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Tankless Hot Water Heaters


High Efficiency Tankless Hot Water Heaters Save You Money!

Tankless hot water heaters offer unlimited hot water at a steady temperature whenever you need it and for as long as you need.

Tankless hot water heaters offer unlimited hot water at a steady temperature whenever you need it and for as long as you need.


They offer the industry’s highest energy efficiency at 98% which lowers your annual operating cost and the best payback over tank type water heaters.


Another advantage of the tankless hot water heater is that they only produce hot water when needed instead of storing it in a hot water tank that has to use energy to maintain temperature.


That alone dramatically decreases your energy cost.


Finally, adding a tankless water heater to your home will drastically maximize space, whether in your basement, garage or a closet. Just another added benefit of going tankless!


SJ Johnson offers only the highest quality tankless water heaters by Navien.  Navien is the leader in condensing technology, providing condensing tankless water heaters, combi-boilers, and boilers. Navien’s products possess state-of-the-art technology, high efficiency, and reliable quality.


Tankless hot water heaters offer unlimited hot water at a steady temperature whenever you need it and for as long as you need.

The Navien NPE Series, is the ultimate hot water solution.  It offers all the hot water you need, for as long as you need it. A Navien hot water heater will help lower your energy bills and is environmentally friendly. You can communicate with your Navien system navien hot water systemfrom anywhere with the NaviLink app giving you convenience and control in the palm of your hand.

  • Endless hot water without wasting energy heating a tank.
  • Space-saving 80% smaller than traditional tank water heaters.
  • An integrated and easy-to-use control.
  • Cascading capabilities without external control for larger homes. 
  • 1/2″ gas pipe capability up to 24 feet – use an existing gas line for easy retrofit. An industry-leading warranty. 
  • Dual stainless steel heat exchangers for longer life. 
  • Field gas convertibility from NG to LP.

Why Choose Navien?


The new Navien NPN series is the first and only non-condensing tankless water heater series that offers a durable stainless-steel heat exchanger, choice of indoor or outdoor operation in one unit and a patented stainless steel burner design, all with Navien’s dedication to advanced engineering, elegant design and exceptional product support. • Patented NaviTech™ stainless steel heat exchanger and stainless steel burner with precision control flame technology for eco-friendly low NOx emissions comparable to condensing burners • 0.81 Uniform Energy Factor (UEF) for all models • Choice of universal indoor/outdoor or outdoor only operation • Strong residential and commercial warranties • NaviVent™ concentric 3″ x 5″ venting • Units available in either Natural Gas (NG) or Liquid Propane (LP) gas


More About Navien Tankless Water Heaters

Serving Southern Maryland, Anne Arundel County, Charles County, Calvert County, Upper Marlboro, Lower Prince Georges County.

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