diff --git a/RhSolutions.Tests/CanReadProducts.cs b/RhSolutions.Tests/CanReadProducts.cs
new file mode 100644
index 0000000..e9be68c
--- /dev/null
+++ b/RhSolutions.Tests/CanReadProducts.cs
@@ -0,0 +1,63 @@
+using Microsoft.Extensions.DependencyInjection;
+using RhSolutions.AddIn;
+
+namespace RhSolutions.Tests;
+
+[ExcelTestSettings(OutOfProcess = true)]
+public class CanReadProducts : IDisposable
+{
+    private RhSolutionsAddIn _addIn;
+    private IExcelReader _reader;
+    private Workbook _testWorkbook;
+
+    public CanReadProducts()
+    {
+        _addIn = new();
+        _testWorkbook = Util.Application.Workbooks.Add();
+        _addIn.AutoOpen();
+        _reader = RhSolutionsAddIn.ServiceProvider.GetRequiredService<IExcelReader>();
+    }
+
+    [ExcelFact]
+    public void CanReadRange()
+    {
+        Worksheet worksheet = _testWorkbook.Sheets[1];
+        worksheet.Range["A1"].Value = "11600011001";
+        worksheet.Range["A2"].Value = "11600011001";
+        worksheet.Range["A3"].Value = "160002-001";
+        worksheet.Range["A4"].Value = "Fuzz";
+        worksheet.Range["B1"].Value = 10;
+        worksheet.Range["B2"].Value = 10;
+        worksheet.Range["B3"].Value = 5;
+        worksheet.Range["B5"].Value = 1000_000;
+        worksheet.Range["A6"].Value = "111111-111";
+        worksheet.Range["B6"].Value = 100;
+
+        Range testRange = worksheet.Range["A1:B6"];
+
+        var products = _reader.ReadProducts(testRange);
+
+        Assert.NotNull(products);
+        Assert.NotEmpty(products);
+        Assert.Equal("11600011001", products.First().Key.ProductSku);
+        Assert.Equal(20.0, products.First().Value);
+        Assert.Equal(125.0, products.Sum(p => p.Value));
+        Assert.Equal(3, products.Count());
+    }
+
+    [ExcelFact(Workbook = @"TestWorkbooks\Specifications\HeatingFloor.xlsx")]
+    public void CanReadWorkbook()
+    {
+        Worksheet worksheet = Util.Workbook.Worksheets[1];
+        var products = _reader.ReadProducts(new[] { worksheet });
+
+        Assert.NotNull(products);
+        Assert.NotEmpty(products);
+    }
+
+    public void Dispose()
+    {
+        _addIn.AutoClose();
+        Util.Application.ActiveWindow.Close(SaveChanges: false);
+    }
+}
\ No newline at end of file
diff --git a/RhSolutions.Tests/RhSolutions.Tests.csproj b/RhSolutions.Tests/RhSolutions.Tests.csproj
index 9410802..63b9ae5 100644
--- a/RhSolutions.Tests/RhSolutions.Tests.csproj
+++ b/RhSolutions.Tests/RhSolutions.Tests.csproj
@@ -27,6 +27,9 @@
 	  <None Update="TestWorkbooks\ExcelTableTest.xlsx">
 	    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
 	  </None>
+	  <None Update="TestWorkbooks\Specifications\HeatingFloor.xlsx">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </None>
 	</ItemGroup>
 
 </Project>
diff --git a/RhSolutions.Tests/TestWorkbooks/Specifications/HeatingFloor.xlsx b/RhSolutions.Tests/TestWorkbooks/Specifications/HeatingFloor.xlsx
new file mode 100644
index 0000000..f0b76f3
Binary files /dev/null and b/RhSolutions.Tests/TestWorkbooks/Specifications/HeatingFloor.xlsx differ
diff --git a/RhSolutions.Tests/WorkbookValidationTests.cs b/RhSolutions.Tests/WorkbookValidationTests.cs
index aec7139..ca00a18 100644
--- a/RhSolutions.Tests/WorkbookValidationTests.cs
+++ b/RhSolutions.Tests/WorkbookValidationTests.cs
@@ -1,10 +1,17 @@
-namespace RhSolutions.Tests;
+using RhSolutions.AddIn;
+using RhSolutions.Tools;
+
+namespace RhSolutions.Tests;
 
 [ExcelTestSettings(OutOfProcess = true)]
 public class WorkbookValidationTests : IDisposable
 {
+    private readonly RhSolutionsAddIn _addIn;
+
     public WorkbookValidationTests()
     {
+        _addIn = new RhSolutionsAddIn();
+        _addIn.AutoOpen();
         Util.Application.Workbooks.Add();
     }
 
@@ -12,18 +19,19 @@ public class WorkbookValidationTests : IDisposable
     public void WorksheetIsCorrect()
     {
         Worksheet worksheet = Util.Workbook.Sheets[1];
-        Assert.True(worksheet.IsRehauSource());
+        Assert.True(worksheet.IsValidSource());
     }
 
     [ExcelFact(Workbook = @"TestWorkbooks\EmptyWorkbook.xlsx")]
     public void EmptyWorkbookIsNotCorrect()
     {
         Worksheet worksheet = Util.Workbook.Sheets[1];
-        Assert.False(worksheet.IsRehauSource());
+        Assert.False(worksheet.IsValidSource());
     }
 
     public void Dispose()
     {
+        _addIn.AutoClose();
         Util.Application.ActiveWindow.Close(SaveChanges: false);
     }
-}
\ No newline at end of file
+}