What Is AFUE? A Guide to Furnace Efficiency Ratings
A higher AFUE number isn't automatically the better furnace. Here's what AFUE really measures, what 80% vs 95% means, and how to choose in Southern California.
Why Is My Furnace Leaking Water? 8 Possible Causes
A high-efficiency furnace makes water by design — but a puddle on the floor isn't how it should drain. Here are 8 causes, and why the source matters more than the puddle.
