Pipes can freeze, even in lived-in homes. People sometimes want to vacation during the winter or go out of town for the holidays. This can create a disaster that will be waiting when the family gets home. Frozen pipes can create a water leak, causing thousands of dollars in water damage beyond the broken pipes...
When it comes to your heating or cooling system, proper maintenance is a good way to ensure a long and fully-functioning life for your unit. If you have a Calgary air conditioning unit, it's a good idea to have evaporator coils cleaned at least every three months.