1-800-341-4022

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Rinnai & Navien Tankless Water Heaters Logos

Replace your inefficient tank water with a new tankless water heater and qualify for an $812.50 Rebate through the Energize DE Program.

With tankless water heaters, say goodbye to cold showers and bulky tanks. Upgrade to a high-efficiency Rinnai or Navien tankless water heater and enjoy endless hot water, lower utility bills— and get $812.50 back through Energize Delaware.

Rinnai Tankless Water Heater Installed

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Rinnai Tankless Water Heater Installed

Rinnai Tankless Water Heaters

Rinnai tankless water heaters are built for homeowners who expect performance, efficiency, and reliability. Designed to deliver endless hot water on demand, Rinnai systems are a smarter alternative to traditional tanks—heating only when needed to reduce energy waste and lower utility bills. These compact units free up valuable space in your home, making them ideal for utility rooms, garages, or tight mechanical spaces. With advanced safety features, precision temperature control, and industry-leading warranties, Rinnai water heaters offer long-term peace of mind. Whether you’re upgrading for energy efficiency or simply want a more comfortable daily routine, these units provide modern, efficient, and dependable hot water—every time you need it.

Navien Tankless Water Heater Installed

Navien Tankless Water Heaters

Navien tankless water heaters offer cutting-edge technology and eco-conscious engineering, making them a top choice for energy-efficient home upgrades. These ultra-high-efficiency systems use condensing technology to maximize heat transfer and minimize energy loss, meaning more hot water with less environmental impact. Navien tankless water heaters are designed for long-lasting performance and come equipped with smart flow sensors and user-friendly controls to ensure consistent temperature and optimal comfort. Their compact size allows for flexible installation, and their quiet operation makes them a discreet addition to any home. Whether you’re replacing an aging tank system or building a more efficient future, Navien tankless water heaters deliver the convenience of endless hot water with the performance and reliability today’s homeowners expect.

My husband and I wish to give high praise to your service technician, Brandon. He is always professional, knowledgeable, punctual, and, most importantly, does great work. Thank you, Schagrin Gas and Brandon!

Pamel T.. of Selbyville, DE

We can always count on Schagrin Home Comfort Products to fix any of our heating & cooling problems.

Ellen R. of Middletown, DE

We have been SchagrinGas customers for seven years.  Our Rinnai, fireplace, furnace, AC, and Mitsubishi split system in the sunroom are all Schagrin originated and serviced. We couldn’t be happier with the company. Professional, qualified staff at every level of the company.

Karen C. of Lewes, DE