diff --git a/backend/Api/BusinessLogic/DeviceLogic.cs b/backend/Api/BusinessLogic/DeviceLogic.cs
index dc55b6c..da5e867 100644
--- a/backend/Api/BusinessLogic/DeviceLogic.cs
+++ b/backend/Api/BusinessLogic/DeviceLogic.cs
@@ -76,19 +76,9 @@ namespace Api.BusinessLogic
 
             if (device == null) { return new ConflictObjectResult(new { message = "Could not find device" }); }
 
-            var logs = await _dbAccess.ReadLogs(deviceId);
+            var logs = await _dbAccess.ReadLogs(deviceId, dateTimeRange);
 
-            if (logs.Count == 0) { return new ConflictObjectResult(new { message = "Could not find any logs connected to the device" }); }
-
-            if (dateTimeRange.DateTimeStart == dateTimeRange.DateTimeEnd) { return new OkObjectResult(logs); }
-
-            List<TemperatureLogs> rangedLogs = new List<TemperatureLogs>();
-            foreach (var log in logs)
-            {
-                if (log.Date >= dateTimeRange.DateTimeStart && log.Date <= dateTimeRange.DateTimeEnd) { rangedLogs.Add(log); }
-            }
-
-            return new OkObjectResult(rangedLogs);
+            return new OkObjectResult(logs);
         }
 
         /// <summary>
diff --git a/backend/Api/DBAccess/DBAccess.cs b/backend/Api/DBAccess/DBAccess.cs
index 6885970..3e9dd6a 100644
--- a/backend/Api/DBAccess/DBAccess.cs
+++ b/backend/Api/DBAccess/DBAccess.cs
@@ -311,16 +311,15 @@ namespace Api.DBAccess
         /// Returns the logs from the device
         /// </summary>
         /// <param name="deviceId">Has the id for the device that the los belong too</param>
+        /// <param name="range">Return only logs within the specified datetime range</param>
         /// <returns></returns>
-        public async Task<List<TemperatureLogs>> ReadLogs(int deviceId)
+        public async Task<List<TemperatureLogs>> ReadLogs(int deviceId, DateTimeRange range)
         {
-            var device = await _context.Devices.Include(d => d.Logs).FirstOrDefaultAsync(d => d.Id == deviceId);
-
-            if (device == null || device.Logs == null) { return new List<TemperatureLogs>(); }
-
-            var logs = device.Logs;
-
-            return logs;
+            return _context.TemperatureLogs
+                .Where(log => log.DeviceId == deviceId)
+                .Where(log => log.Date > range.DateTimeStart)
+                .Where(log => log.Date < range.DateTimeEnd)
+                .ToList();
         }
 
         /// <summary>
diff --git a/backend/Api/DBAccess/DBContext.cs b/backend/Api/DBAccess/DBContext.cs
index 7f66cdb..df6600e 100644
--- a/backend/Api/DBAccess/DBContext.cs
+++ b/backend/Api/DBAccess/DBContext.cs
@@ -1,4 +1,5 @@
 using Microsoft.EntityFrameworkCore;
+using Api.Models;
 using Api.Models.Users;
 using Api.Models.Devices;
 
@@ -10,6 +11,8 @@ namespace Api
 
         public DbSet<Device> Devices { get; set; }
 
+        public DbSet<TemperatureLogs> TemperatureLogs { get; set; }
+
         public DBContext(DbContextOptions<DBContext> options) : base(options) { }
     }
 }
diff --git a/backend/Api/Migrations/20250402113522_ChangeModelsNamespace.Designer.cs b/backend/Api/Migrations/20250402113522_ChangeModelsNamespace.Designer.cs
new file mode 100644
index 0000000..1000ce4
--- /dev/null
+++ b/backend/Api/Migrations/20250402113522_ChangeModelsNamespace.Designer.cs
@@ -0,0 +1,140 @@
+// <auto-generated />
+using System;
+using Api;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace Api.Migrations
+{
+    [DbContext(typeof(DBContext))]
+    [Migration("20250402113522_ChangeModelsNamespace")]
+    partial class ChangeModelsNamespace
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "9.0.3");
+
+            modelBuilder.Entity("Api.Models.Devices.Device", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("ReferenceId")
+                        .HasColumnType("TEXT");
+
+                    b.Property<double>("TempHigh")
+                        .HasColumnType("REAL");
+
+                    b.Property<double>("TempLow")
+                        .HasColumnType("REAL");
+
+                    b.Property<int?>("UserId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Devices");
+                });
+
+            modelBuilder.Entity("Api.Models.TemperatureLogs", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("DeviceId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<double>("TempHigh")
+                        .HasColumnType("REAL");
+
+                    b.Property<double>("TempLow")
+                        .HasColumnType("REAL");
+
+                    b.Property<double>("Temperature")
+                        .HasColumnType("REAL");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DeviceId");
+
+                    b.ToTable("TemperatureLogs");
+                });
+
+            modelBuilder.Entity("Api.Models.Users.User", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("RefreshToken")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("RefreshTokenExpiresAt")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Salt")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("UserName")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("Api.Models.Devices.Device", b =>
+                {
+                    b.HasOne("Api.Models.Users.User", null)
+                        .WithMany("Devices")
+                        .HasForeignKey("UserId");
+                });
+
+            modelBuilder.Entity("Api.Models.TemperatureLogs", b =>
+                {
+                    b.HasOne("Api.Models.Devices.Device", null)
+                        .WithMany("Logs")
+                        .HasForeignKey("DeviceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Api.Models.Devices.Device", b =>
+                {
+                    b.Navigation("Logs");
+                });
+
+            modelBuilder.Entity("Api.Models.Users.User", b =>
+                {
+                    b.Navigation("Devices");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/backend/Api/Migrations/20250402113522_ChangeModelsNamespace.cs b/backend/Api/Migrations/20250402113522_ChangeModelsNamespace.cs
new file mode 100644
index 0000000..671a740
--- /dev/null
+++ b/backend/Api/Migrations/20250402113522_ChangeModelsNamespace.cs
@@ -0,0 +1,59 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Api.Migrations
+{
+    /// <inheritdoc />
+    public partial class ChangeModelsNamespace : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_TemperatureLogs_Devices_DeviceId",
+                table: "TemperatureLogs");
+
+            migrationBuilder.AlterColumn<int>(
+                name: "DeviceId",
+                table: "TemperatureLogs",
+                type: "INTEGER",
+                nullable: false,
+                defaultValue: 0,
+                oldClrType: typeof(int),
+                oldType: "INTEGER",
+                oldNullable: true);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_TemperatureLogs_Devices_DeviceId",
+                table: "TemperatureLogs",
+                column: "DeviceId",
+                principalTable: "Devices",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_TemperatureLogs_Devices_DeviceId",
+                table: "TemperatureLogs");
+
+            migrationBuilder.AlterColumn<int>(
+                name: "DeviceId",
+                table: "TemperatureLogs",
+                type: "INTEGER",
+                nullable: true,
+                oldClrType: typeof(int),
+                oldType: "INTEGER");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_TemperatureLogs_Devices_DeviceId",
+                table: "TemperatureLogs",
+                column: "DeviceId",
+                principalTable: "Devices",
+                principalColumn: "Id");
+        }
+    }
+}
diff --git a/backend/Api/Migrations/DBContextModelSnapshot.cs b/backend/Api/Migrations/DBContextModelSnapshot.cs
index 6d96bdd..ebab47a 100644
--- a/backend/Api/Migrations/DBContextModelSnapshot.cs
+++ b/backend/Api/Migrations/DBContextModelSnapshot.cs
@@ -17,7 +17,7 @@ namespace Api.Migrations
 #pragma warning disable 612, 618
             modelBuilder.HasAnnotation("ProductVersion", "9.0.3");
 
-            modelBuilder.Entity("Api.Models.Device", b =>
+            modelBuilder.Entity("Api.Models.Devices.Device", b =>
                 {
                     b.Property<int>("Id")
                         .ValueGeneratedOnAdd()
@@ -55,7 +55,7 @@ namespace Api.Migrations
                     b.Property<DateTime>("Date")
                         .HasColumnType("TEXT");
 
-                    b.Property<int?>("DeviceId")
+                    b.Property<int>("DeviceId")
                         .HasColumnType("INTEGER");
 
                     b.Property<double>("TempHigh")
@@ -74,7 +74,7 @@ namespace Api.Migrations
                     b.ToTable("TemperatureLogs");
                 });
 
-            modelBuilder.Entity("Api.Models.User", b =>
+            modelBuilder.Entity("Api.Models.Users.User", b =>
                 {
                     b.Property<int>("Id")
                         .ValueGeneratedOnAdd()
@@ -106,26 +106,28 @@ namespace Api.Migrations
                     b.ToTable("Users");
                 });
 
-            modelBuilder.Entity("Api.Models.Device", b =>
+            modelBuilder.Entity("Api.Models.Devices.Device", b =>
                 {
-                    b.HasOne("Api.Models.User", null)
+                    b.HasOne("Api.Models.Users.User", null)
                         .WithMany("Devices")
                         .HasForeignKey("UserId");
                 });
 
             modelBuilder.Entity("Api.Models.TemperatureLogs", b =>
                 {
-                    b.HasOne("Api.Models.Device", null)
+                    b.HasOne("Api.Models.Devices.Device", null)
                         .WithMany("Logs")
-                        .HasForeignKey("DeviceId");
+                        .HasForeignKey("DeviceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
                 });
 
-            modelBuilder.Entity("Api.Models.Device", b =>
+            modelBuilder.Entity("Api.Models.Devices.Device", b =>
                 {
                     b.Navigation("Logs");
                 });
 
-            modelBuilder.Entity("Api.Models.User", b =>
+            modelBuilder.Entity("Api.Models.Users.User", b =>
                 {
                     b.Navigation("Devices");
                 });
diff --git a/backend/Api/Models/TemperatureLogs.cs b/backend/Api/Models/TemperatureLogs.cs
index 16911a2..9216987 100644
--- a/backend/Api/Models/TemperatureLogs.cs
+++ b/backend/Api/Models/TemperatureLogs.cs
@@ -4,6 +4,8 @@
     {
         public int Id { get; set; }
 
+        public int DeviceId { get; set; }
+
         public double Temperature { get; set; }
 
         public DateTime Date { get; set; }