GP Plumbing & Heating provides plumbing, HVAC, and sewer cleaning services for homes and businesses in Newark, NJ. Their offerings include water heater repair and installation, sump pump repair, and general plumbing maintenance. The company is fully licensed and insured, combining years of experience with personalized service to ensure efficient and effective solutions. They also handle rough and sewer cleaning and HVAC system repairs, aiming to keep home systems running smoothly.