Get excited! Check out our picks for the best the best tankless water heater
The best the best tankless water heater
FOGATTI Natural Gas Tankless Water Heater, Indoor 7.5 GPM, 170,000 BTU Black Instant Hot Water Heater, InstaGas Comfort 170 Series
out of stock
Amazon.com
as of April 3, 2026 10:29 am
Features
- We recommend that all installations of units must be done by the local building and plumbing codes of the installation location and installation be done by a licensed professional.
- The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
- 170,000 BTU high heating capacity and maximum 7.5 GPM. It is suitable for 3-4 outlet points, which can satisfy whole family. UEF over 0.81, the high energy conversion rate can effectively reduce energy loss.
- Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.
- Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.
Airthereal Electric Tankless Water Heater, 8kW, 240 Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy - Use for Faucet and Sink, Evening Tide series
out of stock
Amazon.com
as of April 3, 2026 10:29 am
Features
- ☼ Instant Hot Water: The 8kW electric tankless water heater supplies instant & endless hot water of 108℉ or higher with no waiting for preheating or temperature fluctuations. perfect companion for faucet and sinks, bringing you perfect experience of comfort and relaxing.
- ☼ Save Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to heat up water while you are using it to save up to 50% on water heating energy compared to a typical tank water heater.
- ☼ Save Space: A traditional water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a hot water heater with a tank. Compared to our next-largest 9kW water heater, this 8kW unit is 30% smaller with only 3,412 BTUs.
- ☼ Important Note: In order to install 8kW Electric Tankless Water Heater, it will require a 240 Voltage, 40 AMP circuit breaker. Please check to confirm that your breaker panel meets these specifications before purchasing.
- ☼ Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easy knowing you have safe, on-demand hot water to use on your schedule. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.
EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5
out of stock
Amazon.com
as of April 3, 2026 10:29 am
Features
- Configured for climates where incoming water temperature can reach as low as 37 degrees.
- Capable of heating nearly 3 gpm.
- Digital temperature control allows temperature settings in 1 degree increments.
- Voltage - 240
- Single phase
Anxious to get a glimpse?
Best Tankless Water Heater 2023 [don’t buy one before watching this]
Best Tankless Water Heater 2023 [don't buy one before watching this] ▻ Links to the best tankless water heater 2023 we listed in ...
The Best Tankless Water Heater (on demand): A Plumber's Review
Jim shares his opinion on the best tankless (on-demand) water heater on the market. If you're considering installing a tankless ...
BEST Tankless Gas Water Heater Reviews ♨️ (Ultimate 2023 Natural Gas and Propane Water Heater Guide)
Best Prices On Gas Tankless Water Heaters 0:00 1️⃣ Best Whole House Gas Tankless System: Rheem RTGH-95DVLN Gas ...
Price Drops Alerts
FOGATTI Natural Gas Tankless Water Heater, Indoor 7.5 GPM, 170,000 BTU Black Instant Hot Water Heater, InstaGas Comfort 170 Series, FOGATTI
out of stock
BUY NOW
Amazon.com
Price History
Airthereal Electric Tankless Water Heater, 8kW, 240 Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy - Use for Faucet and Sink, Evening Tide series, Airthereal
out of stock
BUY NOW
Amazon.com
Wait For A Price Drop
Price History
Statistics
| Current Price | - | April 3, 2026 |
| Highest Price | 129.99 | November 9, 2025 |
| Lowest Price | 129.99 | November 9, 2025 |
Since November 9, 2025
Last price changes
| 129.99 | November 9, 2025 |
EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5, Ecosmart
out of stock
BUY NOW
Amazon.com
Wait For A Price Drop
Price History
Statistics
| Current Price | - | April 3, 2026 |
| Highest Price | 517.89 | November 15, 2025 |
| Lowest Price | 509.98 | December 21, 2025 |
Since November 9, 2025
Last price changes
| 515.00 | January 3, 2026 |
| 509.98 | December 21, 2025 |
| 515.44 | December 14, 2025 |
| 515.52 | December 14, 2025 |
| 515.60 | December 13, 2025 |