The answer to 'furnace high energy bills' is that there are several common causes, including an inefficient or aging furnace, poor insulation, air leaks, and issues with the thermostat or ductwork. Symptoms may include higher than normal utility bills, uneven heating, or the furnace running constantly. Solutions can range from simple DIY fixes like sealing air leaks to more complex repairs or upgrades that require a professional HVAC technician.
If your furnace is over 15 years old or is not keeping your home comfortable, it may be time to consider upgrading to a newer, more energy-efficient model. A professional can assess your system and recommend the best solution to reduce your energy costs.