Is your furnace keeping up with your needs, or has it started showing signs of wear and inefficiency? A reliable heating system is crucial for maintaining comfort, controlling energy costs, and avoiding inconvenient or costly breakdowns during the colder months. Old or struggling furnaces can lead to higher utility bills, uneven heating, and unexpected repair expenses. This guide provides practical insights to help identify key warning signs and determine when replacing your furnace makes the most sense, ensuring a warm, safe, and energy-efficient home.