Dedicated Outdoor Air System (DOAS) Market Size and Share Forecast Outlook From 2025 to 2035

The dedicated outdoor air system (DOAS) market is projected to grow significantly, with an estimated market size of USD 5.23 billion in 2025, expected to reach USD 12.39 billion by 2035. The market is anticipated to register a compound annual growth rate (CAGR) of 9%.

This growth is largely driven by the increasing demand for energy-efficient HVAC systems in both commercial and residential sectors. The adoption of DOAS systems is expected to be fueled by the rising focus on sustainability and energy efficiency in modern buildings, as these systems offer improved indoor air quality and enhanced energy performance. Moreover, the growing need for climate control in urbanized regions is expected to further propel market expansion.

Phil Farese, CEO of Mojave Energy Systems, highlighted the company’s focus on the DOAS market in an interview published on May 7, 2025: “Mojave is pursuing a multi-horizon approach when it comes to our total addressable market (TAM).

Initially, we’re focusing on the dedicated outdoor air system market, which represents a USD 4 to USD 5 billion annual TAM, where our product is particularly well-positioned. From there, we plan to expand into other applications, such as industrial dehumidification, cold storage, swimming pools, ice rinks, and more.

This broader market could grow our TAM to USD 10 to USD 12 billion.” This statement reflects the growing interest in DOAS technology, which is well-positioned for both short-term gains and long-term expansion into other energy-efficient solutions.

Technological advancements in HVAC systems are expected to play a crucial role in the market's growth. DOAS systems are designed to separate heating, cooling, and dehumidification processes, which is anticipated to make them highly efficient for modern, energy-conscious buildings. The reduction in the load on traditional HVAC systems is projected to provide significant cost savings for building owners and managers. Additionally, stricter energy efficiency regulations and increasing indoor air quality standards worldwide are expected to create a favorable environment for the adoption of DOAS.

As the market for energy-efficient building solutions expands, the DOAS market is expected to witness continued growth, driven by technological innovations, government regulations, and the demand for sustainable building practices.

Attribute Value
Market Size in 2025 USD 5.23 Billion
Market Size in 2035 USD 12.39 Billion
CAGR (2025 to 2035) 9%

Emerging Opportunities in the Dedicated Outdoor Air System (DOAS) Industry

Attributes Details
Opportunities
  • Offering comprehensive maintenance and support services for DOAS systems can create additional revenue streams.
  • Addressing specific industry verticals, such as healthcare, hospitality, and education, presents niche market opportunities.
  • Providing customized solutions to meet diverse customer requirements can differentiate DOAS providers.

Analysis of Top Countries, Implementing, Certifying, and Operating DOAS Solutions

The table displays the compound annual growth rates (CAGRs) for five key countries: the United States, Japan, China, the United Kingdom, and South Korea. Among these countries, South Korea stands out as a particularly dynamic market, projected to achieve an impressive 11.5% CAGR by 2035.

Known for its commitment to innovation, South Korea occupies a significant position across various industries, showcasing a thriving economic landscape marked by continual advancements.

Countries CAGRs from 2025 to 2035
The United States 9.2%
Japan 10.4%
China 9.7%
The United Kingdom 10.1%
South Korea 11.5%

Adoption of Dedicated Outdoor Air Systems in the United States Fuels Market Growth

The widespread adoption of DOAS in the United States can be attributed to several factors. Stringent regulations and building codes emphasizing indoor air quality and energy efficiency drive the demand for DOAS solutions.

The diverse climate conditions, ranging from extreme cold to high humidity in some regions, necessitate robust ventilation systems like DOAS to maintain optimal indoor conditions. The presence of a mature HVAC industry and a strong focus on sustainable building practices further propels the usage of DOAS in the United States.

Space Efficiency and Environmental Alignment Drive Market Growth in Japan

In Japan, where urbanization and space constraints are prevalent, DOAS offers an efficient solution for providing fresh air without compromising interior space.

The strong commitment to environmental sustainability and technological innovation aligns well with the benefits of DOAS, particularly in terms of energy efficiency and improved air quality. The focus on high-tech solutions and advanced building practices also contributes to the widespread adoption of DOAS.

Rapid Urbanization and Industrialization Boosts the China Market

Rapid urbanization and industrialization in China have increased concerns about air pollution and indoor air quality. As a result, there is a growing demand for ventilation systems like DOAS that can effectively mitigate indoor air contaminants while ensuring energy efficiency.

The emphasis on green building initiatives and efforts to combat air pollution further drive the adoption of DOAS in commercial and residential buildings nationwide.

Focus on Energy Efficiency and Regulatory Environment Plays a Pivotal Role in the United Kingdom

In the United Kingdom, where energy efficiency and environmental sustainability are key priorities, DOAS systems are favored for providing fresh air while minimizing energy consumption.

The stringent building regulations and focus on reducing carbon emissions create a conducive environment for adopting DOAS technologies. The temperate climate and varying weather conditions of the country make efficient ventilation systems like DOAS essential for indoor comfort and air quality.

Technological Innovation and Urban Development Raises Market Growth in South Korea

In South Korea, renowned for its technological advancements and commitment to innovation, DOAS is widely embraced as a solution to enhance indoor air quality and energy efficiency.

The dense urban areas and high-rise buildings of the country necessitate the implementation of effective ventilation systems to ensure occupant comfort and well-being. The strong emphasis on smart building technologies and sustainable development further drives the adoption of DOAS across residential, commercial, and institutional sectors.

Dedicated Outdoor Air System (DOAS) Market by Top Investment Segments

The dedicated outdoor air system (DOAS) market is poised for substantial growth in the coming years, driven primarily by key segments such as the 20-40 tons capacity range and ventilation requirements. These segments are expected to dominate the market in 2025, as the demand for energy-efficient, high-performance HVAC solutions rises across commercial, residential, and industrial sectors.

20-40 Tons Capacity Segment Set to Dominate the DOAS Market

The 20-40 tons capacity segment in the DOAS market is expected to capture 40% of the market share in 2025. This growth is primarily driven by the increasing need for energy-efficient, high-performance HVAC systems in large commercial and industrial buildings.

Companies such as Carrier Global Corporation, Trane Technologies, and Daikin Industries are leading this segment by offering scalable, energy-efficient systems tailored for medium to large-scale applications.

These systems are widely adopted across sectors like retail, hospitality, healthcare, and manufacturing, where air quality and temperature control are essential. The rising focus on sustainability, coupled with regulations mandating higher energy efficiency standards, has propelled the demand for 20-40 tons capacity systems.

Additionally, these systems are increasingly integrated with smart technologies to optimize energy use, contributing to cost savings and enhanced operational efficiency. Given these trends, the 20-40 tons capacity segment is poised to lead the expansion of the DOAS market, reflecting the growing demand for energy-efficient solutions for larger infrastructure projects.

Ventilation to Play a Crucial Role in the DOAS Market in 2025

Ventilation systems are projected to account for 50% of the dedicated outdoor air system (DOAS) market share in 2025. The growing need for improved air quality and the implementation of stringent building codes regarding ventilation are driving this segment's dominance.

Companies like Johnson Controls, Trane Technologies, and Daikin Industries are offering advanced ventilation technologies designed to meet the rising demand for energy-efficient systems. With increasing concerns over air quality, especially in commercial and residential buildings, ventilation systems have become essential for ensuring proper air exchange and maintaining indoor air quality.

These systems are also gaining traction due to their ability to reduce the spread of airborne contaminants, making them a key part of HVAC solutions in sectors like healthcare, education, and hospitality. Additionally, the integration of ventilation systems with smart technologies allows for better control of airflow, further enhancing energy savings and performance. Given these benefits, ventilation systems are expected to continue leading the DOAS market as an essential component of energy-efficient building infrastructure.

Leading Suppliers of DOAS Equipment

In the competitive landscape of the DOAS market, several key players vie for market share and dominance. These companies range from established HVAC manufacturers to specialized DOAS solution providers. Technological innovation, product quality, pricing strategies, distribution networks, and customer service are key factors that characterize competition in this market.

Major players in the DOAS market typically offer a diverse range of products and solutions, catering to various building types and sizes. They invest significantly in research and development to introduce advanced features such as smart controls, energy-efficient components, and integration with building automation systems.

The companies frequently engage in strategic partnerships and collaborations with other industry stakeholders, including architects, engineers, and contractors, to expand their market presence and offer comprehensive solutions.

Key Market Developments

  • In September 2022, Greenheck announced a strategic partnership with Pittsburgh Air Systems, a prominent supplier of Heating, Ventilating, and Air Conditioning (HVAC) solutions for commercial and industrial sectors. Through this collaboration, Greenheck aimed to expand its market presence by promoting its range of Greenheck Air Distribution products across northern West Virginia and western Pennsylvania.
  • In December 2021, Carrier partnered with the Amazon Web Services (AWS) Partner Network (APN), a global community of partners leveraging AWS cloud services. This collaboration marked a significant milestone in Carrier's digital transformation journey, with AWS playing a pivotal role in driving innovation and efficiency across its operations.

Research Coverage and Scope Summary

Report Attributes Details
Current Total Market Size (2025) USD 5.23 Billion
Projected Market Size (2035) USD 12.39 Billion
CAGR (2025 to 2035) 9%
Base Year for Estimation 2024
Historical Period 2020 to 2024
Projections Period 2025 to 2035
Quantitative Units USD Billion for value, Tons for capacity
Product Types Analyzed (Segment 1) By Capacity: 20-40 Tons, Less Than 20 Tons, 40-60 Tons, Greater Than 60 Tons
Forms Analyzed (Segment 2) By Requirement: Heating, Ventilation, Cooling, Dehumidification
Regions Covered North America, Latin America, Western Europe, Eastern Europe, South Asia and Pacific, East Asia, Middle East & Africa
Countries Covered United States, Canada, Mexico, Brazil, Argentina, Germany, France, United Kingdom, Italy, Spain, Netherlands, China, India, Japan, South Korea, ANZ, GCC Countries, South Africa
Key Players influencing the Market Johnson Controls International PLC, Carrier Global Corporation, Daikin Industries, Ltd., Trane Technologies PLC, LG Electronics, Inc. (LG Corporation), Samsung Electronics Ltd. (Samsung Group), Greenheck Fan Corporation, Nortek Global HVAC LLC (Nortek), Ingersoll Rand, Inc., Mitsubishi Electric Corporation
Additional Attributes Dollar sales by product type (e.g., capacity segments), trends in energy efficiency and air quality solutions, growth in commercial and industrial installations, regional demand for energy-efficient HVAC systems, innovations in DOAS technology.

Key Segments

By Capacity:

  • 20-40 Tons
  • Less Than 20 Tons
  • 40-60 Tons
  • Greater Than 60 Tons

By Requirement:

  • Heating
  • Ventilation
  • Cooling
  • Dehumidification

By Implementation Type:

  • New Construction
  • Retrofit

By Vertical:

  • Commercial
  • Residential
  • Industrial

By Region:

  • North America
  • Latin America
  • Western Europe
  • Eastern Europe
  • South Asia and Pacific
  • East Asia
  • Middle East and Africa

Table of Content

  • 1. Executive Summary
  • 2. Market Overview
  • 3. Market Background
  • 4. Global Market Analysis 2024 to 2034 and Forecast, 2025 to 2035
  • 5. Global Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Capacity
    • 5.1. 20-40 Tons
    • 5.2. Less Than 20 Tons
    • 5.3. 40-60 Tons
    • 5.4. Greater Than 60 Tons
  • 6. Global Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Requirement
    • 6.1. Heating
    • 6.2. Ventilation
    • 6.3. Cooling
    • 6.4. Dehumidification
  • 7. Global Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Implementation Type
    • 7.1. New Construction
    • 7.2. Retrofit
  • 8. Global Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Vertical
    • 8.1. Commercial
    • 8.2. Residential
    • 8.3. Industrial
  • 9. Global Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Region
    • 9.1. North America
    • 9.2. Latin America
    • 9.3. Western Europe
    • 9.4. Eastern Europe
    • 9.5. South Asia and Pacific
    • 9.6. East Asia
    • 9.7. Middle East and Africa
  • 10. North America Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Country
  • 11. Latin America Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Country
  • 12. Western Europe Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Country
  • 13. Eastern Europe Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Country
  • 14. South Asia and Pacific Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Country
  • 15. East Asia Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Country
  • 16. Middle East and Africa Market Analysis 2024 to 2034 and Forecast 2025 to 2035, By Country
  • 17. Key Countries Market Analysis
  • 18. Market Structure Analysis
  • 19. Competition Analysis
    • 19.1. Johnson Controls International PLC
    • 19.2. Carrier Global Corporation
    • 19.3. Daikin Industries, Ltd.
    • 19.4. Trane Technologies PLC
    • 19.5. LG Electronics, Inc. (LG Corporation)
    • 19.6. Samsung Electronics Ltd. (Samsung Group)
    • 19.7. Greenheck Fan Corporation
    • 19.8. Nortek Global HVAC LLC (Nortek)
    • 19.9. Ingersoll Rand, Inc.
    • 19.10. Mitsubishi Electric Corporation
  • 20. Assumptions & Acronyms Used
  • 21. Research Methodology

Frequently Asked Questions

What is the expected value of the Dedicated Outdoor Air System (DOAS) market in 2025?

By 2025, the dedicated outdoor air system (DOAS) landscape is anticipated to be valued at USD 5.23 Billion.

What is the projected forecast CAGR for the Dedicated Outdoor Air System market from 2024 to 2034?

The dedicated outdoor air system market is projected to flourish at a CAGR of 9% from 2025 to 2035.

At what value the Dedicated Outdoor Air System market is expected to conclude in 2035?

By 2035, the market for dedicated outdoor air system is expected to generate USD 12.39 Billion in value terms.

Based on capacity, which segment dominates the Dedicated Outdoor Air System market?

By capacity, 20-40 tons DOAS are likely to be preferred, expanding at an 8.7% CAGR by 2035.

Based on requirement, which segment dominates the DOAS market?

With a CAGR of 8.5%, DOAS for heating are expected to be highly demanded from 2025 to 2035.

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Dedicated Outdoor Air System (DOAS) Market