Tankless Water Heaters

Tri Gas & Oil is a proud dealer for Rinnai® Tankless Water Heaters. Rinnai® is the #1 selling propane tankless water heater in the USA because it offers a range of benefits to make your life easier.

The Rinnai® Tankless Water Heater saves energy by heating water only when you need it—no more tank that constantly heats and cools water all day long! With the tankless technology, you’ll have unlimited hot water when you need it! The system heats the water using heating coils. But the benefits aren’t limited there:

  • Saves space—the unit is easily mounted on a wall
  • Typical life expectancy of up to 20 years—twice as long as a tanked water heater
  • Water heaters have a battery back-up system
  • 12-year limited manufacturer warranty on the heat exchanger
  • Green up to 96% efficient and ENERGY STAR® qualified

Stop by any of our district offices to see a selection of Propane Tankless Water Heaters. We can also custom order a wide variety of sizes and colors from Rinnai®.


  • TriGas & Oil Co, Fuel Oil, Federalsburg, MD