Be proactive about being preventative

“Shorten the preventive maintenance intervals for replacing air handler filters. These keep air clean and prevent equipment from working harder to force air through dirty filters.”

https://www.energystar.gov/buildings/facility-owners-and-managers/existing-buildings/save-energy/stamp-out-energy-waste?fbclid=IwAR2zKzJ09tI1BG-aavV9iulWQAEIExqLM9hMLFrmfAncX3xk0OyKkp_ns5g