Yes, regular maintenance for a furnace is essential. Routine maintenance helps ensure that your furnace operates efficiently, safely, and reliably. Neglecting maintenance can lead to reduced efficiency, higher energy bills, more frequent breakdowns, and potentially unsafe conditions, including the risk of carbon monoxide leaks. Common maintenance tasks include cleaning or replacing air filters, inspecting and cleaning the heat exchanger, checking and lubricating moving parts, testing safety controls, and ensuring proper ventilation. Investing in annual or biannual professional inspections and maintenance by a qualified HVAC technician can extend the life of your furnace, improve indoor air quality, and provide peace of mind that your heating system is in good working condition.