The simplest maintenance you can perform to keep your furnace running efficiently is to regularly replace the air filter. The air filter in your furnace is responsible for capturing dust, dirt, and other airborne particles before they enter your home's air. Over time, the filter can become clogged with debris, which can restrict airflow and reduce the efficiency of your furnace.
The above DIY tips help in saving money and enhances the faster heating of the furnace. Next time if you think of calling for assistance from a professional, try out the tips and you will be surprised how many problems you prevent from happening. The furnace runs perfectly when it has been properly maintained.