With winter coming to an end, you should take the time out to give your furnace a once-over. Depending on what you might find, you could be forced to make repairs. If you do, these are some of the common ones you might face. Five Of The Most Common Furnace Repairs In Calgary Clogged Or Dirty Filters Perhaps one of the most common reasons why furnaces don’t work as well as they should. Clogged or dirty filters block heat coming out, meaning you are wasting energy without any output. You can easily prevent this by getting furnace duct cleaning regularly.…