When your water heater stops keeping up, New Jersey homeowners call Hot Water NJ first.
Rinnai Water Heater Installation
We install the complete Rinnai tankless lineup, matching the right model to your home's hot water demand, fuel type, and budget. Every Rinnai installation is performed to New Jersey plumbing code with the proper permit and inspection.
Rinnai Repair & Replacement
Already own a Rinnai water heater? Our technicians diagnose and repair Rinnai systems quickly, with common parts on the truck. When it's time to replace, we'll recommend the best current Rinnai model—or compare it honestly against other brands so you can choose with confidence.
Why Homeowners Choose Rinnai
Reliable RX and RSC series tankless units with long warranties. 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 →