermoMachineComponent.cs
index 0560554dbb..410c8ca7f3 100644
--- a/Content.Server/Atmos/Piping/Unary/Components/GasThermoMachineComponent.cs
+++ b/Content.Server/Atmos/Piping/Unary/Components/GasThermoMachineComponent.cs
@@ -1,4 +1,5 @@
 using Content.Shared.Atmos;
+using Content.Shared.Atmos.Piping.Unary.Components;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Serialization;
 using Robust.Shared.Serialization.Manager.Attributes;
@@ -42,10 +43,4 @@ namespace Content.Server.Atmos.Piping.Unary.Components
             InitialMaxTemperature = MaxTemperature;
         }
     }
-
-    public enum ThermoMachineMode : byte
-    {
-        Freezer = 0,
-        Heater = 1,
-    }
 }
diff --git a/Content.Server/Atmos/Piping/Unary/EntitySystems/GasThermoMachineSystem.cs b/Content.Server/Atmos/Piping/Unary/EntitySystems/GasThermoMachineSystem.cs
index 4b52b6afb8..5c1918f55e 100644
--- a/Content.Server/Atmos/Piping/Unary/EntitySystems/GasThermoMachineSystem.cs
+++ b/Content.Server/Atmos/Piping/Unary/EntitySystems/GasThermoMachineSystem.cs
@@ -6,7 +6,9 @@ using Content.Server.NodeContainer;
 using Content.Server.NodeContainer.Nodes;
 using Content.Shared.Atmos;
 using Content.Shared.Atmos.Piping;
+using Content.Shared.Atmos.Piping.Unary.Components;
 using JetBrains.Annotations;
+using Robust.Server.GameObjects;
 using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 
@@ -16,6 +18,7 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
     public sealed class GasThermoMachineSystem : EntitySystem
     {
         [Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
+        [Dependency] private readonly UserInterfaceSystem _userInterfaceSystem = default!;
 
         public override void Initialize()
         {
@@ -24,6 +27,10 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
             SubscribeLocalEvent<GasThermoMachineComponent, AtmosDeviceUpdateEvent>(OnThermoMachineUpdated);
             SubscribeLocalEvent<GasThermoMachineComponent, AtmosDeviceDisabledEvent>(OnThermoMachineLeaveAtmosphere);
             SubscribeLocalEvent<GasThermoMachineComponent, RefreshPartsEvent>(OnGasThermoRefreshParts);
+
+            // UI events
+            SubscribeLocalEvent<GasThermoMachineComponent, GasThermomachineToggleMessage>(OnToggleMessage);
+            SubscribeLocalEvent<GasThermoMachineComponent, GasThermomachineChangeTemperatureMessage>(OnChangeTemperature);
         }
 
         private void OnThermoMachineUpdated(EntityUid uid, GasThermoMachineComponent thermoMachine, AtmosDeviceUpdateEvent args)
@@ -34,6 +41,7 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
                 || !EntityManager.TryGetComponent(uid, out NodeContainerComponent? nodeContainer)
                 || !nodeContainer.TryGetNode(thermoMachine.InletName, out PipeNode? inlet))
             {
+                DirtyUI(uid, thermoMachine);
                 appearance?.SetData(ThermoMachineVisuals.Enabled, false);
                 return;
             }
@@ -58,6 +66,8 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
             {
                 appearance.SetData(ThermoMachineVisuals.Enabled, false);
             }
+
+            DirtyUI(uid, component);
         }
 
         private void OnGasThermoRefreshParts(EntityUid uid, GasThermoMachineComponent component, RefreshPartsEvent args)
@@ -91,6 +101,32 @@ namespace Content.Server.Atmos.Piping.Unary.EntitySystems
                     component.MinTemperature = MathF.Max(Atmospherics.T0C - component.InitialMinTemperature + laserRating * 15f, Atmospherics.TCMB);
                     break;
             }
+
+            DirtyUI(uid, component);
+        }
+
+        private void OnToggleMessage(EntityUid uid, GasThermoMachineComponent component, GasThermomachineToggleMessage args)
+        {
+            component.Enabled = !component.Enabled;
+
+            DirtyUI(uid, component);
+        }
+
+        private void OnChangeTemperature(EntityUid uid, GasThermoMachineComponent component, GasThermomachineChangeTemperatureMessage args)
+        {
+            component.TargetTemperature =
+                Math.Clamp(args.Temperature, component.MinTemperature, component.MaxTemperature);
+
+            DirtyUI(uid, component);
+        }
+
+        private void DirtyUI(EntityUid uid, GasThermoMachineComponent? thermo, ServerUserInterfaceComponent? ui=null)
+        {
+            if (!Resolve(uid, ref thermo, ref ui, false))
+                return;
+
+            _userInterfaceSystem.TrySetUiState(uid, ThermomachineUiKey.Key,
+                new GasThermomachineBoundUserInterfaceState(thermo.MinTemperature, thermo.MaxTemperature, thermo.TargetTemperature, thermo.Enabled, thermo.Mode), null, ui);
         }
     }
 }
diff --git a/Content.Shared/Atmos/Piping/Unary/Components/SharedGasThermomachineComponent.cs b/Content.Shared/Atmos/Piping/Unary/Components/SharedGasThermomachineComponent.cs
new file mode 100644
index 0000000000..d48a113f39
--- /dev/null
+++ b/Content.Shared/Atmos/Piping/Unary/Components/SharedGasThermomachineComponent.cs
@@ -0,0 +1,56 @@
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Atmos.Piping.Unary.Components;
+
+[Serializable]
+[NetSerializable]
+public enum ThermomachineUiKey
+{
+    Key
+}
+
+[Serializable]
+[NetSerializable]
+public enum ThermoMachineMode : byte
+{
+    Freezer = 0,
+    Heater = 1,
+}
+
+[Serializable]
+[NetSerializable]
+public sealed class GasThermomachineToggleMessage : BoundUserInterfaceMessage
+{
+}
+
+[Serializable]
+[NetSerializable]
+public sealed class GasThermomachineChangeTemperatureMessage : BoundUserInterfaceMessage
+{
+    public float Temperature { get; }
+
+    public GasThermomachineChangeTemperatureMessage(float temperature)
+    {
+        Temperature = temperature;
+    }
+}
+
+[Serializable]
+[NetSerializable]
+public sealed class GasThermomachineBoundUserInterfaceState : BoundUserInterfaceState
+{
+    public float MinTemperature { get; }
+    public float MaxTemperature { get; }
+    public float Temperature { get; }
+    public bool Enabled { get; }
+    public ThermoMachineMode Mode { get; }
+
+    public GasThermomachineBoundUserInterfaceState(float minTemperature, float maxTemperature, float temperature, bool enabled, ThermoMachineMode mode)
+    {
+        MinTemperature = minTemperature;
+        MaxTemperature = maxTemperature;
+        Temperature = temperature;
+        Enabled = enabled;
+        Mode = mode;
+    }
+}
diff --git a/Resources/Locale/en-US/components/gas-thermomachine-component.ftl b/Resources/Locale/en-US/components/gas-thermomachine-component.ftl
new file mode 100644
index 0000000000..5afd87e988
--- /dev/null
+++ b/Resources/Locale/en-US/components/gas-thermomachine-component.ftl
@@ -0,0 +1,7 @@
+comp-gas-thermomachine-ui-title-freezer = Freezer
+comp-gas-thermomachine-ui-title-heater = Heater
+
+comp-gas-thermomachine-ui-temperature = Temperature (K):
+comp-gas-thermomachine-ui-toggle =  Toggle
+comp-gas-thermomachine-ui-status-disabled = Off
+comp-gas-thermomachine-ui-status-enabled = On
diff --git a/Resources/Prototypes/Entities/Structures/Piping/Atmospherics/unary.yml b/Resources/Prototypes/Entities/Structures/Piping/Atmospherics/unary.yml
index ad975b07f0..09fa30a05b 100644
--- a/Resources/Prototypes/Entities/Structures/Piping/Atmospherics/unary.yml
+++ b/Resources/Prototypes/Entities/Structures/Piping/Atmospherics/unary.yml
@@ -148,6 +148,13 @@
     - type: GasThermoMachine
     - type: AtmosPipeColor
     - type: AtmosDevice
+    - type: UserInterface
+      interfaces:
+      - key: enum.ThermomachineUiKey.Key
+        type: GasThermomachineBoundUserInterface
+    - type: ActivatableUI
+      inHandsOnly: false
+      key: enum.ThermomachineUiKey.Key
     - type: Construction
       graph: Machine
       node: machine