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 Heating Bill So High? 12 Reasons Your Energy Costs Keep Increasing
A high heating bill usually isn't just cold weather. Here are 12 reasons your furnace is working harder than it should, from a dirty filter to leaky ducts, and what to do about it.
