Hot Water NJ is the trusted name for water heater service across New Jersey and the surrounding area.
Navien Water Heater Installation
We install the complete Navien tankless lineup, matching the right model to your home's hot water demand, fuel type, and budget. Every Navien installation is performed to New Jersey plumbing code with the proper permit and inspection.
Navien Repair & Replacement
Already own a Navien water heater? Our technicians diagnose and repair Navien systems quickly, with common parts on the truck. When it's time to replace, we'll recommend the best current Navien model—or compare it honestly against other brands so you can choose with confidence.
Why Homeowners Choose Navien
Condensing tankless leader with NPE and NPN series and built-in recirculation. We've installed and serviced these systems across Northern NJ for years, so we know their strengths, their quirks, and how to get the most life out of them.
Other Brands We Service
See all water heater brands we install and repair →