For more than 15+ years, Hot Water NJ has kept the hot water running in Warren County. We cover 20+ municipalities with fast, licensed water heater installation, replacement, and repair.
A licensed tech calls you back—usually within the hour.
A water heater expert will reach out within the hour. Need help now? Call 973-834-8833.
Professional, code-compliant water heater installation for tank and tankless systems, sized and installed right the first time.
Learn more →Fast, clean replacement of failing or leaking water heaters, often same-day, with old-unit haul-away included.
Learn more →Expert diagnosis and repair for no hot water, leaks, noises, pilot light issues, and every common failure.
Learn more →24/7 emergency response for leaking tanks, no hot water, and failures that can't wait until morning.
Learn more →Endless hot water and lower energy bills with expert installation of Navien, Rinnai, Noritz, and Rheem tankless systems.
Learn more →Diagnostics, error-code clearing, descaling, and repair for all major tankless brands.
Learn more →Click your town for local water heater installation, replacement, and repair.
Real feedback from homeowners and businesses we've helped across Northern New Jersey.
"Best plumbing experience I've had. On time, tidy, and they hauled the old unit away."
— Greg P.
"Our pilot light kept going out. They diagnosed it fast and fixed it the same visit. Great service."
— Lauren D.
"Called at 7am with a leaking tank. They were here in two hours and saved my basement. Lifesavers."
— Maria S.
Same-day service available across Northern New Jersey. Licensed, insured, and trusted since 2009.