Packaged Heat Pumps

Packaged Heat Pumps Market Outlook

The global Packaged Heat Pumps market is projected to reach USD 20 billion by 2035, exhibiting a compound annual growth rate (CAGR) of 7.5% from 2025 to 2035. This growth can be attributed to a combination of factors, including an increasing demand for energy-efficient heating and cooling solutions, stringent government regulations promoting the use of renewable energy, and rising consumer awareness regarding sustainable practices. The transition towards low-carbon technologies and the significant advancements in heat pump technology further contribute to the market's expansion. Additionally, the post-pandemic recovery in construction and renovation activities across various sectors is expected to bolster the market growth significantly.

Growth Factor of the Market

The growth factors propelling the Packaged Heat Pumps market encompass a multitude of dynamics ranging from environmental concerns to technological advancements. Firstly, the global push for reducing carbon emissions and dependence on fossil fuels has led to an increased focus on renewable energy solutions, including heat pumps which utilize ambient air, water, or ground heat. Furthermore, the rising energy costs have prompted consumers and businesses alike to seek more energy-efficient solutions that lower operational costs in the long run. Government incentives and rebates for installing heat pump systems as part of the green building initiatives have also made these solutions more attractive financially. Additionally, advancements in heat pump technology, such as improved coefficients of performance (CoP) and greater efficiency at lower temperatures, have expanded their applicability across varying climatic conditions. The growing trend towards smart home technology integration has created new opportunities for packaged heat pumps, allowing for better management of energy consumption and enhancing user experiences.

Key Highlights of the Market

• The market is witnessing robust growth due to increasing emphasis on energy efficiency.
• Government incentives for clean energy solutions are driving demand for heat pumps.
• Technological advancements are enhancing the efficiency and performance of heat pumps.
• Growing consumer awareness regarding sustainability is shaping market dynamics.
• The residential sector is emerging as a significant application area for packaged heat pumps.

By Product Type

Air Source Heat Pumps:

Air Source Heat Pumps (ASHPs) are among the most common types of packaged heat pumps, utilizing ambient air as a heat source or sink. They operate by extracting heat from the outside air and transferring it indoors for heating purposes, or vice versa for cooling. Their popularity is driven by their relatively lower installation costs and ease of integration into existing heating systems. ASHPs are versatile and can be used in various applications, including residential, commercial, and industrial settings. Furthermore, advancements in technology have led to the development of models that can operate efficiently in colder climates, widening their applicability across different geographical regions. This technology is also gaining traction due to its low carbon footprint compared to traditional heating methods, making it an attractive option for environmentally conscious consumers.

Water Source Heat Pumps:

Water Source Heat Pumps (WSHPs) utilize bodies of water, such as lakes, rivers, or wells, as a heat source or sink. This type of heat pump is particularly effective in areas where water sources are readily available. WSHPs are known for their high efficiency since water maintains a more consistent temperature compared to air, allowing for better performance even in extreme weather conditions. These systems are commonly employed in commercial and industrial applications, where water bodies can be harnessed effectively. The installation of WSHPs may involve higher upfront costs compared to ASHPs due to the need for specific site requirements, such as water access and necessary permits. Nevertheless, their efficiency and reliability make them a compelling choice for larger applications, particularly in regions with ample water resources.

Ground Source Heat Pumps:

Ground Source Heat Pumps (GSHPs), also known as geothermal heat pumps, leverage the stable temperatures found underground to provide heating and cooling. GSHP systems involve a series of buried pipes filled with refrigerant or water, which absorb heat from the ground during the winter and disperse heat into the ground during the summer. These systems are highly efficient and can significantly reduce energy consumption compared to conventional heating and cooling systems. However, the installation costs can be substantially higher than other types of heat pumps due to the need for excavation and ground loop systems. Despite the initial investment, GSHPs offer long-term savings on energy bills and a lower environmental impact, making them a viable option for both residential and commercial applications in regions with favorable geological conditions.

Hybrid Heat Pumps:

Hybrid Heat Pumps combine two different heating technologies to optimize performance and efficiency. Typically, they integrate a heat pump with a conventional boiler, allowing the system to switch between energy sources based on external temperatures and energy costs. This approach enables hybrid systems to operate efficiently in varying climates, ensuring comfort while minimizing energy consumption. Hybrid heat pumps are particularly appealing for residential applications, as they provide flexibility in meeting heating demands while reducing energy costs. Moreover, the integration of smart technology allows homeowners to optimize their systems for greater efficiency, further enhancing the appeal of hybrid models in today's energy-conscious market.

Absorption Heat Pumps:

Absorption Heat Pumps (AHPs) utilize heat sources such as natural gas or solar energy rather than electricity to provide heating and cooling. These systems operate on the principle of absorption refrigeration, where a refrigerant absorbs heat from the environment and is then circulated through a heat exchanger. AHPs are particularly advantageous in industrial applications that require a significant amount of thermal energy and can utilize waste heat from industrial processes. The ability to use alternative energy sources makes absorption heat pumps an attractive option for businesses looking to reduce energy costs and carbon emissions. However, higher initial costs and lower efficiency in smaller systems may limit their adoption in residential settings.

By Application

Residential:

The residential segment is one of the key applications for packaged heat pumps, driven by the increasing demand for energy-efficient heating and cooling solutions among homeowners. With rising energy costs, consumers are seeking alternatives that not only lower utility bills but also contribute to environmental sustainability. Packaged heat pumps offer an effective solution by providing both heating and cooling, making them versatile for year-round use. The growing trend towards smart homes is further enhancing the appeal of heat pumps, as homeowners increasingly prefer systems that can be easily integrated with smart thermostats and home automation technologies. Moreover, government incentives for energy-efficient installations are encouraging more homeowners to consider heat pumps as viable alternatives to traditional systems, thus propelling growth in this segment.

Commercial:

In the commercial sector, packaged heat pumps are gaining traction due to their energy efficiency and versatility in various applications, including offices, retail spaces, and educational institutions. Businesses are increasingly adopting heat pumps as part of their sustainability initiatives, recognizing the long-term cost savings associated with lower energy consumption. Packaged heat pumps can effectively handle the dynamic heating and cooling demands of commercial buildings, providing enhanced comfort for occupants while maintaining operational efficiency. The ability to scale these systems to fit different commercial spaces makes them an attractive option for facility managers looking to optimize their HVAC systems. Additionally, as regulatory bodies continue to implement stricter energy efficiency standards, commercial establishments are prompted to invest in more efficient solutions, further driving the demand for packaged heat pumps.

Industrial:

The industrial application of packaged heat pumps is becoming increasingly relevant, particularly in industries that require significant thermal energy for processes. Industries such as food processing, chemical manufacturing, and pharmaceuticals are leveraging heat pump technology to harness waste heat and improve overall energy efficiency. Packaged heat pumps can be integrated into existing systems to recover and utilize waste heat, reducing overall energy consumption and operational costs. Furthermore, as industries strive to meet sustainability goals and reduce their carbon footprint, heat pumps present a viable solution for achieving these objectives. The growing focus on sustainability in industrial operations is expected to contribute to the increasing adoption of packaged heat pumps in various industrial applications.

By Distribution Channel

Direct Sales:

The direct sales channel for packaged heat pumps has gained popularity due to the personalized service offered by manufacturers and their representatives. Direct sales provide customers with a comprehensive understanding of the product, installation requirements, and maintenance services, ensuring they make informed decisions. This approach allows for tailored solutions that meet the specific needs of the customer, leading to higher satisfaction rates. Additionally, manufacturers often provide warranties and support directly to consumers, enhancing trust and reliability in the product. As consumers increasingly prioritize energy-efficient solutions, the direct sales channel is expected to grow as manufacturers leverage this method to establish stronger relationships with their clientele and promote their innovative products effectively.

Indirect Sales:

Indirect sales channels for packaged heat pumps involve third-party distributors and retailers, which play a significant role in expanding market reach. This channel provides customers with more accessible options for purchasing packaged heat pumps, often offering competitive pricing and promotional offers. Distributors frequently have extensive networks that allow for quicker delivery times and access to a wider range of product offerings. Additionally, indirect sales channels can enhance brand visibility and awareness through retail partnerships and marketing initiatives. As consumers seek convenience and variety in their purchasing decisions, the indirect sales channel is positioned to grow alongside the increasing demand for packaged heat pumps, especially in regions with a heightened focus on energy-efficient technologies.

By Refrigerant Type

R-410A:

R-410A is one of the most commonly used refrigerants in packaged heat pumps, known for its efficiency and environmental performance. It is a non-ozone-depleting refrigerant that offers high thermal efficiency, making it suitable for both residential and commercial applications. The use of R-410A has become widespread due to its ability to maintain performance levels in various conditions, which enhances the overall efficiency of heat pump systems. However, while it performs well, R-410A does possess a relatively high global warming potential (GWP), prompting industry players to explore alternative refrigerants with lower environmental impacts. Nevertheless, R-410A remains a key refrigerant in the market until more sustainable options are fully adopted.

R-32:

R-32 is gaining traction as an alternative refrigerant in packaged heat pumps, primarily due to its lower GWP compared to R-410A. This refrigerant is more energy-efficient, requiring less refrigerant volume for the same cooling and heating capabilities, which positively impacts system performance. R-32 is also easier to recycle, making it a more environmentally friendly option for manufacturers and consumers alike. As regulations concerning refrigerants tighten, the shift towards R-32 is expected to accelerate, and many manufacturers are actively developing heat pump systems that utilize this refrigerant. Its growing acceptance in the industry signifies a commitment to sustainability while maintaining high energy efficiency standards.

R-22:

R-22 has historically been a popular refrigerant used in packaged heat pumps, but its production has been phased out under the Montreal Protocol due to its ozone-depleting properties. While R-22 systems still exist in many older installations, there is a clear trend towards replacing them with more environmentally friendly alternatives like R-410A and R-32. The phase-out of R-22 has led to increased service and maintenance costs for systems still using this refrigerant, as supplies become limited. Consequently, consumers are encouraged to upgrade their systems to comply with contemporary environmental standards and benefit from the improved efficiency of newer refrigerants. This transition presents both challenges and opportunities for the market as it evolves towards more sustainable technologies.

R-134a:

R-134a is another refrigerant used in specific heat pump applications, particularly in commercial and industrial settings. Although its ozone depletion potential is low, R-134a does possess a higher GWP, prompting scrutiny from regulatory bodies. Its use in packaged heat pumps is generally declining due to the industry's shift towards more efficient and environmentally safer alternatives. However, R-134a remains relevant in particular applications where its specific properties are advantageous, such as in the automotive industry or specific industrial systems. As the market continues to evolve, the adoption of R-134a in packaged heat pumps may decline as the industry focuses on minimizing GWP and enhancing energy efficiency.

R-1234yf:

R-1234yf is an emerging refrigerant in the packaged heat pump market, noted for its low GWP and non-ozone-depleting characteristics. This refrigerant is gaining attention as a more eco-friendly alternative to traditional refrigerants, aligning with global trends focusing on sustainability and environmental responsibility. The introduction of R-1234yf is also driven by regulatory changes mandating the phase-out of high-GWP refrigerants. While the widespread adoption of R-1234yf in packaged heat pumps is still underway, it holds potential for future applications as manufacturers continue to innovate and design systems that leverage this refrigerant. As consumers and businesses increasingly prioritize sustainability, R-1234yf is expected to gain traction in the market, reflecting a broader commitment to reducing the environmental impact of heating and cooling technologies.

By Region

In North America, the packaged heat pumps market is anticipated to grow significantly, driven by increasing awareness of energy-efficient technologies and the implementation of regulations promoting the use of renewable energy. This region is expected to reach a market value of approximately USD 8 billion by 2035, with a CAGR of 7.2% from 2025 to 2035. The residential and commercial sectors are leading this demand, with consumers increasingly opting for heat pumps as a sustainable alternative to traditional heating and cooling systems. Moreover, ongoing advancements in technology, such as smart home integrations, are further enhancing the appeal of packaged heat pumps in North America, cementing this region as a leading market.

In Europe, the demand for packaged heat pumps is also on the rise, fueled by government initiatives aimed at promoting energy efficiency and reducing carbon emissions. The European market is projected to reach approximately USD 6 billion by 2035, with significant growth driven by the residential sector's adoption of heat pump technologies. Countries such as Germany, France, and the United Kingdom are at the forefront of this trend, implementing stringent regulations that support the transition to renewable energy sources. The growing focus on achieving net-zero emissions by 2050 has also led to increased investments in heat pump technologies, positioning Europe as a vital market in the global packaged heat pumps landscape.

Opportunities

The Packaged Heat Pumps market presents a multitude of opportunities driven by the global shift towards sustainability and energy efficiency. One of the most significant opportunities lies in the residential sector, where homeowners are increasingly seeking alternatives to traditional heating and cooling systems. With the rise of smart home technologies, manufacturers have the chance to innovate and develop integrated systems that enhance user convenience and energy management. Additionally, as governments worldwide implement stricter energy efficiency standards and provide incentives for renewable energy installations, there is a growing market for packaged heat pumps that cater to these needs. The possibility of developing hybrid systems that combine heat pumps with other renewable technologies, such as photovoltaic solar panels, opens up further avenues for market expansion, allowing consumers to maximize energy savings and reduce reliance on fossil fuels.

Moreover, the industrial sector presents a significant opportunity for the adoption of packaged heat pumps, particularly as industries strive to enhance energy efficiency and reduce greenhouse gas emissions. As companies increasingly focus on sustainability initiatives, integrating heat pumps into industrial processes can significantly reduce energy consumption and costs. The ability to utilize waste heat from operations further enhances the economic viability of packaged heat pumps in industrial settings. As the demand for energy-efficient technologies continues to grow, manufacturers are encouraged to invest in research and development to innovate and improve the performance of their heat pump systems. Collaborations with industry stakeholders and participation in sustainability programs can also foster the growth of packaged heat pumps in various applications, making the market ripe for expansion.

Threats

Despite the promising growth potential of the Packaged Heat Pumps market, several threats could hinder its progress. One notable threat is the increasing competition from alternative heating and cooling technologies, such as traditional HVAC systems, which may offer lower initial costs and established market presence. As consumers often prioritize upfront costs over long-term savings, the appeal of packaged heat pumps may be diminished, particularly in regions where awareness of energy-efficient solutions is still developing. Additionally, fluctuations in raw material prices can impact production costs for manufacturers, leading to potential price increases for consumers. This could further deter potential buyers who may already be hesitant about transitioning to newer technologies. Moreover, changes in government regulations and policies regarding energy efficiency and environmental standards can create uncertainty in the market, affecting manufacturers' willingness to invest and innovate.

Another challenge lies in the perception of heat pumps, particularly in regions with extreme weather conditions. Some consumers may question the effectiveness of heat pumps in providing adequate heating during harsh winters, leading to hesitation in adoption. Additionally, the complexity of installation and maintenance, particularly for more advanced systems like ground source heat pumps, can pose a barrier for both consumers and installers, particularly in areas where skilled labor is scarce. As a result, manufacturers and industry stakeholders must address these concerns through education and awareness campaigns, demonstrating the capabilities and efficiencies of packaged heat pumps to counter the negative perceptions that may exist in the market.

Competitor Outlook

• Daikin Industries, Ltd.
• Mitsubishi Electric Corporation
• Trane Technologies
• Carrier Corporation
• LG Electronics
• Bosch Thermotechnology
• Fujitsu General Limited
• Panasonic Corporation
• Hitachi, Ltd.
• Rheem Manufacturing Company
• Johnson Controls International plc
• Viessmann Group
• Ariston Thermo S.p.A.
• Gree Electric Appliances, Inc.
• Stiebel Eltron GmbH & Co. KG

The competitive landscape of the Packaged Heat Pumps market is characterized by a mix of established players and emerging companies, all vying for market share in an evolving sector. Major companies like Daikin Industries and Mitsubishi Electric hold significant market positions due to their extensive product offerings, strong brand presence, and commitment to innovation. These companies invest heavily in research and development to enhance the efficiency and performance of their heat pump systems, aligning with consumer demands for sustainability and energy savings. Additionally, partnerships and collaborations with other industry stakeholders are common strategies employed by these leading players to broaden their market reach and foster innovation in product development.

Trane Technologies and Carrier Corporation are also formidable competitors in the Packaged Heat Pumps market, leveraging their established distribution networks and comprehensive service offerings to capture a wide customer base. Their focus on providing integrated solutions for both residential and commercial applications allows them to address the diverse needs of consumers effectively. Furthermore, these companies actively participate in sustainability initiatives, promoting their heat pump technologies as eco-friendly alternatives to traditional HVAC systems, which resonates with today's environmentally conscious consumers.

Emerging companies in the packaged heat pumps market are also making significant strides, often focusing on niche segments or innovative technology developments. For instance, companies like Gree Electric Appliances and Ariston Thermo are utilizing advanced manufacturing techniques and smart technology integrations to develop products that are not only efficient but also user-friendly. As the market continues to evolve, these emerging players contribute to the overall competitiveness of the industry, encouraging established companies to innovate and improve their offerings. Overall, the Packaged Heat Pumps market presents a dynamic competitive landscape that is likely to experience continuous change as technologies evolve and consumer preferences shift.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Hitachi, Ltd.
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 LG Electronics
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Viessmann Group
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 Trane Technologies
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Carrier Corporation
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Ariston Thermo S.p.A.
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 Panasonic Corporation
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Bosch Thermotechnology
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 Daikin Industries, Ltd.
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Fujitsu General Limited
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Rheem Manufacturing Company
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 Stiebel Eltron GmbH & Co. KG
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Gree Electric Appliances, Inc.
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Mitsubishi Electric Corporation
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 Johnson Controls International plc
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Packaged Heat Pumps Market, By Application
    • 6.1.1 Residential
    • 6.1.2 Commercial
    • 6.1.3 Industrial
  • 6.2 Packaged Heat Pumps Market, By Product Type
    • 6.2.1 Air Source Heat Pumps
    • 6.2.2 Water Source Heat Pumps
    • 6.2.3 Ground Source Heat Pumps
    • 6.2.4 Hybrid Heat Pumps
    • 6.2.5 Absorption Heat Pumps
  • 6.3 Packaged Heat Pumps Market, By Refrigerant Type
    • 6.3.1 R-410A
    • 6.3.2 R-32
    • 6.3.3 R-22
    • 6.3.4 R-134a
    • 6.3.5 R-1234yf
  • 6.4 Packaged Heat Pumps Market, By Distribution Channel
    • 6.4.1 Direct Sales
    • 6.4.2 Indirect Sales

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Packaged Heat Pumps Market by Region
  • 10.6 Middle East & Africa - Market Analysis
    • 10.6.1 By Country
      • 10.6.1.1 Middle East
      • 10.6.1.2 Africa

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Packaged Heat Pumps market is categorized based on

By Product Type

• Air Source Heat Pumps
• Water Source Heat Pumps
• Ground Source Heat Pumps
• Hybrid Heat Pumps
• Absorption Heat Pumps

By Application

• Residential
• Commercial
• Industrial

By Distribution Channel

• Direct Sales
• Indirect Sales

By Refrigerant Type

• R-410A
• R-32
• R-22
• R-134a
• R-1234yf

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• Daikin Industries, Ltd.
• Mitsubishi Electric Corporation
• Trane Technologies
• Carrier Corporation
• LG Electronics
• Bosch Thermotechnology
• Fujitsu General Limited
• Panasonic Corporation
• Hitachi, Ltd.
• Rheem Manufacturing Company
• Johnson Controls International plc
• Viessmann Group
• Ariston Thermo S.p.A.
• Gree Electric Appliances, Inc.
• Stiebel Eltron GmbH & Co. KG