Here is a great article on saving cash with routine maintenance instead of waiting for repairs. And exert says:
"Our experts in the heating ventilation air conditioning industry tell us that 60 percent of all their service calls start because it’s a dirty filter issue. If you have a dirty filter, it affects the efficiency of your furnace," says Reed. She says that it’s a simple and easy repair that improves the air quality and saves you money.
For the full article go to: How to Repair Your Home Without Damaging Your Wallet by Phoebe Chongchua
What’s worked for me? Making a schedule of maintenance and then adding it to my Outlook Calendar – with reoccurring dates too! What’s worked for you???