TOH Product Panel &#8211; Best Tankless Water Heaters

With a flow rate of up to 4.5 gallons per minute, this electric tankless water heater gives you the space-saving design of an electric model but the flow rate of a gas model.

– Outfitted with memory settings
– Provides silent operation
– Has an advanced flow control function that keeps water temperature consistent while it’s in use

Indoor Tankless Hot Water Heater

– Has a hefty restocking fee
– Has a larger footprint than other electric models

Best indoor gas model

Rinnai

This space-saving tankless water heater from Rinnai fits inside to give you a high gas-powered flow rate of up to 7.5 gallons per minute.

– Built with enhanced scale detection to minimize long-term damage to the unit
– Can provide hot water to several appliances at once
– Equipped with a temperature lock that prevents accidental changes to water temperature

Outdoor Tankless Hot Water Heater

– Some customers said that the unit was difficult to install
– Most expensive option in this guide

Rinnai

Made for outdoor installation, this tankless hot water heater from Rinnai can withstand the elements to provide you with up to 5.3 gallons of water per minute.

– Lightweight for a gas model at 33 pounds
– Offers the option to use Wi-Fi technology for remote control
– Approved by the South Coast Air Quality Management District, which is responsible for regulating air pollution in California

ECO 18 Electric Tankless Water Heater

– May not work with certain products, such as high-flow shower heads
– Doesn’t include a recess box to protect the unit from outdoor elements, though one is available separately for purchase

EcoSmart

This tankless water heater from EcoSmart features a maximum flow rate of 4.3 gallons per minute to warm water for townhouses, multi-bedroom apartments, and other medium-sized spaces.

– Can help you save up to 60% on water-heating costs
– Offers point-of-use installation to limit the amount of time it takes hot water to get to you
– Has a wall-mounted design to free up floor space

ECO 11 Electric Tankless Water Heater

– Some customers experienced poor customer service
– Must hire a plumber or electrician to install it to validate the warranty

EcoSmart

Ideal for low-flow applications, this electric tankless water heater from EcoSmart provides between 1.3 and 3.1 gallons of water per minute.

– Provides endless on-demand hot water at controlled flow rates
– Has a size that’s 90% smaller than traditional tank heaters
– Includes advanced self-modulating technology that only uses the precise amount of energy needed to heat the water