Combi Boiler Market size was valued at USD 32.51 billion in 2024 and is set to exceed USD 85.27 billion by 2037, registering over 7.7% CAGR during the forecast period i.e., between 2025-2037. In the year 2025, the industry size of hoist controller is estimated at USD 34.51 billion. The reason behind the growth is impelled by the growing demand for heating systems in urban residents, especially in temperate and tundra regions. According to estimates, more than 32% of households globally require both space heating and cooling.
Along with this, various favorable features of combi boilers, such as compact size, space-saving, and lower cost as compared to deploying two different systems for each function, are also projected to fuel the market growth.
The growing advancement in controlling technology is believed to fuel combi boiler market growth. Advancements such as connected controls, and remote and digital monitoring can aid in tracking and showing the boiler's water or steam pressure, and could potentially be used to encourage installers to configure the system properly.
Growth Drivers
Challenges
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Base Year |
2024 |
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Forecast Year |
2025-2037 |
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CAGR |
7.7% |
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Base Year Market Size (2024) |
USD 32.51 billion |
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Forecast Year Market Size (2037) |
USD 85.27 billion |
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Regional Scope |
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Device Type (Fuel type, Condensing Technology)
The condensing technology segment in the combi boiler market is estimated to gain a robust revenue share of 60% in the coming years. A condensing combi boiler is a heating system component that recovers water vapor and heat produced during gas combustion and is known to deliver both instantaneous hot water and central heating. Condensing boilers, use condensing technology to assist in lower heat loss and increase efficiency either by optimizing flow and return temperatures in the primary heat exchanger or by "capturing" the heat from the flue gases. These boilers are significantly greener than other boilers since they use less fuel, which aids in reducing harmful GHG emissions and also promotes low-emission technologies. For instance, condensing boilers, which make up the majority of new boilers, have an efficiency rating of more than 80%, while non-condensing boilers can only manage an efficiency rating of around 70%. Moreover, in residential structures, condensing combi boilers are typically used since they are wall-mounted and smaller.
Application (Central Heating, Hot Water Provider)
The central heating segment in the combi boiler market is set to garner a notable share shortly. Central heating is essential for ensuring warmth during the winter. The major advantages of a combi boiler are its high efficiency, size, and its ability to provide hot water whenever required. These boilers can supply hot water and central heating by eliminating the requirement for the enormous storage tanks that traditional boilers require, and can usually last between 10-15 years taken care of along with annual servicing.
End-Use (Residential, Non-Residential)
The residential segment in the combi boiler market is expected to witness a considerable growth. Combi-boilers, also known as combination boilers, compact, and single-unit water heaters, are a popular type of household heating system that can provide space heating and instantaneous household hot water. In addition, by combining space heating and domestic hot water (DHW) into one unit, a commercial combination boiler saves space and, oftentimes, money by using a plate heat exchanger to generate the hot water for several end-use industries.
Our in-depth analysis of the global combi boiler market includes the following segments:
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Device Type |
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End-Use |
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Application |
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Fuel |
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North American Market Forecast
North America industry is likely to dominate majority revenue share of 40% by 2037. In addition, the region will also benefit from expanding demand for efficient heating systems in colder locations such as Canada and the United States, as well as increased public awareness of environmental issues. For instance, more than 55% of Americans reside in places that receive frequent winter snowfall. Moreover, the majority of Canadian homes are constructed to weather the winter, and in 2021, more than 90% of households said they had a primary heating system.
APAC Market Statistics
The Asia Pacific combi boiler market is expected to rise steadily over the forecasted period, owing to the increasing adoption of combi-boilers in countries, such as Japan, China, and South Korea. These countries experience cold temperatures, especially during winter, which leads to a high demand for water heaters, as well as, central heaters. As the combi heater provides both functions in a single compact unit, its demand is growing in the region, which, in turn, is estimated to boost the market growth. Moreover, the high urban population in developing countries is further forecasted to fuel combi boiler market growth.
Vaillant, a manufacturer of combi boilers based in the UK, introduced a combination boiler that ranges between 24kW to 38 kW in power. This company also manufactures heating boilers, and their power ranges between 18 kW to 38 kW, which can be used for household purposes, along with solar power systems, hot water storage units, and heat pumps.
Author Credits: Dhruv Bhatia
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