Electric Stove Not Heating Properly - Technician Needed ASAP

I need an experienced electric stove repair technician to fix my Whirlpool electric stove. The issue is that the stove is not heating properly and I've tried resetting it, but that didn't work. The stove is approximately 5 years old and has been well-maintained. I need someone to come and diagnose the problem and fix it as soon as possible.