DOAS Market Report 2026

The doas market size has grown strongly in recent years. It will grow from $4.74 billion in 2025 to $5.19 billion in 2026 at a compound annual growth rate (CAGR) of 9.6%. The growth in the historic period can be attributed to expansion of commercial building construction, rising awareness of indoor air quality, increasing adoption of advanced hvac systems, availability of dedicated ventilation solutions, growth in healthcare and institutional facilities.

The doas market size is expected to see strong growth in the next few years. It will grow to $7.58 billion in 2030 at a compound annual growth rate (CAGR) of 9.9%. The growth in the forecast period can be attributed to increasing adoption of net-zero energy buildings, rising investments in smart hvac technologies, expansion of green building certifications, growing retrofit demand in existing buildings, increasing focus on occupant health and comfort. Major trends in the forecast period include increasing adoption of energy-efficient doas units, rising demand for indoor air quality control, growing integration with smart building systems, expansion of retrofit installations, enhanced focus on humidity and ventilation management.

A global shift towards sustainable and environmentally conscious building practices is anticipated to propel the growth trajectory of the DOAS market. Sustainable and green building practices revolve around eco-friendly, resource-efficient design, construction, operation, and maintenance approaches aimed at minimizing environmental impact while enhancing occupant health and well-being. Within this context, DOAS emerges as a crucial component in sustainable building methodologies, offering solutions for improved indoor air quality, energy efficiency, and occupant comfort. For instance, according to the Building and Construction Authority (BCA), Singapore aimed to have approximately 55% of its buildings eco-friendly by the end of 2022. Furthermore, Singapore's Green Building Masterplan targets greening 80% of the country's buildings by gross floor area (GFA) by 2030. This concerted global emphasis on sustainability and green practices serves as a driving force propelling the growth trajectory of the DOAS market.

Prominent companies within the Dedicated Outdoor Air Systems (DOAS) market are strategically investing in initiatives aimed at sustainable building solutions, exemplified by Johnson Controls International PLC's investment in the International WELL Building Institute (IWBI). This strategic alliance emphasizes Johnson Controls' heightened dedication to providing solutions promoting healthy and sustainable building environments. In April 2023, Johnson Controls International PLC, headquartered in Ireland and known for manufacturing dedicated outdoor air systems, announced its investment in the International WELL Building Institute (IWBI). Through this partnership, Johnson Controls aims to leverage the WELL Enterprise Provider (EP) credential, assisting clients in fulfilling diverse business objectives encompassing ESG reporting, human and social capital management, and workplace planning and policies. As a WELL EP, Johnson Controls will expand its existing suite of building certification consulting services to encompass WELL certification and ratings, thereby fostering healthier and more conducive built environments. The International WELL Building Institute, based in the US, specializes in assessing, certifying, and monitoring built-environment aspects affecting human health and well-being.

In June 2024, Honeywell, a US-based technology and manufacturing company, acquired Carrier Global Corporation's Global Access Solutions Business for $4.95 billion. This acquisition strengthens Honeywell's position as a leading provider of digital security solutions and enhances its Building Automation segment. Carrier Global, also based in the US, specializes in providing dedicated outdoor air systems (DOAS) among its range of offerings. Through this acquisition, Honeywell aims to expand its capabilities and market presence in the building automation and security sectors.

Major companies operating in the doas market are Johnson Controls International plc, Daikin Industries Ltd., Carrier Global Corporation, Trane Technologies plc, Mitsubishi Electric Corporation, Nortek Global HVAC (Madison Air), Addison HVAC LLC, Desert Aire LLC, Munters Corporation, Captive-Aire Systems Inc., Greenheck Fan Corporation, Price Industries Limited, Lennox International Inc., AAON Inc., LG Electronics, York (Johnson Controls), Rheem Manufacturing Company, Engineered Air Ltd., Semco LLC, FläktGroup, Systemair AB, Swegon Group AB, TROX Group, Hoval Group, Valent Air, Zehnder Group.

Asia-Pacific was the largest region in the DOAS market in 2025. North America was the second-largest region in the DOAS market. The regions covered in the doas market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in the doas market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

The DOAS market consists of sales of DOAS systems with components such as fans, heating coils, and cooling coils, that are used to supply cool, dehumidified outside air to a building in the summer and heated outside air in the winter. Values in this market are ‘factory gate’ values, that is the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors, and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified).

The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

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