米国の室内空気質（IAQ）市場

Report Highlights

The U.S. indoor air quality (IAQ) market was valued at $10.2 billion in 2023. It is expected to grow from $10.5 billion in 2024 to $12.9 billion by 2029, at a compound annual growth rate (CAGR) of 4.3% from 2024 through 2029.

米国の室内空気質（IAQ）市場は、2023年に102億ドルと評価されました。2024年から2029年にかけて年平均成長率（CAGR）4.3%で成長し、2024年の105億ドルから2029年には129億ドルに成長すると予想されています。

Summary:

IAQ refers to the air quality in and around buildings, especially concerning the health and comfort of building occupants. Exposure to indoor air pollutants poses a severe health threat. According to the Environmental Protection Agency (EPA), pollutant concentrations in the indoor environment may be two to five times higher than outdoors, and most people spend around 90% of their time indoors. The EPA’s Science Advisory Board has consistently ranked indoor air pollution among the top five environmental risks to public health. Poor IAQ is one of the top major public health risks, and it is largely unregulated by federal and most state governments. More than 50 organizations, including the World Health Organization (WHO), across 38 countries, have established IAQ guidelines. For instance, in February 2024, the EPA strengthened the National Ambient Air Quality Standards (NAAQS) for particulate matter (PM) 2.5 micrometers and smaller (PM2.5) to 9.0 μg/m³ to provide increased public health protection.

IAQ とは、建物内および建物周辺の空気の質、特に建物居住者の健康と快適性に関することを指します。屋内の空気汚染物質への曝露は、深刻な健康上の脅威となります。米国環境保護庁 (EPA) によると、屋内環境の汚染物質濃度は屋外の 2 ～ 5 倍になる可能性があり、ほとんどの人は時間の約 90% を屋内で過ごします。EPA の科学諮問委員会は、屋内の空気汚染を一貫して公衆衛生に対する環境リスクの上位 5 つにランク付けしています。劣悪な IAQ は主要な公衆衛生リスクの 1 つであり、連邦政府およびほとんどの州政府によってほとんど規制されていません。世界保健機関 (WHO) を含む 38 か国 50 を超える組織が IAQ ガイドラインを策定しています。たとえば、2024 年 2 月、EPA は公衆衛生保護を強化するために、粒子状物質 (PM) 2.5 マイクロメートル以下 (PM2.5) の国家大気環境基準 (NAAQS) を 9.0 μg/m³ に強化しました。

In the U.S., poor IAQ can be caused by humidity levels, inadequate ventilation, pets, dust, and volatile organic compounds (VOCs). In general, the most effective method to enhance IAQ is to mitigate pollution sources or reduce household emissions, increase the amount of outdoor air coming inside through improved ventilation systems, and use appropriate air cleaners. Also, changing air conditioning filters, maintaining air ducts, using cooking vents, maintaining humidity, using high-efficiency particulate air (HEPA) filters, and using air purifiers can improve air quality in indoor spaces.

米国では、湿度、換気不足、ペット、ほこり、揮発性有機化合物 (VOC) が IAQ の低下の原因となることがあります。一般的に、IAQ を向上させる最も効果的な方法は、汚染源を軽減するか家庭からの排出物を減らし、換気システムを改善して屋外の空気を室内に取り込む量を増やし、適切な空気清浄機を使用することです。また、エアコンのフィルターの交換、エアダクトのメンテナンス、調理用換気口の使用、湿度の維持、高効率微粒子空気 (HEPA) フィルターの使用、空気清浄機の使用によって、室内の空気の質を改善できます。

Several air purifiers can eliminate indoor air pollutants. Air pollutants can be detected with more precise, efficient and compact sensors using environmental sensing technology. Soon, indoor air pollution may also be controlled through nanotechnology, which works by trapping or destroying indoor contaminants on a molecular level. For instance, in July 2024, the U.S. Food and Drug Administration (FDA) granted an additional 510(k) clearance to Kronos Advanced Technologies Inc.’s flagship product, Kronos Model 8, classifying it as a Class II Medical Device. It utilizes patented High Voltage Field air disinfection technology that can remove contaminants and allergens up to 14.6 nanometers (0.0146 microns), which is 20 times smaller than HEPA filters.

Report Synopsis

Report Includes

– 19 data tables and 51 additional tables

– An updated overview and in-depth analysis of the U.S. market for indoor air quality (IAQ) products and services

– Analyses of the market trends, with sales data for 2023, estimates for 2024, forecasts for 2025, 2027, and projections of compound annual growth rates (CAGRs) through 2029

– Estimation of the actual market size and revenue forecasts for the U.S. indoor air quality market, and corresponding market share analysis by type, product segments, end-use industry, and region

– Discussion of the major factors driving the growth of IAQ industry, history and importance, market trends and environment, regulatory concerns, and the effects of IAQ contaminants

– Analysis of the market opportunities with a holistic study of Porter’s Five Forces model and supply chain analysis of the IAQ industry considering both the micro and macro environmental factors prevailing in the marketplace

– Insight into the recent industry structure for indoor air quality market, government regulations and standards, key development issues, and the vendor landscape and operational integration

– Analysis of the key patent grants and intellectual property aspects of the market

– A discussion on ESG challenges and practices of the industry

– Competitive landscape featuring the leading manufacturers of IAQ products in U.S., their current ranking and company share analysis, along with the latest key developments within the industry

– Profiles of the leading market players, including Carrier, Daikin Industries Ltd., Honeywell International Inc., Johnson Controls and Trane Technologies Plc.

Table of Contents

Chapter 1 Executive Summary

Market Outlook

Scope of Report

Market Summary

Market Dynamics and Growth

Segmental Analysis

Regional Insights and Emerging Markets

Conclusion

Chapter 2 Market Overview

Market Overview and Future Scenarios

Supply Chain Analysis

Raw Material Suppliers

Component Providers

Technology and Systems Integrators

IAQ Manufacturers

End Users

Porter’s Five Forces Analysis for the U.S. IAQ Market

Bargaining Power of Buyers

Bargaining Power of Suppliers

Potential for New Entrants to the Market

Competition in the Industry

Threat of Substitutes

Macro-Economic Factors Analysis

U.S. Per Capita Spending on Health

U.S. Gross Domestic Product

Growing Investment in the Construction Sector

Regulatory Outlook

Clean Air Act

Building Codes and Certifications

Recent Developments in Regulatory Framework

Prospects in Regulations

Case Studies for IAQ Projects in the U.S.

City of Oviedo Healthy Buildings

Richmond School District, Wisconsin

Chapter 3 Market Dynamics

Overview

Market Drivers

Supportive Government Regulations for IAQ

Consumer Awareness of the need for IAQ Products

Increase in Indoor Air Pollution

Market Restraints

Initial Cost of IAQ Products

Lack of Standardization

Market Opportunities

Technological Developments in IAQ Products

Expansion of the Industrial Sector

Market Trends

Smart Technologies for Monitoring IAQ

Supportive Investments and Program Grants

Short- and Long-Term Impacts of Market Dynamics

Chapter 4 Emerging Technologies and Developments

Overview

Emerging Technologies/Applications

Home Automation for Improving Air Quality

Advances in Air Purification Technologies

Integration of IoT in IAQ Products

Integration of AI and ML

Patent Analysis

Overview

Key Patents

Takeaways

Chapter 5 Market Segmentation Analysis

Segmentation Breakdown

Takeaways

U.S. IAQ Market, by Type

Equipment

Services

U.S. IAQ Market, by Product Type

Takeaways

Air Purifiers

Humidifiers

Ventilation Systems

Air Filters

Dehumidifiers

Ultraviolet Lamps

Carbon Monoxide Alarms

U.S. IAQ Market, by End-Use Industry

Takeaways

Residential

Commercial

Industrial

Others

Geographic Breakdown

Takeaways

U.S. IAQ Market, by Region

South

West

Midwest

Northeast

Chapter 6 Competitive Intelligence

Overview

Market Share Analysis

Company Strategy and Product Portfolio Matrix

Product Mapping Analysis

Strategy and Financial Performance Analysis

Recent Developments

Chapter 7 Sustainability in the U.S. IAQ Market: An ESG Perspective

Overview

Environmental Impact

Social Impact

Governance Impact

Status of ESG in the U.S. IAQ Industry

Case Study: Examples of Successful Implementation of ESG

Honeywell International Inc.

Johnson Controls

Carrier

Consumer Attitudes Towards ESG

Concluding Remarks from BCC

Chapter 8 Appendix

Methodology

Research Steps

References

Abbreviations

Company Profiles

APRILAIRE

BEYOND BY AERUS

BLUEAIR

CAMFIL

CARRIER

DAIKIN INDUSTRIES LTD.

HONEYWELL INTERNATIONAL INC.

JOHNSON CONTROLS

LENNOX INTERNATIONAL INC.

MANN+HUMMEL

PANASONIC CORP.

RECTORSEAL

RGF ENVIRONMENTAL GROUP INC.

RHEEM MANUFACTURING CO.

TRANE TECHNOLOGIES PLC.

Small and Emerging Players in the U.S. Indoor Air Quality Market

List of Tables

Summary Table A : U.S. IAQ Market, by Region, Through 2029

Summary Table B : U.S. IAQ Market Volume, by Region, Through 2029

Table 1 : Recent Developments in Regulatory Frameworks, February 2023–April 2024

Table 2 : Impact of Market Drivers

Table 3 : Impact of Market Opportunities

Table 4 : Impact of Market Restraints

Table 5 : Active Patents for IAQ Products, January 2023–December 2024

Table 6 : Active Patents for IAQ Products in the U.S., 2023 and 2024

Table 7 : U.S. IAQ Market, by Type, Through 2029

Table 8 : U.S. IAQ Market Volume, by Type, Through 2029

Table 9 : U.S. IAQ Market, by Product Type, Through 2029

Table 10 : U.S. IAQ Market Volume, by Product Type, Through 2029

Table 11 : U.S. IAQ Market, by End-Use Industry, Through 2029

Table 12 : U.S. IAQ Market Volume, by End-Use Industry, Through 2029

Table 13 : U.S. IAQ Market, by Region, Through 2029

Table 14 : U.S. IAQ Market Volume, by Region, Through 2029

Table 15 : Company Strategies and Product Portfolios in the U.S. IAQ Market, 2023

Table 16 : Product Mapping Analysis of U.S. IAQ Market, by Product Type, 2023

Table 17 : Product Introductions in the U.S. IAQ Market, 2022–2024

Table 18 : Recent Developments in the U.S. IAQ Market, 2024

Table 19 : ESG Risk Ratings, by Company, 2024

Table 20 : Sustainability Performance, by Johnson Controls in 2023

Table 21 : Abbreviations Used in the Report

Table 22 : AprilAire: Company Snapshot

Table 23 : AprilAire: Product Portfolio

Table 24 : AprilAire: News/Key Developments, 2023 and 2024

Table 25 : Beyond by Aerus: Company Snapshot

Table 26 : Beyond by Aerus: Product Portfolio

Table 27 : Blueair: Company Snapshot

Table 28 : Blueair: Product Portfolio

Table 29 : Camfil: Company Snapshot

Table 30 : Camfil: Product Portfolio

Table 31 : Camfil: News/Key Developments, 2024

Table 32 : Carrier: Company Snapshot

Table 33 : Carrier: Financial Performance, FY 2022 and 2023

Table 34 : Carrier: Product Portfolio

Table 35 : Daikin Industries Ltd.: Company Snapshot

Table 36 : Daikin Industries Ltd.: Financial Performance, FY 2022 and 2023

Table 37 : Daikin Industries Ltd.: Product Portfolio

Table 38 : Daikin Industries Ltd.: News/Key Developments, 2023

Table 39 : Honeywell International Inc.: Company Snapshot

Table 40 : Honeywell International Inc.: Financial Performance, FY 2022 and 2023

Table 41 : Honeywell International Inc.: Product Portfolio

Table 42 : Honeywell International Inc.: News/Key Developments, 2022

Table 43 : Johnson Controls: Company Snapshot

Table 44 : Johnson Controls: Financial Performance, FY 2023 and 2024

Table 45 : Johnson Controls: Product Portfolio

Table 46 : Johnson Controls: News/Key Developments, 2022

Table 47 : Lennox International Inc.: Company Snapshot

Table 48 : Lennox International Inc.: Financial Performance, FY 2022 and 2023

Table 49 : Lennox International Inc.: Product Portfolio

Table 50 : Lennox International Inc.: News/Key Developments, 2023

Table 51 : Mann+Hummel: Company Snapshot

Table 52 : Mann+Hummel: Financial Performance, FY 2022 and 2023

Table 53 : Mann+Hummel: Product Portfolio

Table 54 : Mann+Hummel: News/Key Developments, 2023

Table 55 : Panasonic Corp.: Company Snapshot

Table 56 : Panasonic Corp.: Financial Performance, FY 2022 and 2023

Table 57 : Panasonic Corp.: Product Portfolio

Table 58 : RectorSeal: Company Snapshot

Table 59 : RectorSeal: Product Portfolio

Table 60 : RGF Environmental Group Inc.: Company Snapshot

Table 61 : RGF Environmental Group Inc.: Product Portfolio

Table 62 : RGF Environmental Group Inc.: News/Key Developments, 2024

Table 63 : Rheem Manufacturing Co.: Company Snapshot

Table 64 : Rheem Manufacturing Co.: Product Portfolio

Table 65 : Trane Technologies Plc.: Company Snapshot

Table 66 : Trane Technologies Plc.: Financial Performance, FY 2022 and 2023

Table 67 : Trane Technologies Plc.: Product Portfolio

Table 68 : Small and Emerging Players in the U.S. Indoor Air Quality Market

List of Figures

Summary Figure A : Share of U.S. IAQ Market, by Region, 2023

Summary Figure B : Share of U.S. IAQ Market Volume, by Region, 2023

Figure 1 : Supply Chain for the U.S. IAQ Market

Figure 2 : Porter’s Five Forces Model for the U.S. IAQ Market

Figure 3 : Growth in Health Expenditures Compared to Per Capita Spending in the U.S., 2021–2023

Figure 4 : Trends in Average Annual Consumer Expenditures Compared to GDP Growth in the U.S., 2020–2023

Figure 5 : U.S. Indoor Air Quality Market Dynamics

Figure 6 : PM2.5 Concentrations in Major U.S. Cities, 2022 and 2023

Figure 7 : Share of Patents in the U.S. IAQ Market, by Leading Manufacturers, 2023

Figure 8 : Share of U.S. IAQ Market, by Type, 2023

Figure 9 : Share of U.S. IAQ Market Volume, by Type, 2023

Figure 10 : Share of U.S. IAQ Market, by Product Type, 2023

Figure 11 : Share of U.S. IAQ Market Volume, by Product Type, 2023

Figure 12 : Share of U.S. IAQ Market, by End-Use Industry, 2023

Figure 13 : Share of U.S. IAQ Market Volume, by End-Use Industry, 2023

Figure 14 : Share of U.S. IAQ Market, by Region, 2023

Figure 15 : Share of U.S. IAQ Market Volume, by Region, 2023

Figure 16 : Wildland Fires in Three Southern States, 2022 and 2023

Figure 17 : Share of the U.S. IAQ Market, by Company, 2023

Figure 18 : Strategy and Financial Performance Analysis, U.S. IAQ Market, 2023

Figure 19 : Carrier: Revenue Share, by Business Unit, FY 2023

Figure 20 : Carrier: Revenue Share, by Country/Region, FY 2023

Figure 21 : Daikin Industries Ltd.: Revenue Share, by Business Unit, FY 2023

Figure 22 : Daikin Industries Ltd.: Revenue Share, by Country/Region, FY 2023

Figure 23 : Honeywell International Inc.: Revenue Share, by Business Unit, FY 2023

Figure 24 : Honeywell International Inc.: Revenue Share, by Country/Region, FY 2023

Figure 25 : Johnson Controls: Revenue Share, by Business Unit, FY 2024

Figure 26 : Johnson Controls: Revenue Share, by Country/Region, FY 2024

Figure 27 : Lennox International Inc.: Revenue Share, by Business Unit, FY 2023

Figure 28 : Lennox International Inc.: Revenue Share, by Country/Region, FY 2023

Figure 29 : Mann+Hummel: Revenue Share, by Business Unit, FY 2023

Figure 30 : Mann+Hummel: Revenue Share, by Country/Region, FY 2023

Figure 31 : Panasonic Corp.: Revenue Share, by Business Unit, FY 2023

Figure 32 : Panasonic Corp.: Revenue Share, by Country/Region, FY 2023

Figure 33 : Trane Technologies Plc.: Revenue Share, by Business Unit, FY 2023

Figure 34 : Trane Technologies Plc.: Revenue Share, by Country/Region, FY 2023

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