If you’ve ever stood in front of your furnace and wondered why there are different efficiency ratings, you’re not alone. Most homeowners hear “80%” or “90%+” and assume it’s just a number on a sticker. In reality, that number has a lot to do with how your furnace is built, how much heat you actually

Introduction After running heating and air conditioning companies for more than two decades across Utah, I’ve seen every type of furnace, air handler, motor, blower, and control board you can imagine. I’ve seen what works, what fails early, what wastes energy, and what genuinely keeps a home comfortable. So homeowners often ask me: “With all