無水箱熱水器市場規模、佔有率和成長分析（按產品類型、安裝方式、技術、功能、應用、流量和地區分類）－2026-2033年產業預測

全球即熱式熱水器市場規模預計在 2024 年達到 47 億美元，從 2025 年的 51.3 億美元成長到 2033 年的 103.7 億美元，在預測期（2026-2033 年）內複合年成長率為 9.2%。

隨著環保意識的增強，消費者對節能解決方案的需求日益成長，無水箱熱水器的需求也隨之增加。與傳統的儲水式熱水器不同，無水箱熱水器能夠大幅降低消費量，效率提升可達34%。其優勢在於緊湊的設計，無需笨重的水箱，即可在需要時立即提供熱水，避免了持續加熱造成的能源浪費，使其成為小戶型的理想之選。雖然初始成本較高，但長期來看，每年可節省100至200美元的能源費用，加上其更長的保固期和使用壽命，使其成為一項極具吸引力的投資。這種向無水箱熱水器的轉變與消費者對永續生活方式日益增強的意識和偏好不謀而合，預示著該市場擁有強勁的成長潛力。

全球無水箱熱水器市場促進因素

無水箱熱水器日益普及的原因在於其卓越的能源效率。這類系統僅在需要時才加熱水，與傳統儲水式熱水器相比，可顯著節能24%至34%。這項特性尤其吸引注重環保、重視降低能源帳單和長期經濟效益的消費者。隨著節能解決方案的趨勢不斷增強，人們希望在最佳化家庭能源消耗的同時最大限度地減少對環境的影響，這推動了市場對這些創新熱水產品的強勁需求。

限制全球無水箱熱水器市場的因素

全球即熱式熱水器市場面臨的主要挑戰之一是其安裝成本遠高於傳統熱水系統。雖然即熱式熱水器能夠帶來長期的節能效益，但其高昂的初始成本可能會讓潛在客戶望而卻步。此外，安裝過程通常需要對現有電路和管道進行改造，進一步增加了初始投資。如此高的初始價格分佈可能會阻礙消費者選擇無水箱熱水器，從而抑制市場整體成長。因此，無水箱熱水器價格較高的普遍認知限制了其在注重預算的消費者中的普及。

全球即熱式熱水器市場趨勢

隨著消費者在家中擴大使用智慧家庭技術，全球即熱式熱水器市場對智慧功能的需求顯著成長。這種成長源自於消費者對更高便利性和能源效率的追求，促使製造商將溫度監控、智慧型手機控制和Wi-Fi連接等功能整合到產品中。由於住宅越來越重視對熱水系統的無縫控制並尋求最佳化能源消耗，配備智慧技術的即熱式熱水器正成為他們的首選。這項轉變凸顯了市場對符合智慧家庭發展趨勢的創新解決方案的普遍偏好。

目錄

介紹

• 調查目標
• 調查範圍
• 定義

調查方法

• 資訊收集
• 二手資料和一手資料方法
• 市場規模預測
• 市場假設與限制

執行摘要

• 全球市場展望
• 供需趨勢分析
• 細分市場機會分析

市場動態與展望

• 市場規模
• 市場動態
  • 促進因素和機遇
  • 限制與挑戰
• 波特分析

關鍵市場考察

• 關鍵成功因素
• 競爭程度
• 關鍵投資機會
• 市場生態系統
• 市場吸引力指數（2025）
• PESTEL 分析
• 總體經濟指標
• 價值鏈分析
• 定價分析

全球即熱式熱水器市場規模（按產品類型和複合年成長率分類）（2026-2033 年）

• 電動式的
• 氣體類型

全球無水箱熱水器市場規模（按安裝量和複合年成長率分類）（2026-2033 年）

• 室內安裝
• 戶外安裝

全球無水箱熱水器市場規模（依技術及複合年成長率分類）（2026-2033 年）

• 冷凝技術
• 非冷凝技術

全球無水箱熱水器市場規模（按功能和複合年成長率分類）（2026-2033 年）

• 手動輸入
• 遙控操作

全球無水箱熱水器市場規模（按應用領域及複合年成長率分類）（2026-2033 年）

• 住宅
• 商業的

全球無水箱熱水器市場規模（按流量和複合年成長率分類）（2026-2033 年）

• 高的
• 低的

全球即熱式熱水器市場規模及複合年成長率（2026-2033）

• 北美洲
  • 美國
  • 加拿大
• 歐洲
  • 德國
  • 西班牙
  • 法國
  • 英國
  • 義大利
  • 其他歐洲地區
• 亞太地區
  • 中國
  • 印度
  • 日本
  • 韓國
  • 亞太其他地區
• 拉丁美洲
  • 巴西
  • 其他拉丁美洲地區
• 中東和非洲
  • 海灣合作理事會國家
  • 南非
  • 其他中東和非洲地區

競爭資訊

• 前五大公司對比
• 主要企業的市場定位（2025 年）
• 主要市場參與者所採取的策略
• 近期市場趨勢
• 公司市佔率分析（2025 年）
• 主要企業公司簡介
  • 公司詳情
  • 產品系列分析
  • 依業務板塊進行公司股票分析
  • 2023-2025年營收年比比較

主要企業簡介

• Rheem Manufacturing Company（USA）
• AO Smith Corporation（USA）
• Navien, Inc.（South Korea）
• Rinnai Corporation（Japan）
• Bosch Thermotechnology（Germany）
• Noritz Corporation（Japan）
• Takagi Industrial Co., Ltd.（Japan）
• Eemax, Inc.（USA）
• Stiebel Eltron GmbH & Co. KG（Germany）
• Bradford White Corporation（USA）
• Eccotemp Systems LLC（USA）
• Titan（USA）
• Thermomax Ltd.（Ireland）
• Ariston Thermo Group（Italy）
• Vokera Ltd（UK）
• Chronomite Laboratories, Inc.（USA）
• Marey International LLC（Puerto Rico/USA）
• Hyundae Electronics Industries Co., Ltd.（South Korea）
• Ferroli SpA（Italy）
• Paloma Industries, Ltd.（Japan）

結論與建議

Global Tankless Water Heater Market size was valued at USD 4.7 Billion in 2024 and is poised to grow from USD 5.13 Billion in 2025 to USD 10.37 Billion by 2033, growing at a CAGR of 9.2% during the forecast period (2026-2033).

The demand for tankless water heaters is on the rise, propelled by a growing number of eco-conscious consumers seeking energy-efficient solutions. Unlike traditional storage models, tankless water heaters significantly reduce energy consumption, often achieving up to 34% greater efficiency. Their appeal lies in their compact design, making them ideal for smaller spaces, as they eliminate the need for bulky tanks and provide hot water on demand, thus preventing wasteful constant heating. While the initial cost may be higher, the long-term savings on utility bills-estimated at $100 to $200 annually-along with extended warranties and lifespans, make them an attractive investment. This shift towards tankless systems aligns with increasing consumer awareness and preference for sustainable living solutions, indicating robust market growth potential.

Top-down and bottom-up approaches were used to estimate and validate the size of the Global Tankless Water Heater market and to estimate the size of various other dependent submarkets. The research methodology used to estimate the market size includes the following details: The key players in the market were identified through secondary research, and their market shares in the respective regions were determined through primary and secondary research. This entire procedure includes the study of the annual and financial reports of the top market players and extensive interviews for key insights from industry leaders such as CEOs, VPs, directors, and marketing executives. All percentage shares split, and breakdowns were determined using secondary sources and verified through Primary sources. All possible parameters that affect the markets covered in this research study have been accounted for, viewed in extensive detail, verified through primary research, and analyzed to get the final quantitative and qualitative data.

Global Tankless Water Heater Market Segments Analysis

Global Tankless Water Heater Market is segmented by Product Type, Installation, Technology, Feature, Application, Flow Rate and region. Based on Product Type, the market is segmented into Electric and Gas. Based on Installation, the market is segmented into Indoor and Outdoor. Based on Technology, the market is segmented into Condensing Technology and Non-condensing Technology. Based on Feature, the market is segmented into Manual and Remote Control. Based on Application, the market is segmented into Residential and Commercial. Based on Flow Rate, the market is segmented into High and Low. Based on region, the market is segmented into North America, Europe, Asia Pacific, Latin America and Middle East & Africa.

Driver of the Global Tankless Water Heater Market

The rising popularity of tankless water heaters can be attributed to their exceptional energy efficiency. These systems heat water on demand, resulting in significant energy savings of 24% to 34% compared to traditional tank heaters. This feature appeals particularly to environmentally conscious consumers who are eager to lower their energy bills and embrace long-term financial advantages. As the trend toward energy-efficient solutions continues to gain momentum, the market is experiencing increased demand for these innovative heating products, driven by the desire to both minimize environmental impact and optimize household energy consumption.

Restraints in the Global Tankless Water Heater Market

One of the primary challenges facing the global tankless water heater market is the higher installation costs compared to conventional water heating systems. Although tankless water heaters can lead to long-term savings, the upfront expenses may deter potential customers. Additionally, the installation process often necessitates alterations to existing electrical and plumbing setups, further increasing the initial investment. This higher initial price point can dissuade consumers from choosing tankless options, consequently hindering the overall growth of the market. As a result, the perception of tankless systems as a more costly alternative limits their adoption among budget-conscious buyers.

Market Trends of the Global Tankless Water Heater Market

The Global Tankless Water Heater market is witnessing a significant trend towards smart features, as consumers increasingly embrace connected technologies in their homes. This surge in demand is fueled by the desire for enhanced convenience and energy efficiency, prompting manufacturers to integrate capabilities such as temperature monitoring, smartphone controls, and Wi-Fi connectivity into their products. As homeowners prioritize seamless control over their water heating systems and seek to optimize energy consumption, tankless water heaters equipped with smart technology are becoming a preferred choice. This shift highlights a broader market inclination towards innovative solutions that align with the growing smart home movement.

Table of Contents

Introduction

• Objectives of the Study
• Scope of the Report
• Definitions

Research Methodology

• Information Procurement
• Secondary & Primary Data Methods
• Market Size Estimation
• Market Assumptions & Limitations

Executive Summary

• Global Market Outlook
• Supply & Demand Trend Analysis
• Segmental Opportunity Analysis

Market Dynamics & Outlook

• Market Overview
• Market Size
• Market Dynamics
  • Drivers & Opportunities
  • Restraints & Challenges
• Porters Analysis
  • Competitive rivalry
  • Threat of substitute
  • Bargaining power of buyers
  • Threat of new entrants
  • Bargaining power of suppliers

Key Market Insights

• Key Success Factors
• Degree of Competition
• Top Investment Pockets
• Market Ecosystem
• Market Attractiveness Index, 2025
• PESTEL Analysis
• Macro-Economic Indicators
• Value Chain Analysis
• Pricing Analysis

Global Tankless Water Heater Market Size by Product Type & CAGR (2026-2033)

• Market Overview
• Electric
• Gas

Global Tankless Water Heater Market Size by Installation & CAGR (2026-2033)

• Market Overview
• Indoor
• Outdoor

Global Tankless Water Heater Market Size by Technology & CAGR (2026-2033)

• Market Overview
• Condensing Technology
• Non-condensing Technology

Global Tankless Water Heater Market Size by Feature & CAGR (2026-2033)

• Market Overview
• Manual
• Remote Control

Global Tankless Water Heater Market Size by Application & CAGR (2026-2033)

• Market Overview
• Residential
• Commercial

Global Tankless Water Heater Market Size by Flow Rate & CAGR (2026-2033)

• Market Overview
• High
• Low

Global Tankless Water Heater Market Size & CAGR (2026-2033)

• North America (Product Type, Installation, Technology, Feature, Application, Flow Rate)
  • US
  • Canada
• Europe (Product Type, Installation, Technology, Feature, Application, Flow Rate)
  • Germany
  • Spain
  • France
  • UK
  • Italy
  • Rest of Europe
• Asia Pacific (Product Type, Installation, Technology, Feature, Application, Flow Rate)
  • China
  • India
  • Japan
  • South Korea
  • Rest of Asia-Pacific
• Latin America (Product Type, Installation, Technology, Feature, Application, Flow Rate)
  • Brazil
  • Rest of Latin America
• Middle East & Africa (Product Type, Installation, Technology, Feature, Application, Flow Rate)
  • GCC Countries
  • South Africa
  • Rest of Middle East & Africa

Competitive Intelligence

• Top 5 Player Comparison
• Market Positioning of Key Players, 2025
• Strategies Adopted by Key Market Players
• Recent Developments in the Market
• Company Market Share Analysis, 2025
• Company Profiles of All Key Players
  • Company Details
  • Product Portfolio Analysis
  • Company's Segmental Share Analysis
  • Revenue Y-O-Y Comparison (2023-2025)

Key Company Profiles

• Rheem Manufacturing Company (USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• A. O. Smith Corporation (USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Navien, Inc. (South Korea)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Rinnai Corporation (Japan)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Bosch Thermotechnology (Germany)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Noritz Corporation (Japan)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Takagi Industrial Co., Ltd. (Japan)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Eemax, Inc. (USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Stiebel Eltron GmbH & Co. KG (Germany)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Bradford White Corporation (USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Eccotemp Systems LLC (USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Titan (USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Thermomax Ltd. (Ireland)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Ariston Thermo Group (Italy)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Vokera Ltd (UK)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Chronomite Laboratories, Inc. (USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Marey International LLC (Puerto Rico/USA)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Hyundae Electronics Industries Co., Ltd. (South Korea)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Ferroli S.p.A. (Italy)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Paloma Industries, Ltd. (Japan)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments

Conclusion & Recommendations