subject: The Importance of Furnace Cleaning [print this page] By now you know how vital it is to keep your furnace clean. A well maintained furnace will keep your house warm and cozy in winters without a hitch. If you are looking for quality furnace cleaning or furnace repair service in Calgary, then consider Knight Plumbing. They are experts when it comes to furnace and heating in Calgary. Apart from furnace cleaning, they also provide emergency plumbing in Calgary, 24/7. They have been helping out homeowners in Calgary for more than three decades. For more information please check out their website online or call them at 403.287.8970.