What CCA class is a new furnace installed into a rental property?

[TurboTaxKim]

When you install a new furnace in a Rental Property, it is added to Class 1 - to the building itself as it is a part that makes up the building. 

Please see the following links for further clarification: 

TurboTax Tip - Rental Property Expenses: Current or Capital?

CRA - Classes of Depreciable Property