Is your forced air furnace acting up in Brookhaven, GA? You might need to act fast to protect your home and family. A faulty furnace can cause carbon dioxide buildup and increase your risk of a house fire. First, you’ll want to have your furnace professionally inspected if you’ve noticed strange noises, new odors, or inconsistent heat. Then, when you need major repairs or want more heat for less, it’s time to upgrade with a new furnace installation.