Top 10 Air Source Heat Pump Manufacturers & Suppliers 2026

Air source heat pumps (ASHPs) are rapidly becoming the backbone of global building electrification. By extracting heat from ambient air through a refrigeration cycle, these systems deliver efficient heating, cooling, and hot water with significantly lower carbon emissions than fossil-fuel alternatives. The global air source heat pump market was valued at USD 52.6 billion in 2025 and is projected to reach USD 104.6 billion by 2035, driven by decarbonization policies, energy efficiency mandates, and rising consumer demand for sustainable HVAC solutions.

For distributors, contractors, and procurement professionals, selecting the right air source heat pump manufacturer or supplier is a critical strategic decision. This guide profiles the top 10 air source heat pump manufacturers and suppliers globally, with insights into production capacity, OEM/ODM capabilities, and wholesale potential for 2026.

Market Overview: Air Source Heat Pump Industry in 2026

The air source heat pump market is experiencing robust growth across all major regions. According to Frost & Sullivan, the global market grew from RMB 52.95 billion in 2021 to RMB 73.89 billion in 2025, representing a compound annual growth rate of 8.7%. Asia Pacific dominates the market, projected to hold 43.2% of global market share by 2035, with China alone accounting for over 34% of global sales volume.

Air-to-air heat pumps currently represent the largest product segment, capturing approximately 71.3% of the market, while air-to-water systems lead in the commercial hot water and hydronic heating segments 。The commercial and industrial hot water sector is growing fastest, with a 19.7% annual growth rate, particularly in hotels, hospitals, schools, and agricultural applications.

China remains the global manufacturing hub, with 61.8% of worldwide air source heat pump production capacity located in Guangdong, Zhejiang, and other provinces 。The country also exported RMB 9.3 billion worth of air source heat pumps in February 2026 alone, representing 81.8% year-over-year growth 。

What Defines a Top Air Source Heat Pump Supplier in 2026?

Before reviewing the rankings, here are the key criteria that separate leading manufacturers from the competition:

Production Capacity & Delivery Reliability: Can the factory handle container-volume orders without compromising quality or lead times? Top manufacturers operate facilities exceeding 500,000 square meters with annual output measured in millions of units.

OEM/ODM Flexibility: Does the supplier offer custom branding, private-label production, and configurable specifications (refrigerant type, voltage, control interface, and packaging)?

Certification Compliance: Are products certified for target markets? Key certifications include CE and ErP for Europe, ENERGY STAR and AHRI for North America, and TUV/Intertek for global markets. The share of R290 heat pumps exported to the EU increased from 31% in 2024 to 67% by May 2026, reflecting the industry’s shift toward low-GWP refrigerants.

Cold-Climate Technology: With heat pump adoption expanding into northern regions, manufacturers with proven ultra-low temperature capabilities (operating at -25°C to -40°C) hold significant competitive advantages.

After-Sales Infrastructure: Technical documentation, warranty programs, and spare parts availability are essential for long-term distributor partnerships.

Top 10 Air Source Heat Pump Manufacturers & Suppliers

KLR Heat Pump (Foshan, China)

Headquarters: Foshan, Guangdong, China
Founded: 2005

KLR Heat Pump is a China-based OEM/ODM manufacturer specializing in air source heat pumps and related HVAC products. The company operates an ISO 9001-certified manufacturing facility in Foshan and provides custom branding, private-label production, and wholesale pricing for distributors and brands worldwide.

KLR’s product portfolio includes commercial air source heat pump water heaters with titanium heat exchangers, designed for hotels, schools, and large residential communities. The company’s products hold CE and ErP certifications, with R290 refrigerant options available for European markets.

Key strengths for B2B partners:

OEM/ODM customization (branding, specifications, packaging)

Factory-direct wholesale pricing from China

-35°C ultra-low temperature operation with EVI technology

R290 and R32 refrigerant options with full EU F-Gas compliance

Export experience to 80+ countries

Contact: info@klrheatpump.com | Whatsapp: +86 134 2453 1875

Daikin Industries

Headquarters: Osaka, Japan
Founded: 1924

Daikin is the global market leader in heat pumps, holding an 11.5% revenue share in 2025.The company offers a comprehensive portfolio spanning air source, ground source, and water source heat pumps for residential, commercial, and industrial applications. Daikin advances the market through inverter technology, low-GWP refrigerants, and smart controls, with particularly strong positions in Europe and Asia.

Key strengths for B2B partners: Market leadership, extensive R&D investment, global distribution network, premium brand recognition.

Midea Group

Headquarters: Foshan, Guangdong, China
Founded: 1968

Midea is a dominant force in the air source heat pump market, leveraging vast manufacturing scale and R&D capabilities.The company was ranked first in brand preference among Chinese real estate developers for air source heat pumps in 2026, with a 15% preferred brand index.Midea’s “Zhen Nuan” air source series employs continuous vapor injection technology for reliable operation in extreme cold conditions, serving over 37,000 households in northern China.

Key strengths for B2B partners: Massive production capacity, competitive pricing, strong OEM capabilities, expanding European exports.

Carrier Global Corporation

Headquarters: Palm Beach Gardens, Florida, USA
Founded: 1915

Carrier is a major player in HVAC and refrigeration, offering a wide range of heat pump systems including air-to-air and air-to-water configurations 。The company focuses on energy-efficient, cold-climate technologies and integrated controls for residential and light commercial applications 。Carrier’s scroll compressor technology and global service network make it a reliable partner for distributors in North America and beyond.

Key strengths for B2B partners: Strong North American presence, cold-climate expertise, comprehensive product portfolio.

Gree Electric Appliances

Headquarters: Zhuhai, Guangdong, China
Founded: 1991

Gree is one of the world’s largest air conditioner manufacturers and a significant force in the air source heat pump market 。The company holds approximately 7% of China’s heat pump retail volume share and is recognized for its extensive manufacturing capabilities and competitive pricing. Gree’s product range covers residential and commercial ASHPs, with growing export presence in Southeast Asia and the Middle East.

Key strengths for B2B partners: Enormous manufacturing scale, competitive cost structure, established export channels.

Mitsubishi Electric

Headquarters: Tokyo, Japan
Founded: 1921

Mitsubishi Electric provides a diverse range of heat pump solutions, including Ecodan air source systems for renewable heating, M Series air-to-air heat pumps, and Geodan geothermal systems 。The company is recognized for advanced inverter technology, quiet operation, and reliable cold-climate performance. Mitsubishi Electric serves both residential and commercial segments and continues to expand its presence in North America and Europe.

Key strengths for B2B partners: Advanced inverter technology, cold-climate expertise, strong technical support infrastructure.

Bosch Thermotechnology

Headquarters: Baden-Württemberg, Germany
Founded: 1886

Bosch is a global technology leader with a significant presence in energy and building technology. The company manufactures air source heat pumps engineered to European quality and efficiency standards, making them particularly suitable for markets with stringent energy regulations. Bosch is present in China’s high-end urban project segment and maintains strong brand trust in European markets 。

Key strengths for B2B partners: Premium engineering reputation, European compliance expertise, strong brand trust in high-end markets.

LG Electronics

Headquarters: Seoul, South Korea
Founded: 1958

LG Electronics is a dynamic competitor in the air source heat pump market, recognized for high-efficiency inverter compressors and smart controls. The company provides versatile solutions including hydro kits and hybrid systems for various climates, with a focus on IoT-enabled, user-friendly design. LG’s global distribution network and strong consumer electronics brand recognition support its growing HVAC presence.

Key strengths for B2B partners: Inverter technology leadership, smart home integration, global brand recognition.

Viessmann Group

Headquarters: Allendorf, Germany
Founded: 1917

Viessmann is a key player in the air source heat pump market, known for high-quality, renewable heating solutions. The company integrates smart digital systems and hybrid technologies with gas boilers, emphasizing sustainability and seamless system design for new builds and retrofits 。Viessmann holds a particularly strong position in the German and broader European residential sectors.

Key strengths for B2B partners: Premium European engineering, hybrid system expertise, strong specification presence in Europe.

Haier Group

Headquarters: Qingdao, Shandong, China
Founded: 1984

Haier is the leader in China’s heat pump retail market with a 10% volume share in 2025. The company has demonstrated strong innovation capabilities, including the release of a thermoacoustic heat pump that operates without a compressor or refrigerant. Haier’s diversified product portfolio and extensive distribution network make it a formidable competitor in both domestic and export markets.

Key strengths for B2B partners: Market leadership in China, innovation in emerging technologies, strong retail distribution.

Comparison Table: Top Air Source Heat Pump Manufacturers

How to Choose the Right Air Source Heat Pump Supplier

Selecting a manufacturer or supplier involves more than comparing product specifications. Consider these critical factors:

Production Capacity and Lead Times: Assess the factory’s annual output and ability to meet your volume requirements. Chinese manufacturers such as Midea, Gree, Haier, and KLR offer substantial production capacity with competitive lead times.

OEM/ODM Capabilities: If you need custom branding, specific configurations, or tailored packaging, prioritize suppliers with established OEM/ODM programs. Chinese manufacturers typically lead in this area.

Certification and Compliance: Verify that products carry certifications required for your target market. For European markets, CE and ErP compliance are essential, with R290 refrigerant options increasingly required under F-Gas regulations 。

Cold-Climate Performance: If your market includes northern regions, prioritize manufacturers with proven ultra-low temperature capabilities. Midea, Mitsubishi Electric, and Haier have demonstrated reliable performance at temperatures down to -25°C and below.

After-Sales Support: Technical documentation, warranty terms, and spare parts availability are critical for long-term customer satisfaction. Evaluate the supplier’s support infrastructure before committing to large orders.

Market Trends Affecting Air Source Heat Pump Suppliers

R290 Refrigerant Adoption: Natural refrigerant R290 (GWP=3) is rapidly becoming the standard for European exports. The share of R290 heat pumps in China’s EU exports increased from 31% in 2024 to 67% by May 2026 。

Export Market Diversification: While Europe remains the largest export destination for Chinese heat pumps, Southeast Asia, the Middle East, and South America are growing rapidly. Combined, these emerging markets now account for 33.7% of China’s clean energy heating exports.

Cold-Climate Technology: Manufacturers are investing heavily in EVI (Enhanced Vapor Injection) and other technologies to enable reliable operation in extreme cold, expanding addressable markets into northern China, Scandinavia, and North America.

System Integration: Air source heat pumps are increasingly integrated with solar PV, energy storage, and smart home systems, creating opportunities for suppliers offering complete energy solutions.

Frequently Asked Questions

Who are the largest air source heat pump manufacturers globally?
Daikin is the global market leader with 11.5% revenue share, followed by major players including Midea, Carrier, Mitsubishi Electric, Bosch, LG, and Chinese manufacturers such as Gree and Haier 。

How do I find an OEM air source heat pump supplier?
Look for manufacturers with demonstrated OEM/ODM experience, custom branding capabilities, and export track records. Chinese manufacturers in Guangdong province are particularly strong in OEM services, with companies like Midea, Gree, and KLR offering flexible production arrangements.

Are Chinese air source heat pump manufacturers reliable?
Many Chinese manufacturers operate CNAS-approved laboratories, hold international certifications (CE, TUV, Intertek), and export to over 80 countries. China accounts for 61.8% of global air source heat pump production capacity, and leading manufacturers maintain rigorous quality control systems. Due diligence and factory audits are recommended for any supplier selection.

What certifications should I look for in an air source heat pump?
For European markets, CE and ErP compliance are required, with R290 refrigerant options increasingly necessary for F-Gas compliance. For North American markets, AHRI certification and ENERGY STAR ratings are important for rebate eligibility. Chinese manufacturers like KLR hold CE and ErP certifications for European distribution.

Conclusion

The top air source heat pump manufacturers and suppliers serve diverse markets with varying strengths. Established Japanese, European, and American brands offer strong recognition and distribution networks, while Chinese manufacturers deliver scalable production, OEM/ODM flexibility, and competitive pricing for wholesale buyers.

As the global air source heat pump market continues its trajectory toward USD 104.6 billion by 2035, distributor partnerships with the right manufacturer will be critical for capturing growth opportunities. For brands seeking custom-branded air source heat pumps, partnering with an experienced China-based OEM manufacturer can provide significant advantages in cost, customization, and supply chain efficiency.

KLR Heat Pump is a professional OEM manufacturer based in Foshan, China, specializing in air source heat pumps. We offer custom branding, private-label production, and wholesale pricing for distributors worldwide. Contact us to discuss your project requirements.

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