The Combi Boiler Market Overview 2025 report reveals that the market size has grown significantly over the past few years, with projections indicating further expansion.
The combi boiler market has experienced significant growth in recent times. The market size will increase from $30.65 billion in 2024 to $33.3 billion in 2025, with a compound annual growth rate (CAGR) of 8.6%.
The Combi Boiler Global Market is expected to grow strongly in the coming years, reaching a market size of $45.75 billion in 2029. The forecasted compound annual growth rate (CAGR) for this period is 8.3%.
Download Your Free Sample of the 2025 Combi Boiler Market Report and Uncover Key Trends Now!The key drivers in the combi boiler market are:
• Increases in fuel costs are driving demand for more efficient systems
• The need for compact heating solutions is on the rise
• Advancements in smart heating controls are becoming more prevalent
• Popularity of hydrogen-ready and low-emission boilers is growing
The combi boiler market covered in this report is segmented –
1) By Fuel: Natural Gas, Oil, Electric, Other Fuels
2) By Technology: Condensing, Non-Condensing
3) By Power Output: 24 Kilowatt (kW) Or Less, 25-30 Kilowatt (kW), 31-35 Kilowatt (kW), 36 Kilowatt (kW) Or More
4) By Distribution Channel: Online Retail, Physical Automotive Stores, Distributors And Dealers, Direct Sales
5) By End-Use: Residential, Non-Residential
The key trends in the combi boiler market are:
• Technological innovations implemented on the condensing technology are transforming the market for combi boilers.
• Advanced control systems that leverage Artificial Intelligence for optimization are becoming increasingly prevalent.
• There is a growing trend for developing and implementing hydrogen-ready boiler designs.
• Smart thermostats and home automation are becoming integrated with boiler systems, while compact and modular boiler designs are also on the rise.
Major players in the combi boiler market are:
• Rheem Manufacturing Company
• Viessmann Werke GmbH And Co. KG
• Vaillant Group
• Rinnai Corporation
• Ariston Group
• Noritz Corporation
• Saunier Duval
• Baxi Heating UK Limited
• Bradford White Corporation
• Hoval Ltd.
• Worcester Bosch Group
• Ferroli S.p.A.
• Ideal Heating
• Intergas Heating Ltd.
• Alpha Heating Innovation
• Grant Engineering (UK) Ltd.
• ATAG Heating Technology UK Ltd.
• Glow-worm
• Mistral Boilers Ltd.
• KD Navien Co. Ltd.
North America was the largest region in the combi boiler market in 2024