The answer to 'heat exchanger leaking water' is that a leaking heat exchanger is a common HVAC issue that requires prompt attention. The heat exchanger is a critical component that transfers heat from the furnace to the air circulated through your home. When it develops cracks or holes, water can leak out, causing water damage and potentially leading to a complete furnace failure if not addressed.
Some common causes of a leaking heat exchanger include normal wear and tear over time, corrosion from condensation buildup, and physical damage from issues like a cracked heat exchanger or loose connections. Symptoms may include water pooling around the furnace, musty odors, and reduced heating efficiency. If you notice any of these signs, it's important to have a professional HVAC technician inspect and diagnose the issue as soon as possible to prevent further damage and ensure your home's safety.