The best things YOU can do for your unit this season. Number 1: Maintenance service. They will be your best friend and here at Marathon we encourage at minimum 2 maintenances per year. One maintenance done before the heat and another done before the cold season. It's the best way to ensure your unit is working harmoniously. Number 2: Replacing filters is a good habit. This tip ultimately depends on usage of the system the more you use it, th e more you'll have to replace filt

The best things YOU can do for your furnace this season. Number 1: Maintenance service. They will be your best friend and here at Marathon we encourage at minimum 2 maintenances per year. One maintenance done before the heat and another done before the cold season. It's the best way to ensure your unit is working harmoniously. Number 2: Have your furnace safety checked for carbon monoxide leaks. The key word is declutter. Ensure that nothing is blocking your vent pipe. Number