Tankless water heaters with digital displays make it easier to monitor outlet temperature, adjust settings, and spot performance changes without guessing. The right model depends on more than display quality, though: electrical capacity, fuel type, flow rate, installation location, and safety features all matter.
We compared 10 options ranging from compact under-sink units to high-output whole-home and portable gas heaters. Use the guide below to narrow the list by installation needs, household demand, and available utilities.
Best 10 Tankless Water Heaters with Digital Display Picks for 2026
Best Overall
CAMPLUX TEW24 24kW Electric Tankless Water Heater
- 24kW on-demand output for shower use
- Digital temperature display with heating indicator
- Self-modulating design with multiple safety protections
Best For: High-demand 240V electric installations
Best Under-Sink Pick
Electrolux Infinite 8 8kW Tankless Water Heater
- Compact point-of-use design for sinks
- LED display and self-modulating heating
- Not designed for shower use
Best For: Small sink and vanity installations
Best Portable Gas Option
CAMPLUX BW264 2.64 GPM Propane Water Heater
- 68,000 BTU output and 2.64 GPM flow
- Portable outdoor design with digital display
- Includes regulator, shower head, and installation kit
Best For: Camping and outdoor hot-water use
Best Smart Controls
Midea 13kW Electric Tankless Water Heater
- Touch panel and LED digital display
- Wi-Fi and app-based temperature control
- Compact wall-mounted, self-modulating design
Best For: Connected 240V installations
Best Whole-Home Gas Option
EZ Ultra HE Natural Gas Tankless Heater
- Condensing design preheats incoming water
- Up to 3.4 GPM at a 45°F rise
- Includes key venting and installation components
Best For: Whole-home indoor systems with natural-gas service
Best Safety-Focused Under-Sink Model
4500W Electric Tankless Heater
- Touchscreen displays and adjusts water temperature
- Includes leak, freeze, dry-burn, and overheat protection
- Compact wall-mounted design with IPX4 rating
Best For: Under-sink and secondary water points
Best Gas Whole-House Pick
VEVOR 100,000 BTU Gas Tankless Heater
- Large LED screen displays temperature and operating status
- 100,000 BTU output with 16 L/min flow rate
- Multiple safety protections and ±1°F temperature control
Best For: Whole-house hot water in homes set up for natural gas
Best Compact Point-of-Use Pick
110V 3000W Under-Sink Electric Heater
- LCD display with Fahrenheit/Celsius selection
- Compact wall-mounted design for sink applications
- Multiple protections and a 24-month warranty
Best For: Sinks and other low-flow point-of-use locations
Best Touch-Control High-Output Pick
VEVOR 8KW 240V Electric Heater
- LCD touch screen with digital temperature display
- 86°F–140°F or higher temperature range
- Requires a 40A breaker and 10AWG cable
Best For: Higher-demand bathroom, kitchen, and commercial applications
Best Overall – CAMPLUX TEW24 24kW Electric Tankless Water Heater
For shoppers comparing tankless water heaters with digital display, the CAMPLUX TEW24 combines high output with on-demand electric heating. Its display shows the current water temperature, while self-modulating operation and separated heating elements are designed to support efficient, lower-maintenance use.
Best For: Whole-home or shower use where a high-capacity 240V electric unit and visible temperature feedback are priorities.
Pros:
- 24kW output provides hot water on demand, with activation at a minimum flow of 0.66 GPM.
- Digital display shows water temperature, with a red heating indicator.
- Self-modulating technology is rated up to 99.8% heating efficiency.
- Includes overheat, anti-dry-heating, and water-electricity separation protections.
Cons:
- Requires 208–240V hardwiring and three 8 AWG wires, so electrical installation should be planned carefully.
- Its 3/4-inch NPT connections and recommended valve kit may add installation requirements.
The TEW24 is a strong fit when you need substantial electric tankless capacity without a bulky storage tank. Confirm your electrical service, wiring, flow needs, and installation space before buying.
Best Under-Sink Pick – Electrolux Infinite 8 8kW Tankless Water Heater
The Electrolux Infinite 8 is a compact choice for shoppers seeking tankless water heaters with digital display for a sink or vanity. Its LED display, 1.97 GPM flow rating, and 8kW heating system are designed for point-of-use hot water rather than shower service.
Best For: Handwashing, dish rinsing, and other under-sink applications where space is limited.
Pros:
- Compact 6.9-by-8.1-by-2.5-inch wall-mounted design takes up substantially less space than a tank heater.
- LED display and self-modulating operation support straightforward temperature management.
- Provides up to 1.97 GPM at a 77°F temperature rise and is rated at 99% heating efficiency.
- Includes low-flow, dry-fire, overheat, voltage, anti-scald, and IPX4 protection features.
Cons:
- It is specifically optimized for sinks and is not intended for showers.
- Its maximum listed temperature is 130°F, with a 104°F maximum noted for the stated 77°F rise and flow performance.
- Requires a dedicated 40A circuit.
This Electrolux model makes the most sense as a space-saving point-of-use heater. Its display and safety features are useful, but buyers should not treat its compact 8kW capacity as a whole-home solution.
Best Portable Gas Option – CAMPLUX BW264 2.64 GPM Propane Water Heater
For outdoor and portable applications, the CAMPLUX BW264 stands out among tankless water heaters with digital display by pairing propane heating with a compact control panel. It delivers up to 2.64 GPM and includes a digital display for managing temperature during camping, outdoor washing, or similar uses.
Best For: Outdoor showers, camping, and portable hot-water needs where propane operation is practical.
Pros:
- 68,000 BTU output provides up to 2.64 GPM of instant hot water.
- Portable 18-pound design includes a mounting bracket and installation kit.
- Digital display accompanies flame-failure, overheat, and anti-freezing protections.
- Includes a CSA-certified gas regulator and shower head with on/off switch.
Cons:
- Designed primarily for outdoor use and requires proper ventilation if installed indoors with a flue or duct.
- Propane connections must be sealed and checked carefully for leaks before operation.
- Its 1-year warranty is shorter than some extended-support options.
The BW264 is a convenient portable heater when you need fast hot water away from a conventional plumbing setup. Because it burns propane, safe installation, ventilation, leak checks, and cold-weather draining are essential.
Best Smart Controls – Midea 13kW Electric Tankless Water Heater
The Midea 13kW is a convenient pick for shoppers comparing tankless water heaters with digital display and connected controls. Its touch panel and LED display provide real-time operating information, while app and Wi-Fi features allow temperature management from a compatible smart device.
Best For: Compact 240V installations where digital controls, saved temperature settings, and app access are useful.
Pros:
- Touch control panel and clear LED display make temperature adjustments straightforward.
- Smart Home App and Wi-Fi connectivity support remote management and saved temperature preferences.
- Self-modulating, on-demand heating is designed to reduce standby energy loss.
- Wall-mounted 11.38-by-15.75-inch design saves space compared with a traditional tank.
Cons:
- The supplied details list a 13kW model while describing an upgraded 18kW smart heating system, so buyers should verify the exact configuration.
- The notes do not provide a flow-rate rating, making it harder to compare capacity with other models.
- Only overheat protection is specifically listed among the supplied special features.
The Midea is appealing if smart controls matter as much as compact electric heating. Before purchase, confirm the model’s actual wattage, expected flow performance, and electrical requirements for your installation.
Best Whole-Home Gas Option – EZ Ultra HE Natural Gas Tankless Heater
EZ Ultra HE Natural Gas Indoor Condensing Tankless Water Heater - Digital Display - Whole Home
Check Price On AmazonFor shoppers comparing tankless water heaters with digital display capability for whole-home use, the EZ Ultra HE is a natural-gas indoor model with a built-in digital display and condensing technology. Its 3.4 GPM capacity, included venting components, and wall-mounted design make it a practical option for installations where gas service and appropriate venting are available.
Best For: Whole-home indoor hot water systems with natural-gas service.
Pros:
- Condensing technology uses exhaust gas to preheat incoming water for improved efficiency.
- Supports horizontal or vertical venting with included vent-related components.
- Provides up to 3.4 GPM at a 45°F rise.
- Includes mounting hardware, connectors, a flue pipe, and condensation drain pipe.
Cons:
- Requires natural-gas service and indoor venting installation.
- Its 3.4 GPM rating may be limiting for especially high simultaneous demand.
The EZ Ultra HE stands out when you want a digital-display tankless heater sized for a gas-powered whole-home setup. Confirm local venting requirements, gas capacity, and expected flow needs before installation.
Best Compact Electric Pick – CAMPLUX 6kW Point-of-Use Heater
The CAMPLUX is a compact choice among tankless water heaters with digital display controls, providing point-of-use hot water for sinks and smaller households. Its touch control shows water temperature and inlet flow in real time, while self-modulating technology adjusts power according to demand.
Best For: Sinks, apartments, offices, tiny homes, and other compact point-of-use installations.
Pros:
- Intelligent touch control displays real-time water temperature and inlet water flow.
- Self-modulating operation adjusts power use to water-flow needs.
- Compact wall-mounted design measures 10.95 by 7.4 by 2.52 inches.
- Includes overheat protection and a cast-aluminum heating element.
Cons:
- Requires hardwiring, a 30A circuit breaker, 10 AWG wire, and a 1/2-inch NPT connection.
- The 6kW, 1.5 GPM unit is intended for point-of-use applications rather than broad whole-home demand.
With a temperature range of 85°F to 131°F and a listed 50°F rise at 1.0 GPM, this CAMPLUX model fits space-conscious buyers who want visible controls and on-demand hot water. Verify the electrical requirements before purchase.
Best Safety-Focused Under-Sink Model – 4500W Electric Tankless Heater
This 4.5kW electric unit is a straightforward option for shoppers seeking tankless water heaters with digital display controls in a compact under-sink format. Its touchscreen lets you set the temperature from 86°F to 131°F and view the current water temperature, while multiple protection features support use in kitchens, bathrooms, and other secondary water points.
Best For: Compact under-sink installations in apartments, rental homes, kitchens, and bathrooms.
Pros:
- Digital touchscreen provides temperature adjustment and real-time temperature display.
- Wall-mounted design saves floor and cabinet space.
- Includes leakage, over-temperature, freeze, and dry-burning protection.
- IPX4 waterproof rating helps resist moisture and splashes.
Cons:
- Professional installation by licensed electricians and plumbers is recommended.
- The 4.5kW output is positioned for point-of-use needs rather than large whole-home demand.
- Temperature settings top out at 131°F.
The HYGXTH018X4 is a practical fit when precise touchscreen control and layered safety features matter more than high-capacity household coverage. Check the available electrical supply and plumbing connection before installation.
Best Gas Whole-House Pick – VEVOR 100,000 BTU Gas Tankless Heater
If you want tankless water heaters with digital display capability for whole-house use, this VEVOR natural-gas model combines a 100,000 BTU output with a large LED screen. Smart sensors are designed to keep the temperature within ±1°F of the set value, while the 16 L/min flow rate supports showers and other household hot-water needs.
Best For: Families seeking an indoor, gas-powered whole-house water heater with precise temperature monitoring.
Pros:
- Large LED display shows water temperature and operating status.
- 100,000 BTU output and 16 L/min flow rate provide continuous hot water.
- Includes multiple protections, including flameout, overheating, dry-burning, leakage, and freeze protection.
- Uses a standard 1/2-inch NPT connection and includes a vent outlet for direct-vent connection.
Cons:
- Natural-gas operation requires suitable gas, venting, and indoor installation arrangements.
- Installation may require professional attention despite the standard connections.
This is the strongest choice here for shoppers who need whole-house capacity and gas efficiency, provided the home is equipped for an indoor natural-gas installation. Its LED interface and fine temperature control add everyday convenience.
Best Compact Point-of-Use Pick – 110V 3000W Under-Sink Electric Heater
For a compact fixture or small space, this 110V electric unit is one of the more practical tankless water heaters with digital display features. Its LCD screen shows operating status, and the 3,000W system delivers on-demand hot water for sinks without a storage tank. The manufacturer specifically says it is not suitable for showers.
Best For: Kitchen sinks, bathroom sinks, apartments, RVs, and other point-of-use applications with modest flow demands.
Pros:
- LCD digital display and selectable Fahrenheit or Celsius settings.
- Compact, wall-mounted design saves space under or near a sink.
- Includes leakage, dry-boil, overheating, inactivity shutoff, and IPX4 protection.
- Reported thermal efficiency is up to 98%, and a 24-month warranty is provided.
Cons:
- Not recommended for showers, which typically require at least 1.8 GPM.
- Requires vertical installation and electrical wiring with a suitable over-32A trip switch, according to the instructions.
- Its 110V, 3,000W design is intended for point-of-use service rather than whole-house demand.
This model makes sense when you need hot water close to a sink and have limited installation space. Confirm the electrical requirements and flow expectations before buying, especially if you are considering it for bathing.
Best Touch-Control High-Output Pick – VEVOR 8KW 240V Electric Heater
This VEVOR electric unit is a strong option among tankless water heaters with digital display controls for bathrooms, kitchens, and other higher-demand locations. Its 8KW heating system offers temperatures from 86°F to 140°F or higher, while the LCD touch screen provides direct temperature adjustment and monitoring.
Best For: Households or commercial spaces that want a compact 240V electric heater with touch controls for on-demand hot water.
Pros:
- LCD digital temperature display with an IMD touch screen for convenient control.
- 8KW system delivers instant hot water without preheating.
- Cast-aluminum heating element is designed to resist scale and corrosion while separating water and electricity.
- Thermostat and over-temperature protection help limit temperature fluctuations.
Cons:
- Installation requires a 40A circuit breaker and 10AWG power cable.
- Professional installation is recommended for the 240V electrical setup.
- Buyers must verify voltage, power, accessories, and installation requirements before purchase.
Choose this model when you want a slim, wall-mounted electric heater with a modern touch interface and more output than a small under-sink unit. Its substantial electrical requirements make installation planning especially important.
How We Picked the Best Tankless Water Heaters with Digital Display
We evaluated the selected models by matching their specifications to common installation scenarios. Key considerations included fuel type, voltage, wattage or BTU output, rated flow, display functionality, installation location, certification claims, temperature controls, safety features, and portability. We also separated point-of-use units from whole-home heaters because their capabilities and installation requirements are substantially different.
Specifications such as maximum flow and heating capacity are starting points rather than guarantees. Actual performance depends on incoming water temperature, desired outlet temperature, plumbing, electrical service, gas supply, and simultaneous demand.
Quick Comparison
| Best suited for | Look for | Models in this roundup |
|---|---|---|
| Under-sink or single fixture | Compact size, modest power, simple temperature display | Electrolux 8kW, CAMPLUX 6kW, 110V 3000W |
| Higher-demand electric use | 240V service, higher wattage, adjustable digital controls | CAMPLUX 24kW, Midea 13kW, VEVOR 8kW, 4500W unit |
| Outdoor or off-grid use | Propane operation, portable design, safety shutoffs | CAMPLUX 2.64 GPM |
| Whole-home gas heating | High BTU output, indoor-rated installation, venting compatibility | EZ Ultra HE, VEVOR 100,000 BTU |
Key Buying Factors for Tankless Water Heaters with Digital Display
Fuel Type and Installation
Electric models are often simpler to install where adequate 240V service is available, but high-wattage units may require dedicated circuits and substantial panel capacity. Gas models can deliver higher output for whole-home use, but they require compatible gas lines, venting, combustion-air provisions, and professional installation in many locations. Portable propane units are useful for camping, cabins, and temporary outdoor applications, not typical indoor household plumbing.
Flow Rate and Temperature Rise
Flow rate describes how much water the heater can deliver, while temperature rise describes how much it can heat the incoming supply. Cold climates and multiple simultaneous fixtures demand more capacity. Do not choose by gallons per minute alone; compare the manufacturer’s performance data with your incoming water temperature and expected peak usage.
Display, Controls, and Safety
A useful digital display should show or help set outlet temperature clearly. Touch controls, child locks, self-diagnostics, overheat protection, leak safeguards, flame-failure protection, and freeze protection can add practical value, depending on the model. Confirm the display remains readable where the unit will be installed.
Certification and Service Requirements
Check for relevant CSA, UL, or local certification and verify code requirements before buying. Electric units may need new wiring and breakers; gas units may need venting and condensate drainage. Factor in filters, descaling, annual inspection, and access for servicing.
Who Should Buy Which Tankless Water Heaters with Digital Display?
Choose a compact electric point-of-use model for one sink, a remote bathroom, or a small fixture where whole-home capacity is unnecessary. Choose a higher-wattage 240V electric heater when you want on-demand heating and have the electrical infrastructure to support it. For whole-home demand, gas models generally offer more usable output, provided installation and venting are suitable. Choose the portable propane model for outdoor, camping, or mobile hot-water needs.
Before ordering, confirm voltage, amperage, fuel, dimensions, connections, required accessories, and local installation rules. A digital display improves control, but correct sizing and professional installation determine whether the heater performs reliably.