Lisa, my cooktop is at least 13 years old, the large burners are 11,000 BTU. My problem is
at the low end, can't get them down far enough. The high end seems fine. I do have an All-Clad and other heavy saute pans and even with them and cast iron, I rarely use high. Usually just for stir-frying. It would seem to me that unless you have all very heavy pans and do a lot of stir-frying and searing, 12 would be fine. And if you do get the 14, I'm wondering if you'd better have a very good exhaust system to go with it. This exhaust system isn't that good and one reason I don't like to use high heat. Just my opinion, take it with a grain of salt, smileys/wink.gif.