When to Change Filters
When to change you furnace filter:
- At the beginning of Heating & Cooling seasons
- During and after any significant home renovation
- After a professional has completed the cleaning of your furnace ducts
- When a decrease in flow is noticed at the registers
- When a professional HVAC technician measures a significant increase in pressure drop during Preventive Maintenance service
- Upon inspection, you note that the filter is loaded up with dust or debris or is damaged