South Korea Heat Pump - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026-2031)

The south korea heat pump market size was valued at USD 2.09 billion in 2025 and is estimated to grow from USD 2.21 billion in 2026 to reach USD 2.84 billion by 2031, at a CAGR of 5.14% over 2026-2031. This report is Segmented by Source Type (Air Source, Water Source, and More), Technology (Air-To-Air, Air-To-Water, and More), Capacity (Below 10 KW, 10-50 KW, and More), Application (Space Heating, Space Cooling, and More), End User (Residential, Commercial, and Industrial), Installation (New Installation, and Retrofit), and Geography. The Market Forecasts are Provided in Terms of Value (USD).

South Korea Heat Pump Market Trends and Insights

Rapid Electrification Drive to Meet 2050 Carbon-Neutral Targets

South Korea’s net-zero roadmap elevates heat pumps as the principal decarbonization lever for buildings, a sector that emitted around 15% of national CO₂ in 2024. The Ministry of Climate, Energy and Environment aims to install 3.5 million units by 2035, implying annual deployments five times the 2025 volume. Jeju’s plan to electrify 100,000 homes blends rooftop solar with heat pumps, creating 1.5 GW of flexible capacity that absorbs excess daytime generation. This architecture supplies demand-response services that offset winter LNG peaker reliance. Legal recognition of ambient air heat as renewable energy in March 2026 allows installations to count toward mandatory zero-energy building quotas.

Aggressive Government Subsidies and Utility Rebates

The 2026 national budget earmarked KRW 14.45 billion (USD 10.3 million) for heating electrification, with 92.2% flowing to Jeju where each household may claim up to 70% of installed costs. Jeju Development Corporation reports that owner contributions of KRW 4.2 million (USD 3,000) can be recouped within two heating seasons thanks to energy savings of up to KRW 2.23 million (USD 1,600) per year. Pilot rent-to-own models, inspired by European heat-as-a-service schemes, eliminate upfront expense by bundling hardware and maintenance into monthly utility bill. Subsidy rules prioritize non-gasified rural zones where city-gas reach sits below 20%, easing fossil-fuel reliance.

Integration of Heat Pumps with Hydrogen Boiler Systems

The Korea Institute of Machinery and Materials demonstrated greenhouse heating that blends hydrogen fuel cells, solar PV and heat pumps to cut CO₂ by 58.1% versus LPG baselines. Seoul National University simulations show gas-plus-heat-pump hybrids maintaining 60 °C supply temperatures during -20 °C cold snaps with lower operating costs than pure gas. Industrial pilots in textiles and food processing adopt similar arrangements to decarbonize sub-200 °C process heat while shielding factories from volatile peak tariffs. Although green-hydrogen logistics remain nascent, dual-fuel control logic offers resilience against simultaneous grid load spikes that worry policymakers.

Other drivers and restraints analyzed in the detailed report include:

• Expansion of District-Scale Apartment Retrofits
• High Up-Front Installation Costs and Building-Code Compliance
• Limited Skilled Installer Base and Permitting Delays

For complete list of drivers and restraints, kindly check the Table Of Contents.

Segment Analysis

Air source units dominated 77.84% of 2025 demand because they install quickly and avoid drilling permits, giving the South Korea heat pump market an easy entry point in crowded city blocks. Hybrids that marry heat pumps with gas or hydrogen boilers are set for a 5.72% CAGR, reflecting industrial buyers’ desire to curtail emissions without surrendering backup capacity during rare deep-freeze events that can sap coefficient of performance. Water-source systems carve out small coastal niches where aquaculture and data centers take advantage of stable seawater temperatures. Ground-source designs are favored for public institutions that own surrounding land, yet drilling prices above KRW 1 million (USD 715) per meter in granite deter high-rise retrofits, slowing their share gain in the South Korea heat pump market.

Hybrid case studies underscore economic upside. A hydrogen-PV-heat-pump greenhouse cut CO₂ by 58.1% against LPG heating while steadying nightly temperature swings. Seoul National University’s lab work shows gas-boiler assists lifting supply temperatures above 60 °C when outdoor air drops below -20 °C, safeguarding occupant comfort. Water-source variants see earliest traction in Busan’s fish-farming belts, yet national rules for small-scale heat sales remain under review, tempering momentum. As tariff reform progresses, hybrids are likely to secure more favorable peak-price arbitrage, enhancing their value proposition in the broader South Korea heat pump industry.

Air-to-water machines owned 53.91% of revenue in 2025 because they tie neatly into Korea’s ubiquitous radiant-floor circuits, sustaining the South Korea heat pump market share leadership. Ground-to-water models target a 6.03% CAGR through 2031 as factories and data centers adopt geothermal loops that provide 24-hour baseload temperatures without stressing the grid. Air-to-air units linger mainly in legacy ducted villas, while water-to-water packages fill specialized cooling positions in electronics plants and aquaculture tanks.

Technological refinement centers on refrigerants and installation simplicity. LG’s March 2026 R290 monobloc shifts the refrigerant circuit outdoors, streamlining retrofits in high-rise apartments and reinforcing safety as propane becomes mainstream. Samsung’s R32-based EHS All-in-One, rated for -25 °C, neutralizes cold-weather performance anxiety in the South Korea heat pump market. Ground-loop adopters benefit from stable subsurface temperatures that allow year-round coefficients of performance above 4, a critical factor for data-center waste-heat partnerships in Gyeonggi Province. Air-to-water manufacturers reply with high-temperature 74 °C outlet variants, narrowing the domestic-hot-water gap that formerly required fossil fuel backup. These moves keep the South Korea heat pump industry technologically agile while regulations phase down high-GWP refrigerants.

Complete Report Scope:

• By Source Type
  • Air Source
  • Water Source
  • Ground Source
  • Hybrid
• By Technology
  • Air-to-Air
  • Air-to-Water
  • Water-to-Water
  • Ground-to-Water
• By Capacity
  • Below 10 kW
  • 10-50 kW
  • 50-200 kW
  • Above 200 kW
• By Application
  • Space Heating
  • Space Cooling
  • Domestic and Sanitary Hot Water
  • Industrial and Process Heating
  • Other Applications
• By End User
  • Residential
  • Commercial
  • Industrial
• By Installation
  • New Installation
  • Retrofit

List of Companies Covered in this Report:

• Daikin Industries, Ltd.
• Mitsubishi Electric Corp.
• Kyungdong Navien
• Stiebel Eltron GmbH & Co. KG
• Vaillant Group
• Viessmann Group
• Hanon Systems
• Fujitsu General Ltd.
• Hyundai Energy Solutions
• Sanden Corp.
• LG Electronics Inc.
• Trane Technologies plc
• Carrier Global Corp.
• Johnson Controls-Hitachi Air Conditioning
• Ariston Holding N.V.
• Haier Group Corp.
• Gree Electric Appliances Inc.
• Midea Group Co. Ltd.

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support