An Electrical, HVAC and Generator Company in Hillsborough, NJ You deserve to receive the best when you schedule electrical, heating, or generator services-and that's why you should call Pezz Electrical Services LLC. We've served Hillsborough and other towns throughout central New Jersey since 1990, and we have the experience and training to see that we get any job done right the first time. We understand that the services we offer are the kind that you may need on short notice and at odd times of the day or night. That's why we're always ready to answer your emergency call 24 hours a day, 7 days a week.