10 Best Tankless Water Heaters With Remote Control in 2026 for Precise Hot-Water Control

Tankless water heaters with remote control make it easier to adjust temperature, monitor settings, and deliver hot water where you need it without maintaining a storage tank. The right choice depends on more than remote access, however: electrical capacity, fuel type, flow rate, installation location, and household demand all matter.

We compared 10 options ranging from compact under-sink heaters to higher-capacity whole-home systems. This guide explains the key differences so you can choose a model that fits your plumbing setup, available power, and hot-water needs.

Best 10 Tankless Water Heaters with Remote Control Picks for 2026

Best Under-Sink Pick – 220V Remote-Control Water Heater

For shoppers comparing tankless water heaters with remote control, this 5,500W, 220V under-sink model combines remote operation with a clear LED display and fast point-of-use heating. It is compact and ETL approved, but its 0.8 GPM maximum flow makes it better suited to sinks than showers.

Best For: Kitchens, bathrooms, apartments, RVs, and campsites needing point-of-use hot water.

Pros:

• Remote control and LED monitoring support convenient temperature management.
• Heats water without preheating and offers up to 98% thermal efficiency.
• Includes leak detection, dry-heat protection, overheat protection, and IPX4 water resistance.
• Compact wall-mount design with standard 1/2-inch NPT connections.

Cons:

• Not designed for typical shower flow requirements.
• Requires hardwiring by a qualified electrician and a dedicated 32A-or-higher circuit.

This is a practical remote-controlled choice for localized hot-water demands, especially where installation space is limited. Confirm electrical capacity and the intended flow rate before buying.

Best Replacement Remote – Rheem Digital Display Controller

This Rheem digital display remote control is a straightforward option for shoppers seeking tankless water heaters with remote control, provided they already have a compatible Rheem water heater. Its infrared connection offers button-based temperature adjustment in 2-degree increments.

Best For: Owners of compatible Rheem water heaters who need a replacement or additional remote controller.

Pros:

• Designed for use with Rheem water heaters.
• Provides precise temperature control in 2-degree increments.
• Infrared operation offers a listed range of up to 10 meters.
• Water-resistant construction is suited to utility-area use.

Cons:

• It is a controller, not a tankless water heater.
• Compatibility is limited to supported Rheem water-heater systems.
• Infrared connectivity may require a clear operating path.

If your Rheem system supports this model, it can restore convenient remote temperature control without replacing the heater itself. Verify the model and compatibility details before ordering.

Best Smart-Home Option – Westinghouse 11kW Wi-Fi Heater

Among tankless water heaters with remote control, this Westinghouse 11kW electric model stands out for Wi-Fi, app, and voice-control support. It delivers up to 2.6 GPM at specified conditions and is designed for one point of use, making it a strong fit for a single shower or fixture.

Best For: Smart homes needing remotely managed hot water for one residential point of use.

Pros:

• Works with Alexa and Google Home for app-based and voice control.
• Temperature memory restores the previous setting after a power outage.
• Provides up to 2.6 GPM under the stated inlet and outlet conditions.
• ETL certified with leakage, overheat, dry-fire, and over-voltage protection.

Cons:

• Requires a dedicated 60A double-pole breaker and 8 AWG wire at 240V.
• Designed for one point of use rather than simultaneous whole-home demand.
• Regular inlet-filter and rotor cleaning is recommended.

This is the most feature-rich option in the group for connected-home control, but its substantial electrical requirements should be reviewed with a qualified installer before purchase.

Best 110V Pick – 5000W Remote-Control Water Heater

This 5,000W, 110V under-sink unit gives shoppers another option among tankless water heaters with remote control. Its compact design, LED display, Fahrenheit/Celsius conversion, and up to 0.95 GPM flow make it suitable for point-of-use applications rather than standard showers.

Best For: Sinks and compact installations where a 110V point-of-use heater is preferred.

Pros:

• Remote control, LED display, and Fahrenheit/Celsius conversion add convenience.
• Delivers on-demand heating with up to 98% thermal efficiency.
• Includes low-flow, dry-heat, overheat, and leak protection features.
• ETL approved and compact enough for wall mounting in tight spaces.

Cons:

• Not designed for shower applications requiring higher flow rates.
• Requires hardwiring by a qualified electrician and a dedicated 60A-or-higher circuit.
• Electrical requirements should be confirmed before installation.

This model is worth considering for localized hot water where its electrical setup is appropriate. Compare the circuit requirement and expected flow carefully, especially for older installations.

Outdoor Propane Control – 5.1 GPM Whole-House Heater

If you need tankless water heaters with remote control for several fixtures, this outdoor propane model offers up to 5.1 GPM and 120,000 BTU. Its wired digital controller supports temperature adjustments from 95°F to 158°F, while the unit is designed for simultaneous use at two to four fixtures.

Best For: Families, small businesses, and homes needing outdoor propane-powered hot water for multiple fixtures.

Pros:

• Supports up to 2–4 fixtures simultaneously at up to 5.1 GPM.
• Wired digital controller provides remote temperature adjustment and error-code display.
• Includes ±1°F temperature stability, freeze protection, and multiple safety features.
• Outdoor design requires no indoor installation space.

Cons:

• Requires propane, 120V power, and professional licensed installation.
• External plumbing needs separate insulation for freeze protection.
• As a non-condensing unit, it may not offer the efficiency of some condensing models.

This is the strongest choice here for whole-house demand and remote adjustment, especially where outdoor propane installation is practical. Confirm gas, electrical, venting, and plumbing requirements before purchase.

Compact Electric Remote – 3 kW Sink and Bathroom Heater

For point-of-use needs, this compact electric option is one of the more accessible tankless water heaters with remote control. The 3,000-watt system delivers up to 1.6 GPM, reaches a maximum of 131°F, and can be adjusted with either the included remote control or its touch screen.

Best For: Sinks, bathrooms, kitchens, and other small point-of-use applications where compact size matters.

Pros:

• Remote and touch controls make temperature adjustment convenient.
• Compact wall-mounted design saves space under a sink or in a bathroom.
• Provides instant, on-demand heating with 99% thermal energy efficiency.
• Includes high-temperature, dry-heating, and electrical-leakage protection.

Cons:

• Its 1.6 GPM flow rate is intended for point-of-use service, not whole-house demand.
• Maximum temperature is 131°F.
• Installation requires a circuit breaker rated above 32A.

This model is a practical choice when you want remote adjustment at a single sink or bathroom without installing a larger system. It is less suitable for supplying multiple fixtures simultaneously.

Whole-Home Electric Performance – Tempra 24 Trend 24 kW Heater

The Stiebel Eltron Tempra 24 Trend is a whole-home electric tankless heater for buyers prioritizing continuous hot water and space savings. It uses 24 kW at 240V, automatically modulates power, and provides a digital temperature display, though the supplied specifications do not list a remote control.

Best For: Whole-home users with suitable high-capacity electrical service who want quiet, vent-free operation.

Pros:

• Provides continuous on-demand hot water without a storage tank.
• Auto-modulation is designed to support energy and cost savings.
• Compact wall-mounted design requires no venting and operates quietly.
• Includes a 7-year leakage warranty and 3-year parts warranty.

Cons:

• Requires hard wiring, 240V service, two 50A breakers, and a recommended 150A minimum electrical service.
• The supplied details list a digital display but do not identify a remote-control feature.
• Professional electrical installation may be necessary because of its high power demand.

This is a strong whole-house electric alternative, but it does not directly match the remote-control focus as closely as the other two products. Verify your home’s electrical capacity before considering it.

Best Compact Sink Heater – 3000W Remote-Control Tankless Heater

If you want tankless water heaters with remote control for a sink or other point-of-use application, this compact 110V model offers on-demand heating, touch controls, and remote temperature adjustment. Its 3000W system reaches up to 131°F and uses a wall-mounted design to save space.

Best For: Sinks, kitchens, bathrooms, and under-sink installations where a compact 110V heater and remote control are useful.

Pros:

• Remote and touch-screen temperature controls help avoid adjusting the unit with wet hands.
• Provides instant, continuous hot water with a stated maximum temperature of 131°F.
• Compact wall-mounted design and 99% thermal-efficiency claim help conserve space and energy.
• Includes dry-heating, high-temperature, and electrical-leakage protection.

Cons:

• The 1.6 GPM flow rate and 3000W output are better suited to point-of-use applications than high-demand whole-home use.
• Installation notes call for more than a 32A circuit breaker, so electrical requirements should be checked first.

This model stands out for buyers prioritizing remote adjustment and a small footprint. Its 110V format and sink-focused design make it practical for localized hot-water needs, while the electrical requirements still warrant careful installation planning.

Best for Multiple Fixtures – ORBEK 14kW 240V Tankless Heater

For shoppers comparing tankless water heaters with remote control, this 14kW ORBEK model emphasizes precise local temperature control, high flow, and fast heating. It supplies up to 3.38 GPM, reaches the selected setting in about three seconds, and is designed to support two to three points of use.

Best For: Homes needing higher-capacity electric tankless heating for a bathroom and kitchen or other two- to three-fixture combinations.

Pros:

• Up to 3.38 GPM of on-demand hot water is intended for two to three points of use.
• Controls heating power frequently to maintain temperature within a stated ±1°F range.
• LED display supports temperature settings from 86°F to 140°F.
• ETL certification and leakage, over-temperature, dry-heating, and lightning-resistance protections add reassurance.

Cons:

• Requires a 240V/60A two-pole breaker, 6 AWG wiring, and a household panel with at least 150A total capacity.
• Hard-wiring and 1/2-inch NPT connections make professional installation planning important.

The ORBEK is the strongest capacity choice in this group, but it also has the most demanding electrical setup. Verify panel capacity and wiring requirements before choosing it for multi-fixture use.

Best Smart Under-Sink Pick – Westinghouse 8kW Wi-Fi Heater

This Westinghouse unit is a practical option among tankless water heaters with remote control if you want app-based operation at a single sink. Its 8kW, 240V design provides continuous hot water for handwashing and dish rinsing, while Wi-Fi control works with Alexa and Google Home.

Best For: A single sink or vanity where compact dimensions, app control, and smart-home compatibility matter more than shower capacity.

Pros:

• Wi-Fi app control allows remote adjustment and restart, with Alexa and Google Home compatibility.
• LED controls support temperature settings from 80°F to 130°F.
• Compact 6.9-by-8.1-by-2.5-inch design fits tight under-sink spaces.
• Includes six listed protections, including anti-scald, dry-fire, low-flow, and voltage protection.

Cons:

• It is designed for single-faucet or vanity use and is not intended for showers.
• Requires a dedicated 240V circuit, a 40A two-pole breaker, 10 AWG wiring, and proper grounding.

Choose this model when smart-home control is a priority for a localized water-heating setup. Its small footprint is convenient, but the single-faucet limitation and dedicated-circuit requirements make it less suitable for whole-home service.

How We Picked the Best Tankless Water Heaters with Remote Control

We focused on models that offer remote control, digital temperature management, or connected controls, then compared their heating capacity, voltage, flow rate, installation type, efficiency claims, and intended use. The selection includes point-of-use electric heaters for sinks and bathrooms, larger electric units for multiple fixtures, and a propane outdoor model for homes that need higher whole-house flow.

We also considered practical installation requirements. A compact 110V or 120V heater may be suitable for a single fixture, while 240V models can require substantial amperage, dedicated breakers, and upgraded wiring. Always confirm the manufacturer’s specifications and have electrical or gas work completed by a qualified professional.

Quick Comparison

• Best for a single sink: 110V, 120V, or low-wattage under-sink models.
• Best for stronger electric performance: 14kW to 24kW units designed for 240V service.
• Best for multiple fixtures without major electric demand: An outdoor propane model with sufficient BTU and flow capacity.
• Best for connected convenience: Wi-Fi or remote-control models with digital displays and precise temperature adjustment.

Key Buying Factors for Tankless Water Heaters with Remote Control

Electrical or Fuel Requirements

Check voltage, wattage, breaker size, and required amperage before buying. High-output electric heaters may need multiple dedicated breakers and a service panel capable of handling their load. Propane models require proper gas sizing, ventilation, outdoor placement, and local-code compliance.

Flow Rate and Temperature Rise

Flow rate is measured in gallons per minute, but real performance depends on incoming water temperature and the temperature rise required. A small point-of-use heater may handle one faucet, while whole-home use generally requires more capacity, especially when showers and appliances run simultaneously.

Installation Location

Under-sink units reduce plumbing distance and standby loss at one fixture. Indoor whole-home models need suitable clearances and wiring, while outdoor propane heaters need freeze protection and a properly rated installation area.

Remote and Smart Controls

Look for the control method that matches your routine. A handheld remote is simple for changing settings, while Wi-Fi can offer app-based access and monitoring. Confirm whether the remote changes temperature only or also displays error codes, operating status, and maintenance alerts.

Safety, Certification, and Service

Prefer products with relevant certifications such as ETL or CSA where applicable. Review freeze protection, overheat protection, flow activation thresholds, warranty coverage, replacement parts, and local service availability before purchase.

Who Should Buy Which Tankless Water Heaters with Remote Control?

Choose a compact 110V or 120V unit if you need hot water at one sink, an outbuilding, or a low-demand bathroom. Select a larger 240V electric model if your home has adequate electrical capacity and you want cleaner, tank-free operation for higher demand. Consider the propane outdoor option when whole-home flow is the priority and gas infrastructure is available. For the most convenient adjustments, prioritize a model with a clearly specified remote or Wi-Fi system, but do not sacrifice correct sizing and professional installation for smart features alone.