I purchased this cooktop to replace a radiant-heat glass cooktop from 2002, that was worn looking, after 20 years of service, impossible to  clean, and took 10-15 minutes to boil a pot with 8 cups of water, even on the highest setting.  I was amazed during testing after installing this cooktop last night, when I was able to boil that same pot filled with 8 cups of water in less than half that time.  Cleanup was easy and I'm hopeful that the unit will retain "like-new" appearance months and years from now.  

I received compensation for this review but the review is my own.