A furnace is crucial for comfort and survival in cold winter weather. Without it, we would still be huddling around wood fires to stay warm. Unfortunately, furnaces need regular professional tune-ups and homeowner upkeep to run strongly and efficiently. Even with proper maintenance, however, furnaces can break down and develop problems that impede regular functioning.
If you live in Northern California, you most likely have a furnace or heat pump. Hybrid heating systems are comprised of a furnace (gas or electric) and a heat pump. Where is my furnace? Most Americans use a furnace to heat their home. It can use natural gas, propane, heating oil, or electricity. The unit