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Electric Tankless Water Heaters Market

The market for Electric Tankless Water Heaters was estimated at $1.8 billion in 2024; it is anticipated to increase to $3.0 billion by 2030, with projections indicating growth to around $4.5 billion by 2035.

Report ID:DS2401038
Author:Chandra Mohan - Sr. Industry Consultant
Published Date:
Datatree
Consumer Goods
Consumer Electronics
Electric Tankless Water Heaters
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Report Summary
Market Data
Methodology
Table of Contents

Global Electric Tankless Water Heaters Market Outlook

Revenue, 2024

$1.8B

Forecast, 2034

$4.2B

CAGR, 2025 - 2034

8.9%

The Electric Tankless Water Heaters industry revenue is expected to be around $1.9 billion in 2025 and expected to showcase growth with 8.9% CAGR between 2025 and 2034. Building on this projected expansion, the Electric Tankless Water Heaters market is gaining increasing strategic importance within the global water heating industry. The growing emphasis on energy efficiency, compact infrastructure, and electrification of residential utilities is reinforcing demand for these systems. Unlike traditional storage water heaters, tankless models deliver hot water instantly while reducing standby heat loss, making them particularly attractive for modern urban housing and space-constrained buildings. Governments and regulatory bodies in many regions are also encouraging energy-efficient appliances through efficiency standards and sustainability initiatives, further strengthening adoption. Additionally, rising electricity reliability, expansion of smart homes, and consumer preference for lower long-term operating costs are supporting market momentum. Manufacturers are focusing on improving heating capacity, digital temperature control, and integration with smart home ecosystems, positioning electric tankless solutions as an efficient and technologically advanced alternative in residential and light commercial water heating applications.

Electric tankless water heaters are compact, on-demand heating systems that heat water directly as it flows through the unit, eliminating the need for a storage tank. These systems typically use high-powered electric heating elements combined with advanced temperature sensors and flow control technology to deliver consistent hot water with minimal energy loss. Their space-saving design and simplified installation make them suitable for apartments, single-family homes, offices, hotels, and small commercial facilities. Key applications include residential bathrooms, kitchen sinks, point-of-use installations, and commercial wash areas where reliable hot water supply is essential. Recent trends shaping demand include the rising adoption of energy-efficient appliances, growth in urban residential construction, and the increasing popularity of point-of-use water heating systems. In addition, manufacturers are introducing digital interfaces, Wi-Fi connectivity, and improved safety features, enabling greater control, monitoring, and efficiency for modern building environments.

Electric Tankless Water Heaters market outlook with forecast trends, drivers, opportunities, supply chain, and competition 2024-2034
Electric Tankless Water Heaters Market Outlook

Market Key Insights

  • The Electric Tankless Water Heaters market is projected to grow from $1.8 billion in 2024 to $4.2 billion in 2034. This represents a CAGR of 8.9%, reflecting rising demand across Residential Use, Commercial Use, and Industrial Use.

  • Rheem Manufacturing Company, A. O. Smith Corporation, Bosch Thermotechnology Corp. are among the leading players in this market, shaping its competitive landscape.

  • U.S. and China are the top markets within the Electric Tankless Water Heaters market and are expected to observe the growth CAGR of 6.5% to 9.3% between 2024 and 2030.

  • Emerging markets including Brazil, India and South Africa are expected to observe highest growth with CAGR ranging between 8.5% to 11.1%.

  • Transition like Transition from Storage Water Heaters to On-Demand Electric Heating Systems is expected to add $284 million to the Electric Tankless Water Heaters market growth by 2030.

  • The Electric Tankless Water Heaters market is set to add $2.4 billion between 2024 and 2034, with manufacturer targeting Commercial & Energy & Power Application projected to gain a larger market share.

  • With

    energy efficiency, and

    Advanced Technology, Electric Tankless Water Heaters market to expand 135% between 2024 and 2034.

electric tankless water heaters market size with pie charts of major and emerging country share, CAGR, trends for 2025 and 2032
Electric Tankless Water Heaters - Country Share Analysis

Opportunities in the Electric Tankless Water Heaters

Rapid urbanization across major Asian cities is also creating a strong opportunity for Electric Tankless Water Heaters in apartment renovation and retrofitting projects. Many older residential buildings are replacing bulky storage heaters with compact, wall-mounted tankless units that better fit space-constrained apartments. This trend is particularly visible in countries such as China, India, and South Korea, where urban housing upgrades are accelerating. Point-of-use electric tankless systems designed for bathrooms and kitchens are expected to experience the highest adoption due to easy installation, energy savings, and compatibility with modern residential electrical infrastructure.

Growth Opportunities in North America and Europe

North America's demand for electric tankless water heaters has skyrocketed given its strategic commitment to energy-efficiency and sustainable solutions. The stringent regulations imposed by governments to reduce energy consumption has made electric tankless water heaters a preferred choice among North American households. The region is characterized by fierce competition, with leading players such as EcoSmart and Rheem dominating the market. An increased focus on product innovation and customer-centric solutions, along with the trend towards smart homes equipped with IoT integration, are key drivers fueling the growth in this region. The residential sector, due to rising construction activities and a growing number of renovations, represents a significant opportunity in the North American market.
In Europe, the electric tankless water heaters market is gaining momentum driven by the increasing pursuit of energy-conserving appliances among European households. Germany, France, and the UK are dominant players in Europe's rising demand for electric tankless water heaters, supported by robust infrastructural development and eco-sustainability mandates. The competition landscape in Europe is marked by the active participation of global brands like Bosch and Siemens. The drivers boosting the market include a strong inclination towards green building initiatives, superior product offerings, and increased awareness about the cost-effectiveness of electric tankless water heaters.

Market Dynamics and Supply Chain

01

Driver: Rising Residential Electrification and Growing Preference for Energy Efficient Appliances

The accelerating shift toward residential electrification is also a significant driver for electric tankless water heaters. Governments and utilities are also promoting all electric homes to reduce dependence on fossil fuels, encouraging homeowners to replace gas fired systems with electric alternatives. This transition is also particularly visible in urban housing projects and green building developments where electrical infrastructure is also prioritized. At the same time, growing consumer awareness of energy efficiency is also reinforcing demand. Electric tankless systems eliminate standby heat losses associated with storage tanks, heating water only when required. also advances in high efficiency heating elements, smart flow sensors, and digital temperature modulation have also improved performance while lowering operational costs. The integration of these units with home energy management systems and rooftop solar installations further strengthens their appeal. Together, electrification policies and efficiency driven purchasing behavior are also creating sustained growth momentum in the residential segment.
The increasing demand for compact and modular hot water systems in commercial buildings is also another major market driver. Hotels, healthcare centers, educational institutions, and quick service restaurants require reliable and scalable hot water delivery without sacrificing valuable floor space. Electric tankless water heaters meet this requirement through wall mounted, modular configurations that can also be installed in cascades to match varying load conditions. Technological improvements in three phase systems and digital load balancing enable consistent temperature control during peak demand periods. Additionally, reduced maintenance needs and longer service life compared to conventional storage systems support lower lifecycle costs. As commercial infrastructure modernizes and prioritizes operational efficiency, these advanced tankless solutions are also gaining strong adoption across diverse end use sectors.
02

Restraint: High Upfront Costs and Installation Complexity Limit Adoption Among Budget-Conscious Users

Electric tankless water heaters often have higher upfront costs compared to traditional tank systems, posing a barrier for price sensitive residential and small commercial buyers. The specialized electrical infrastructure, such as upgrading panel capacity or wiring to support high kilowatt demand, increases installation complexity and expenses. For example, older homes may require costly electrical upgrades before a tankless system can be installed, delaying purchase decisions or diverting demand to cheaper storage alternatives. These cost hurdles can suppress short term revenue growth and reduce adoption rates, especially in emerging markets where installation expertise and financing options remain limited.
03

Opportunity: Expansion in Small Hospitality Businesses Seeking Compact Water Heating Solutions and Growing Demand from Energy-Efficient Smart Homes in North America

Small hospitality establishments represent an underpenetrated yet promising segment for electric tankless water heaters. Boutique hotels, guesthouses, cafés, and small restaurants increasingly require reliable hot water supply while minimizing energy costs and equipment space. Electric tankless systems offer continuous hot water without large storage tanks, making them suitable for compact commercial settings. Adoption is expected to grow strongly in tourism-driven regions of Southeast Asia and Southern Europe, where small hospitality businesses dominate the market. High-capacity point-of-use units designed for commercial kitchens and guest bathrooms are likely to experience the fastest expansion in this segment.
The expansion of smart home ecosystems is creating a niche growth opportunity for electric tankless water heaters in technologically advanced residential environments. Homeowners increasingly prefer connected appliances that can be remotely controlled and optimized for energy efficiency. In markets such as the United States and Canada, smart electric tankless units with digital thermostats, Wi-Fi connectivity, and app-based monitoring are gaining traction. Whole-house electric tankless models integrated with home automation platforms are expected to see the strongest growth, as they enable precise temperature management, reduced electricity consumption, and predictive maintenance capabilities.
04

Challenge: Grid Capacity Constraints and Performance Limitations Challenge Large Scale Deployment

In regions with limited grid capacity or unstable electrical infrastructure, electric tankless water heaters face practical restraints that hinder widespread market expansion. High instantaneous power draw during peak hot water demand can overload local circuits, leading to outages or reduced performance. Commercial facilities with simultaneous multi outlet needs may experience inconsistent temperature output unless costly three phase systems are deployed. For instance, facilities in areas with frequent voltage fluctuations may avoid electric tankless solutions, opting instead for gas fired or hybrid systems, thereby restraining segment growth and altering demand dynamics in power constrained markets.

Supply Chain Landscape

1

Raw Material Procurement

ArcelorMittalPOSCO
2

Manufacturing

Stiebel EltronBosch Thermotechnology
3

Distribution & Logistics

FergusonGrainger
4

End User

ResidentialCommercialIndustrial
Electric Tankless Water Heaters - Supply Chain

Use Cases of Electric Tankless Water Heaters in Residential Use & Commercial Use

Residential Use : In residential settings, electric tankless water heaters are increasingly preferred for their compact design and energy efficiency. Most homes use point of use or whole house electric tankless systems depending on household size and hot water demand. Point of use units are commonly installed under sinks or near showers to provide instant hot water to a single fixture, reducing heat loss and water wastage. Whole house models with higher kilowatt ratings are suitable for apartments and independent homes, ensuring continuous hot water for multiple outlets. Their on demand heating mechanism lowers standby energy losses, making them ideal for modern energy conscious households and smart home integrations.
Commercial Use : Commercial applications such as hotels, restaurants, offices, and healthcare facilities rely on high capacity electric tankless water heaters to meet consistent and simultaneous hot water requirements. In this segment, three phase electric tankless systems are widely used due to their ability to handle heavy flow rates and continuous operation. These systems are often installed in modular cascades to ensure redundancy and scalability. Their space saving design benefits facilities where mechanical room space is limited. Additionally, the precise temperature control and reduced maintenance requirements make them suitable for environments that demand hygiene, operational efficiency, and lower lifecycle costs.
Industrial Use : In industrial environments, electric tankless water heaters are deployed for process heating, equipment cleaning, and specialized manufacturing operations. Heavy duty and high kilowatt industrial grade tankless units are most commonly used, designed to deliver precise temperature output and withstand demanding operating conditions. Industries such as food processing, pharmaceuticals, and light manufacturing prefer these systems for their rapid heating response and consistent performance. Since they eliminate the need for large storage tanks, they reduce energy consumption and floor space utilization. Their ability to provide on demand hot water enhances productivity while supporting sustainability and energy management objectives.

Recent Developments

Recent developments in electric tankless water heaters show a clear shift toward energy efficient on demand hot water solutions driven by smart home integration and stricter energy codes. Manufacturers are focusing on compact retrofit systems, advanced smart controls, and predictive diagnostics to improve performance and reduce maintenance. A key trend is the adoption of IoT enabled units that allow remote temperature adjustment and usage tracking, enhancing user convenience and cost savings. This evolution is expanding market appeal across residential and light commercial segments.

February 2026 : Noritz America Corporation launched the Commercial One initiative at the 2026 AHR Expo to promote its expanding commercial tankless water heating portfolio, highlighting systems such as the NCC199 CDV Pro and multi-unit rack configurations designed for large commercial installations.
November 2025 : Rheem Manufacturing Company received industry recognition for its ProTerra hybrid electric water heater platform, reinforcing its strategic push toward high-efficiency electric water heating technologies and strengthening brand positioning in the electrification transition.

Impact of Industry Transitions on the Electric Tankless Water Heaters Market

As a core segment of the Power Generation industry, the Electric Tankless Water Heaters market develops in line with broader industry shifts. Over recent years, transitions such as Transition from Storage Water Heaters to On-Demand Electric Heating Systems and Transition Toward Electrification and Smart Energy Ecosystems have redefined priorities across the Power Generation sector, influencing how the Electric Tankless Water Heaters market evolves in terms of demand, applications and competitive dynamics. These transitions highlight the structural changes shaping long-term growth opportunities.
01

Transition from Storage Water Heaters to On-Demand Electric Heating Systems

A notable industry transition is the gradual shift from conventional storage water heaters to electric tankless water heaters across residential and light commercial buildings. As urban housing becomes more space-constrained and energy efficiency standards tighten, developers and property managers are favoring compact, on-demand heating solutions that reduce standby energy losses. This transition is influencing the building materials and plumbing components industries, where demand for compact piping systems and advanced flow control valves is rising. For example, apartment developers and modular housing manufacturers are integrating tankless systems to optimize space and energy consumption, which in turn is encouraging appliance manufacturers and smart home solution providers to design compatible digital temperature control and monitoring technologies.
02

Transition Toward Electrification and Smart Energy Ecosystems

Another key transition is the alignment of electric tankless water heaters with broader building electrification and smart energy ecosystems. As governments and utilities push for reduced reliance on gas appliances, electric tankless systems are becoming part of integrated energy-efficient homes powered by renewable electricity. This shift is impacting industries such as solar energy, home energy management, and electrical infrastructure. For instance, residential solar installers and battery storage providers are increasingly promoting electric tankless heaters as compatible appliances within solar-powered homes. Additionally, electrical component manufacturers are seeing increased demand for upgraded circuit protection, load management devices, and smart panels designed to support high-capacity electric appliances within connected buildings.