The Top 7 Best Tankless Water Heaters 2023

Tankless water heaters, also known as on-demand water heaters, have been gaining popularity in recent years due to their energy-efficient and space-saving benefits. Instead of storing a large amount of water in a tank, these units heat water directly as it flows through the unit, providing hot water on demand. Here are some of the best tankless water heaters on the market today:

Rinnai RUC80iN: This unit has a high flow rate and can provide endless hot water for up to five plumbing and appliance outlets simultaneously.

Takagi T-H3-DV-N: This unit is compact and efficient, making it ideal for smaller homes or apartments. It can also be used with natural gas or propane.

Rheem RTG-84XLN: This high-efficiency unit has a self-diagnostic system and a digital display for easy operation. It can provide continuous hot water for up to four plumbing and appliance outlets simultaneously.

Navien NPE-240-A: This unit has a high flow rate and is designed for larger homes or multi-bathroom households. It also has a built-in recirculation system to ensure hot water is always available quickly.

When choosing a tankless water heater, it’s important to consider your household’s hot water needs, the unit’s efficiency, and your budget. With the right unit, you can enjoy endless hot water and lower energy bills.

1. Ecosmart ECO Electric Tankless Water Heater

The Ecosmart ECO Electric Tankless Water Heater is an energy-efficient and compact unit that can provide hot water on demand. It is designed for use in small to medium-sized homes and has a digital temperature control for easy operation.

2. Stiebel Eltron Tankless Water Heater

The Stiebel Eltron Tankless Water Heater is a high-performance and durable unit that can provide endless hot water for up to three bathrooms. It has a compact design and a digital temperature display for easy operation and can be used with hard or soft water.

3. Rheem 240V Heating Chamber

The Rheem 240V Heating Chamber is a powerful and efficient component of the Rheem electric tankless water heater. It heats the water quickly and can provide hot water for up to four plumbing and appliance outlets simultaneously. The heating chamber is easy to replace if needed.

4. High-Efficiency Indoor Tankless Water Heater

A high-efficiency indoor tankless water heater is a unit that heats water on demand and does not require a storage tank. It can provide endless hot water and is energy-efficient, making it a cost-effective and environmentally-friendly option for heating water in homes and buildings.

5. Rheem RTG-84XLN Water TANKLESS Heater

The Rheem RTG-84XLN is a natural gas tankless water heater that can provide hot water on demand for up to three bathrooms. It has a high-efficiency condensing design and a digital display for easy operation. It also has a self-diagnostic system for quick troubleshooting.

6. Tankless Instant Electric Water Heater

A tankless instant electric water heater is an energy-efficient and space-saving unit that heats water on demand without the need for a storage tank. It is easy to install and can provide hot water for a single fixture or multiple fixtures in small homes or apartments.

7. Rinnai RUC80iN Gas Tankless Water Heater

The Rinnai RUC80iN is a natural gas tankless water heater that can provide hot water for up to three bathrooms. It has a high-efficiency condensing design and a digital controller for easy operation. It also has a durable and compact design, making it ideal for small to medium-sized homes.