瞬間湯沸かし器の市場規模、シェア、成長分析：製品タイプ別、エンドユーザー別、地域別 - 産業予測 2025～2032年

瞬間湯沸かし器の世界市場規模は2023年に29億米ドルと評価され、2024年の31億1,000万米ドルから2032年には53億8,000万米ドルに成長し、予測期間（2025-2032年）のCAGRは7.1％で成長する見通しです。

世界の瞬間湯沸かし器市場は、エネルギー効率の高いソリューションとお湯への便利なアクセスに対する需要に牽引され、大きな成長を遂げています。都市化、ライフスタイルの進化、コンパクトな電化製品の必要性は、住宅および商業部門の両方で瞬間湯沸かし器の採用を推進する主な要因です。技術の進歩は、さらに加熱効率とユーザーの利便性を向上させ、環境持続可能性の意識の高まりは、消費者が従来のモデルと比較して待機エネルギー損失を低減するインスタントヒーターを好むように促します。しかし、水圧の安定性や地域による電力供給の違いといった課題が、市場浸透の妨げになる可能性があります。全体として、利便性、エネルギー効率、省スペース設計が重視される瞬間湯沸かし器市場は、家庭用および企業用の給湯技術を再構築するものと思われます。

目次

イントロダクション

• 調査の目的
• 調査範囲
• 定義

調査手法

• 情報調達
• 二次と一次データの方法
• 市場規模予測
• 市場の前提条件と制限

エグゼクティブサマリー

• 世界市場の見通し
• 供給と需要の動向分析
• セグメント別機会分析

市場力学と見通し

• 市場概要
• 市場規模
• 市場力学
  • 促進要因と機会
  • 抑制要因と課題
• ポーターの分析

主な市場の考察

• 重要成功要因
• 競合の程度
• 主な投資機会
• 市場エコシステム
• 市場の魅力指数（2024年）
• PESTEL分析
• マクロ経済指標
• バリューチェーン分析
• 価格分析
• 規制情勢
• ケーススタディ
• 技術の進歩
• 顧客と購買基準の分析
• 原材料の分析

瞬間湯沸かし器市場規模：製品タイプ別& CAGR（2025-2032）

• 市場概要
• 電気
• ガス
  • LPG
  • 天然ガス

瞬間湯沸かし器市場規模：エンドユーザー別& CAGR（2025-2032）

• 市場概要
• 住宅所有者
• ホテルとリゾート
• レストランとカフェ
• 病院と診療所
• ジムとスパ
• 学校と大学
• 産業用途
• その他

瞬間湯沸かし器市場規模：地域別& CAGR（2025-2032）

• 北米
  • 米国
  • カナダ
• 欧州
  • ドイツ
  • スペイン
  • フランス
  • 英国
  • イタリア
  • その他欧州地域
• アジア太平洋地域
  • 中国
  • インド
  • 日本
  • 韓国
  • その他アジア太平洋地域
• ラテンアメリカ
  • ブラジル
  • その他ラテンアメリカ地域
• 中東・アフリカ
  • GCC諸国
  • 南アフリカ
  • その他中東・アフリカ

競合情報

• 上位5社の比較
• 主要企業の市場ポジショニング（2024年）
• 主な市場企業が採用した戦略
• 最近の市場動向
• 企業の市場シェア分析（2024年）
• 主要企業の企業プロファイル
  • 企業の詳細
  • 製品ポートフォリオ分析
  • 企業のセグメント別シェア分析
  • 収益の前年比比較（2022-2024）

主要企業プロファイル

• Rinnai Corporation（Japan）
• A. O. Smith Corporation (United States)
• Ariston Thermo Group (Italy)
• Bosch Thermotechnology (Germany)
• Stiebel Eltron (Germany)
• Rheem Manufacturing Company (United States)
• Noritz Corporation (Japan)
• Bradford White Corporation (United States)
• Haier Group Corporation (China)
• Midea Group (China)
• Kenmore (United States)
• Eccotemp Systems (United States)
• Navien, Inc. (South Korea)
• Takagi Industrial Co., Ltd. (Japan)
• Atmor Industries Ltd. (Israel)
• Crompton Greaves Consumer Electricals Ltd. (India)
• Bajaj Electricals Ltd. (India)
• Havells India Ltd. (India)
• V-Guard Industries Ltd. (India)
• Quooker (Netherlands)

結論と提言

Global Instant Water Heater Market size was valued at USD 2.9 billion in 2023 and is poised to grow from USD 3.11 billion in 2024 to USD 5.38 billion by 2032, growing at a CAGR of 7.1% during the forecast period (2025-2032).

The global instant water heater market is experiencing significant growth, driven by the demand for energy-efficient solutions and convenient access to hot water. Urbanization, evolving lifestyles, and the need for compact appliances are key factors propelling the adoption of instant water heaters in both residential and commercial sectors. Technological advancements further enhance heating efficiency and user convenience, while rising awareness of environmental sustainability prompts consumers to prefer instant heaters that reduce standby energy losses compared to traditional models. However, challenges such as inconsistent water pressure and regional power supply variations may hinder market penetration. Overall, with a strong emphasis on convenience, energy efficiency, and space-saving designs, the instant water heater market is set to reshape water heating technology for homes and businesses alike.

Top-down and bottom-up approaches were used to estimate and validate the size of the Global Instant 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 Instant Water Heater Market Segments Analysis

Global Instant Water Heater Market is segmented by Product Type, End Users and region. Based on Product Type, the market is segmented into Electric and Gas. Based on End Users, the market is segmented into Residential Homeowners, Hotels and Resorts, Restaurants and Cafes, Hospitals and Clinics, Gyms and Spas, Schools and Universities, Industrial Applications, and Others. Based on region, the market is segmented into North America, Europe, Asia Pacific, Latin America and Middle East & Africa.

Driver of the Global Instant Water Heater Market

One of the key factors propelling the Global Instant Water Heater market is the increasing focus on energy efficiency and convenience. These innovative appliances provide an effective solution by heating water on demand, thereby eliminating the necessity for hot water storage and significantly lowering energy costs. This on-demand capability aligns seamlessly with contemporary living standards, offering immediate access to hot water while minimizing wastage. As both consumers and industries place a higher priority on sustainable, energy-efficient alternatives, the demand for instant water heaters is experiencing substantial growth, driving further innovation and adoption in the market.

Restraints in the Global Instant Water Heater Market

A significant constraint facing the global instant water heater market is the higher initial cost associated with these units when compared to traditional storage water heaters. Although the long-term energy savings might surpass this initial expenditure, the steep upfront price could dissuade potential buyers, especially in price-sensitive regions or among consumers with constrained financial resources. This financial barrier can limit market penetration, as many consumers prioritize affordability in their purchasing decisions, leading them to opt for the more established and less expensive alternatives available. Consequently, addressing this price sensitivity is crucial for expanding the market presence of instant water heaters.

Market Trends of the Global Instant Water Heater Market

The Global Instant Water Heater market is experiencing a significant trend towards the incorporation of smart and connected appliances, leveraging the potential of the Internet of Things (IoT). This integration allows consumers to remotely manage and monitor their water heaters through smartphone applications and home automation systems, enhancing convenience and control. Smart instant water heaters not only provide energy-saving benefits but also offer personalized settings and real-time maintenance alerts, further appealing to tech-savvy consumers. As demand for innovative and efficient household solutions grows, manufacturers are prioritizing the development of these advanced features to improve user experience and meet changing consumer preferences.

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, 2024
• PESTEL Analysis
• Macro-Economic Indicators
• Value Chain Analysis
• Pricing Analysis
• Regulatory Landscape
• Case Studies
• Technological Advancement
• Customer & Buying Criteria Analysis
• Raw Material Analysis

Global Instant Water Heater Market Size by Product Type & CAGR (2025-2032)

• Market Overview
• Electric
• Gas
  • LPG
  • Natural Gas

Global Instant Water Heater Market Size by End Users & CAGR (2025-2032)

• Market Overview
• Residential Homeowners
• Hotels and Resorts
• Restaurants and Cafes
• Hospitals and Clinics
• Gyms and Spas
• Schools and Universities
• Industrial Applications
• Others

Global Instant Water Heater Market Size & CAGR (2025-2032)

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

Competitive Intelligence

• Top 5 Player Comparison
• Market Positioning of Key Players, 2024
• Strategies Adopted by Key Market Players
• Recent Developments in the Market
• Company Market Share Analysis, 2024
• Company Profiles of All Key Players
  • Company Details
  • Product Portfolio Analysis
  • Company's Segmental Share Analysis
  • Revenue Y-O-Y Comparison (2022-2024)

Key Company Profiles

• Rinnai Corporation (Japan)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• A. O. Smith Corporation (United States)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Ariston Thermo Group (Italy)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Bosch Thermotechnology (Germany)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Stiebel Eltron (Germany)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Rheem Manufacturing Company (United States)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Noritz Corporation (Japan)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Bradford White Corporation (United States)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Haier Group Corporation (China)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Midea Group (China)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Kenmore (United States)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Eccotemp Systems (United States)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Navien, Inc. (South Korea)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Takagi Industrial Co., Ltd. (Japan)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Atmor Industries Ltd. (Israel)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Crompton Greaves Consumer Electricals Ltd. (India)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Bajaj Electricals Ltd. (India)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Havells India Ltd. (India)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• V-Guard Industries Ltd. (India)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments
• Quooker (Netherlands)
  • Company Overview
  • Business Segment Overview
  • Financial Updates
  • Key Developments

Conclusion & Recommendations