Condensing Gas Boilers

Global Condensing Gas Boilers Market to Reach US$21.6 Billion by 2030

The global market for Condensing Gas Boilers estimated at US$18.1 Billion in the year 2024, is expected to reach US$21.6 Billion by 2030, growing at a CAGR of 3.0% over the analysis period 2024-2030. Wall Hung Boilers, one of the segments analyzed in the report, is expected to record a 2.2% CAGR and reach US$13.1 Billion by the end of the analysis period. Growth in the Floor Standing Boilers segment is estimated at 4.3% CAGR over the analysis period.

The U.S. Market is Estimated at US$4.9 Billion While China is Forecast to Grow at 5.6% CAGR

The Condensing Gas Boilers market in the U.S. is estimated at US$4.9 Billion in the year 2024. China, the world`s second largest economy, is forecast to reach a projected market size of US$4.2 Billion by the year 2030 trailing a CAGR of 5.6% over the analysis period 2024-2030. Among the other noteworthy geographic markets are Japan and Canada, each forecast to grow at a CAGR of 1.2% and 2.3% respectively over the analysis period. Within Europe, Germany is forecast to grow at approximately 1.7% CAGR.

Global Condensing Gas Boilers Market – Key Trends & Drivers Summarized

Why Are Condensing Gas Boilers Replacing Traditional Heating Systems?

Condensing gas boilers have become a preferred choice for commercial and residential heating due to their high energy efficiency, compact design, and reduced environmental footprint. Unlike conventional gas boilers, condensing models capture and reuse latent heat from exhaust gases, achieving thermal efficiencies upwards of 90%. This not only reduces fuel consumption but also lowers CO2 emissions, making them ideal for regions with strict building energy codes and carbon reduction targets. Their ability to provide consistent heating and domestic hot water with minimal heat loss makes them especially suitable for multi-unit buildings, hospitals, schools, and energy-conscious homes.

The adoption of condensing boilers has accelerated in developed economies, where older heating systems are being phased out under green building mandates and energy performance regulations. These boilers offer flexible installation options—wall-mounted or floor-standing units—and are compatible with modern control systems including programmable thermostats and zoned heating setups. In new construction as well as retrofitting projects, condensing gas boilers serve as efficient, cost-effective replacements for oil-fired or non-condensing gas units. Their integration into hybrid systems alongside solar thermal and underfloor heating solutions further expands their utility in decarbonized energy strategies.

How Are Product Innovations and Smart Controls Enhancing Boiler Performance?

Recent advancements in condensing gas boiler technology are focused on intelligent control, system integration, and fuel adaptability. Manufacturers are embedding boilers with sensors and smart controllers that enable dynamic modulation of burner output based on heat demand. This reduces cycling losses and maintains higher operational efficiency during partial load conditions, which are common in variable weather climates. Wi-Fi-enabled thermostats, remote diagnostics, and app-based system monitoring have become standard features, allowing end-users and maintenance teams to optimize usage patterns and detect performance issues early.

Condensing boilers are also becoming compatible with alternative fuels such as biogas and hydrogen-blended natural gas. As governments and utility providers look toward green gas as a transitional solution, boiler manufacturers are designing burners and heat exchangers capable of handling mixed-gas compositions without compromising performance or safety. Furthermore, materials innovation in stainless steel and aluminum heat exchangers is improving corrosion resistance and extending system life. Compact modular designs are also being adopted for commercial systems, enabling scalable deployment across large facilities and multi-zone heating applications with minimal space requirements.

What Market Segments and Regional Trends Are Shaping Demand?

The demand for condensing gas boilers varies by region and end-user application. In Europe, widespread environmental regulations and aggressive climate goals have led to strong adoption in both residential and light commercial buildings. Countries with cold climates and high heating loads are key markets, especially where district heating systems and building energy renovation programs support boiler replacement. North America is also seeing increased uptake, particularly in multi-family housing units, healthcare facilities, and schools looking to reduce heating costs and carbon emissions.

In Asia-Pacific, rising urbanization, population growth, and government-led energy reforms are creating new opportunities. Emerging economies are investing in energy-efficient heating infrastructure, often integrating condensing boilers into urban residential towers, shopping centers, and public institutions. Additionally, the retrofit market is expanding in regions transitioning away from coal or electric resistance heating systems. Commercial end-users such as hotels, industrial plants, and logistics hubs are increasingly specifying condensing boilers in response to energy audits and operational cost pressures. These trends reflect a broader shift toward efficient and intelligent building systems across all geographies.

What Factors Are Driving the Expansion of the Condensing Gas Boiler Market?

The growth in the condensing gas boiler market is driven by several factors directly tied to energy efficiency mandates, fuel transition strategies, and intelligent heating system adoption. A major driver is the regulatory pressure to reduce building carbon footprints, prompting residential and commercial stakeholders to adopt high-efficiency heating solutions. Rebates and incentives offered for replacing older systems with condensing technology are further accelerating adoption in retrofit markets. Another key driver is the integration of smart thermostats, remote diagnostics, and IoT-based control platforms that increase usability and system performance monitoring.

Technological readiness for alternative fuels such as hydrogen blends and biogas is also positioning condensing gas boilers as a transitional solution within decarbonization roadmaps. Additionally, the proliferation of green building certifications and zero-energy building targets is making condensing units a required component in new developments. Their compatibility with hybrid systems and renewable heating sources adds flexibility for future energy transitions. Finally, supply chain improvements and increased product availability through HVAC distributors are making condensing gas boilers more accessible in emerging and cost-sensitive markets, fueling global market penetration across various construction and retrofit segments.

SCOPE OF STUDY:

The report analyzes the Condensing Gas Boilers market in terms of units by the following Segments, and Geographic Regions/Countries:

Segments:
Product Type (Wall Hung Boilers, Floor Standing Boilers); End-Use (Residential End-Use, Commercial End-Use, Industrial End-Use)

Geographic Regions/Countries:
World; United States; Canada; Japan; China; Europe (France; Germany; Italy; United Kingdom; Spain; Russia; and Rest of Europe); Asia-Pacific (Australia; India; South Korea; and Rest of Asia-Pacific); Latin America (Argentina; Brazil; Mexico; and Rest of Latin America); Middle East (Iran; Israel; Saudi Arabia; United Arab Emirates; and Rest of Middle East); and Africa.

Select Competitors (Total 43 Featured) -

• A. O. Smith Corporation
• Ariston Thermo Group
• Baxi Heating UK Limited
• Bosch Thermotechnology
• Buderus (Bosch Group)
• Carrier Global Corporation
• Daikin Industries Ltd.
• De Dietrich Thermique
• Ferroli S.p.A.
• Grundfos Holding A/S
• Hajdu Zrt.
• Ideal Heating
• Intergas Heating B.V.
• Lennox International Inc.
• Navien, Inc.
• NTI Boilers
• Rinnai Corporation
• Viessmann Werke GmbH & Co. KG
• Worcester Bosch Group
• Wolf GmbH

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