In 2018, South Korea recorded its hottest summer since 1973, with 31 heat-wave days. Heatwaves with maximum temperatures above 33 degrees Celsius usually occur after the rainy season in summer. In recent years, not only has the frequency of heatwaves increased, but also their intensity. Summer in South Korea Summer in South Korea (from June to August) is usually hot and humid with a lot of rainfall during the rainy season of the East Asian monsoon (Changma). About 60 percent of precipitation falls during this season. The average temperature in summer was around 24.7 degrees Celsius in 2023. The amount of precipitation in summer that year stood at over 1,000 millimeters, more than four times higher than in winter. Climate change South Korea is known for its four distinct seasons, yet weather patterns have increasingly changed in recent decades, resulting in longer summers and shorter winters. This shows that South Korea is not excluded from the effects of climate change. Changing climate patterns in recent decades have also led to an intensification of precipitation and more heat waves in South Korea. Meanwhile, climate change is taken very seriously by South Koreans: about 48 percent of respondents to a 2019 survey said that global warming or climate change is the most important environmental issue for South Korea.

In 2024, South Korea recorded **** heat wave days, a significant increase from the previous year. The highest number of heat wave days was recorded in 2018, peaking at ** days, marking a decade high.

South Korea Heat Pump Market Report is Segmented by Type (Air-Source, Water-Source, and More), Rated Capacity (<10 KW, 10 – 20 KW, and More), Application (Space Heating, Space Cooling, and More), End-User Vertical (Residential, Commercial, and More), Installation Type (New Build and Retrofit/Replacement), and Sales Channel (Direct [OEM To End-User], Distributor / Installer Network, and More).

Between May and September 2024, around 3,700 people in South Korea were diagnosed with heat-related illnesses, as reported by the Korea Disease Control and Prevention Agency (KDCA). The summer of 2018 saw a major heatwave across Northeast Asia, leading to an abnormally high number of patients suffering from heat-related diseases.

In 2023, the South Korea Heat Exchangers Market reached a value of USD 319.9 million, and it is projected to surge to USD 516.2 million by 2030.

The South Korea Combined Heat and Power Market Report is segmented by Application (Residential, Commercial and Industrial (C&I), and Utilities) and Fuel Type (Natural Gas, Coal, Oil, and Other Fuel Types).

South Korea Energy Consumption: Residential: Heat data was reported at 43.000 TOE th in Sep 2024. This records an increase from the previous number of 37.000 TOE th for Aug 2024. South Korea Energy Consumption: Residential: Heat data is updated monthly, averaging 95.000 TOE th from Jan 1997 (Median) to Sep 2024, with 333 observations. The data reached an all-time high of 479.000 TOE th in Jan 2021 and a record low of 10.000 TOE th in Aug 2001. South Korea Energy Consumption: Residential: Heat data remains active status in CEIC and is reported by Statistics Korea. The data is categorized under Global Database’s South Korea – Table KR.RB001: Energy Production and Consumption.

South Korea Energy Consumption: Heat data was reported at 6.000 TOE th in Sep 2024. This stayed constant from the previous number of 6.000 TOE th for Aug 2024. South Korea Energy Consumption: Heat data is updated monthly, averaging 4.000 TOE th from Jan 1997 (Median) to Sep 2024, with 333 observations. The data reached an all-time high of 13.000 TOE th in Mar 2017 and a record low of 0.000 TOE th in May 1999. South Korea Energy Consumption: Heat data remains active status in CEIC and is reported by Statistics Korea. The data is categorized under Global Database’s South Korea – Table KR.RB001: Energy Production and Consumption.

In May 2025, the average temperature in Incheon, South Korea was 16.5 degrees Celsius. August 2024 was the city's hottest month in the past six years, while December 2022 was the coldest, with an average temperature of minus 2.6 degrees Celsius.

Heat: Consumption: Public data was reported at 3.000 TOE th in Apr 2018. This records a decrease from the previous number of 4.000 TOE th for Mar 2018. Heat: Consumption: Public data is updated monthly, averaging 2.000 TOE th from Jan 1997 (Median) to Apr 2018, with 256 observations. The data reached an all-time high of 9.000 TOE th in Dec 2014 and a record low of 0.000 TOE th in Oct 2001. Heat: Consumption: Public data remains active status in CEIC and is reported by Korea Energy Economics Institute. The data is categorized under Global Database’s Korea – Table KR.RB001: Energy Production and Consumption.

In 2024, precipitation in Jeju in South Korea was the highest nationwide, with about 1928.9 millimeters. Gyeongnam followed with around 1713.6 millimeters.

In May 2025, the average temperature in Jeju, South Korea, was 17.5 degrees Celsius. The island's hottest month was August 2024, while February 2022 was the coldest, with an average temperature of 5.2 degrees Celsius.

The South Korea heat exchanger market size is projected to expand at a CAGR of 5.80% between 2025 and 2034.

a Attributable death / Number of death from specific causes: Proportion of attributable death to each cause of death.b Attributable death / Total number of death: Proportion of attributable deaths to total number of death.Estimated number of deaths attributable to heat and estimated relative risk of mortality for a 1°C increase in temperature above the threshold temperature (29.5°C).

Korea Heat: Consumption: Residential or Commercial data was reported at 151.000 TOE th in Apr 2018. This records a decrease from the previous number of 214.000 TOE th for Mar 2018. Korea Heat: Consumption: Residential or Commercial data is updated monthly, averaging 85.000 TOE th from Jan 1997 (Median) to Apr 2018, with 256 observations. The data reached an all-time high of 390.000 TOE th in Jan 2018 and a record low of 10.000 TOE th in Aug 1997. Korea Heat: Consumption: Residential or Commercial data remains active status in CEIC and is reported by Korea Energy Economics Institute. The data is categorized under Global Database’s Korea – Table KR.RB001: Energy Production and Consumption.

The size of the South Korea Combined Heat & Power Industry market was valued at USD XX Million in 2023 and is projected to reach USD XXX Million by 2032, with an expected CAGR of 3.50">> 3.50% during the forecast period. The Combined Heat and Power (CHP) sector in South Korea plays a crucial role in the nation's energy framework, emphasizing the enhancement of efficiency and the reduction of emissions in electricity generation. CHP systems, which generate electricity while simultaneously harnessing waste heat for heating or cooling purposes, present a notable improvement in energy efficiency when compared to traditional systems that produce heat and power separately. In South Korea, the momentum towards CHP is fueled by government initiatives and the escalating demand for energy efficiency across both industrial and residential domains. The South Korean government has introduced a range of incentives and regulatory frameworks to facilitate the adoption of CHP, including financial subsidies and tax incentives. This initiative is in line with the overarching objectives of minimizing greenhouse gas emissions and ensuring energy security. Furthermore, advancements in technology related to CHP systems, particularly in turbine and engine efficiency, have bolstered the growth of this sector. The emergence of smart grid technologies and their integration with renewable energy sources have also increased the attractiveness of CHP systems. Although challenges such as substantial initial investment costs and technical intricacies persist, the CHP industry in South Korea continues to grow, propelled by rising energy demands, environmental considerations, and the pursuit of more sustainable and economically viable energy solutions. Recent developments include: In July 2021, Bloom Energy, the United States-based green energy company, announced its first combined heat and power (CHP) project in collaboration with SK Ecoplant (formerly known as SK Engineering and Construction). The new 4.2-megawatt (MW) installation marks South Korea's first-ever utility-scale solid oxide fuel cell (SOFC) CHP initiative.. Key drivers for this market are: 4., Increasing Population Growth and Infrastructure Development. Potential restraints include: 4., High Operational and Maintenance Costs. Notable trends are: Natural Gas Segment to Witness Significant Demand.

South Korea Energy Consumption: Commercial & Public: Heat data was reported at 39.000 TOE th in Sep 2024. This records a decrease from the previous number of 57.000 TOE th for Aug 2024. South Korea Energy Consumption: Commercial & Public: Heat data is updated monthly, averaging 16.000 TOE th from Jan 1997 (Median) to Sep 2024, with 333 observations. The data reached an all-time high of 101.000 TOE th in Feb 2018 and a record low of 1.000 TOE th in Aug 1999. South Korea Energy Consumption: Commercial & Public: Heat data remains active status in CEIC and is reported by Statistics Korea. The data is categorized under Global Database’s South Korea – Table KR.RB001: Energy Production and Consumption.

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Technological advancements in the South Korea Combined Heat and Power industry are shaping the future market landscape. The report evaluates innovation-driven growth and how emerging technologies are transforming industry practices, offering a comprehensive outlook on future opportunities and market potential.

In May 2025, the average temperature in Busan, South Korea was 17.4 degrees Celsius. August 2024 was the city's hottest month in the past five years, while February 2025 was the coldest, with an average temperature of 2.9 degrees Celsius.