SunRain
SunRain (founded 1999, Shanghai-listed 603366.SH) manufactures air source heat pumps, solar thermal products, and integrated zero-carbon energy systems, serving residential, commercial, industrial, and real estate customers across 160+ countries.
- Company typePublic
- Founded1999
- HeadquartersLianyungang, China
- Headcount5,001–10,000
- GTM typeB2B and B2C
- OfferingHardware or Manufacturing
What SunRain does
SunRain (太阳雨) is a Chinese clean energy products and solutions company founded in 1999 and headquartered in Lianyungang, Jiangsu Province. The company is listed on the Shanghai Stock Exchange main board (ticker 603366.SH) under parent Solareast Solar Energy Co., Ltd. (日出东方太阳能股份有限公司) and operates a 591-mu headquarters campus, Asia's largest single-site air energy production base in Shunde (Guangdong), the world's largest solar thermal full industrial chain base in Luoyang, and an expanding presence in Tibet. SunRain manufactures and sells air source heat pumps (wall-mounted, cabinet, integrated heating), solar thermal collectors, photovoltaic direct-drive heat pumps, kitchen range hoods, electric and gas water heaters, and water purification systems for household, hotel, school, hospital, factory, real estate, and industrial-park customers across 160+ countries.
The company's core technology stack includes ultra-low temperature variable frequency heat pumps operational to -36°C with COP up to 2.65, S.P.D intelligent defrosting, gas-liquid dual injection three-valve linkage, 1Hz full-DC inverter control, and the proprietary GAIA Smart Energy Management System that orchestrates photovoltaic, storage, heat pump, and load assets via AI-driven dynamic scheduling. SunRain holds 100+ patents and 30+ international certifications (European ErP, German BAFA, UK MCS, US SRCC, Australian WaterMark, Brazilian Imetro, Canadian CSA, South African SABS), and was awarded the National Science and Technology Progress Award (Second Class) in 2024 and National Manufacturing Single Champion designation in 2025.
SunRain operates a hybrid go-to-market model combining 30,000+ dealer stores across 31 Chinese provinces, direct-to-consumer e-commerce (official online mall, Tmall flagship), enterprise field sales for turnkey clean energy projects, strategic alliances with major real estate developers (Country Garden, Poly, China Resources, Greentown, China Railway Construction, Zhaoshang Shekou), and exclusive OEM partnerships with international brands including Bosch, Hayward, Westinghouse, Ariston, and Europe's largest pool equipment seller POOLSTAR. Revenue is generated through hardware sales (consumer and commercial heat pumps, solar thermal products, water heaters, kitchen and water appliances), professional services (turnkey clean heating, hot water, and cooling solutions for hotels, schools, hospitals, factories, and parks), and after-sales service contracts. The company reports 10M+ cumulative household customers and 20,000+ engineering customers globally.
SunRain firmographics
Firmographics- Name
- SunRain
- Website
- https://sunrain.com
- Company type
- Public
- Founded year
- 1999
- Operating status
- Operating
- Headcount range
- 5,001–10,000 employees
- Short description
- SunRain (founded 1999, Shanghai-listed 603366.SH) manufactures air source heat pumps, solar thermal products, and integrated zero-carbon energy systems, serving residential, commercial, industrial, and real estate customers across 160+ countries.
- Ownership category
- akta.pro rank
SunRain industry classification
Industry- Product category
- Clean Energy Heat Pumps and Solar Thermal Equipment
- SIC
- Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430)
- akta.pro primary industry
- Microgrid, DER & Building Electrification Energy Controls (Solar/Storage/EV Load Orchestration) (BPABAGAJ)
- akta.pro secondary industries
- Home Energy & EV Charging (HEMS, Smart Meters, Batteries, Chargers) (HSAPAQAF), Smart Electrical Panel, Energy Monitoring & Load Management (HSAOANAE)
Keywords
Where SunRain is headquartered
LocationHeadquarters
- HQ city
- Lianyungang
- HQ country
- China
- HQ region
- Asia
Offices4 records
Markets served
SunRain business model
Business model- GTM type
- B2B and B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- 空气能热泵产品销售: 生产销售空气能冷暖机、采暖机、热水器等热泵产品，包括家用和商用两大类
- 太阳能产品销售: 太阳能热水器、真空管集热器、太阳能空调等太阳能光热产品
- 清洁热能系统工程: 为酒店、学校、医院、工厂、园区等提供清洁热水、清洁采暖、清洁制冷的系统解决方案
- 售后服务与配件: 提供保修服务、配件销售等售后增值服务，家用机整机包修期6年
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | 家用空气能产品 |
| Unit Pricing | Multi-year contract | 商用/工业级产品 |
| Other | Multi-year contract | 工程系统解决方案 |
Go-to-market motion4 records
Distribution channels7 records
Marketing channels9 records
SunRain product offering
Product offeringCore offering
SunRain designs, manufactures and sells air-source heat pumps, solar thermal collectors, electric and gas water heaters, kitchen range hoods, and water purification products for households and commercial facilities. Through the GAIA Smart Energy Management System the company integrates photovoltaic, energy storage, heat-pump and EV-charging equipment into zero-carbon energy solutions for homes, buildings and industrial parks, and delivers turnkey engineering projects for hotels, schools, hospitals and large real-estate developments.
Product overview
SunRain (太阳雨) is a clean energy company offering a comprehensive portfolio of air source heat pump products and solar thermal solutions. The core product lines include: (1) Air Energy (空气能) products: heat pump air conditioners (wall-mounted, cabinet, heat air units), air energy heating machines, integrated heating systems (温暖家 series), and ultra-low temperature models; (2) Solar Thermal products: collector series (爱家, 保热墙·龍/大瀑布/水巨人); (3) Kitchen Appliances: range hoods (天幕 D3/X-PLUS/703/S3); (4) Water Heaters: electric storage/instant heaters (速热式, 储水式), gas water heaters (美浴S1, 恒浴T2, 零冷水), wall-mounted gas boilers (B02); (5) Water Purification: residential and commercial purifiers (尊享X100, 黑曜, 黑金刚800G, 新K81). The platform is powered by the GAIA smart energy management system for integrated solar+heat pump solutions. The company also offers 光储充热一体化 (solar-storage-charging-heating integrated) solutions for zero carbon homes, buildings and industrial parks through the 太阳雨家庭能源站 (Home Energy Station) platform.
Differentiator
Problem solved
Functional benefit
Brands
- 太阳雨e家: Sub-brand for residential solar products and services
- 太阳雨管家
Products and services
- SunRain Heat-Pump Air Conditioner (Wall-Mounted) (太阳雨热泵空调 挂壁机) Wall-mounted residential heat-pump air conditioner using air-source heat-pump technology for efficient space heating and cooling with significantly reduced electricity use versus traditional air conditioners.
- SunRain Air-Energy Heating Unit (太阳雨空气能采暖机) Air-source heat-pump heating unit for residential and commercial heating applications, capable of stable operation in extreme low-temperature environments down to -30°C.
- SunRain Air-Energy Energy-Max Integrated Heating Unit (太阳雨空气能巨能省采暖一体机) Integrated air-source heat-pump heating system targeting household heating with high energy efficiency and operating cost savings, designed around the "buying cheaper, installing cheaper, using cheaper" three-benefit value proposition.
- SunRain Heat-Pump Air Conditioner (Heat-Air Unit) (太阳雨热泵空调 热风机) Heat-pump air conditioner in heat-air unit form factor for efficient space heating using air-source heat-pump technology in residential settings.
- SunRain Heat-Pump Air Conditioner (Cabinet) (太阳雨热泵空调 柜机) Cabinet-style heat-pump air conditioner for larger spaces, delivering efficient heating and cooling using air-source heat-pump technology.
- SunRain Solar Thermal Aijia Series (太阳雨太阳能爱家系列) Household solar thermal collector series for residential hot-water supply using vacuum-tube solar energy collection.
- SunRain Solar Thermal Baoreqiang Dragon (太阳雨太阳能保热墙 龍) High-efficiency heat-storage-wall solar thermal collector branded "Dragon" for premium residential applications, featuring thermal storage wall technology.
- SunRain Solar Thermal Baoreqiang Grand Waterfall (太阳雨太阳能保热墙 大瀑布) Large-format solar thermal collector with heat-storage-wall technology targeted at high-capacity residential hot-water needs.
- SunRain Solar Thermal Baoreqiang Water Giant (太阳雨太阳能保热墙 水巨人) Commercial-scale solar thermal collector with heat-storage-wall technology branded "Water Giant" for large-volume hot-water applications in commercial settings.
- SunRain Instant Electric Water Heater SR2C (太阳雨速热式电热水器 SR2C) Instant electric water heater providing quick on-demand hot-water supply for residential applications.
- SunRain Storage Electric Water Heater Live Water H5 (太阳雨储水式电热水器 活水H5) Storage-type residential electric water heater featuring live-water cleansing technology for safe and clean hot-water supply.
- SunRain Smart Storage Electric Water Heater Y6 (太阳雨储水式电热水器 智享Y6) Smart storage-type residential electric water heater with intelligent control features for convenient and energy-efficient operation.
- SunRain Smart Storage Electric Water Heater G5 (太阳雨储水式电热水器 智享G5) Smart storage-type electric water heater with intelligent features and energy-efficiency optimization for household use.
- SunRain Gas Water Heater Meiyu S1 (太阳雨燃气热水器 美浴S1) Gas water heater "Meiyu S1" providing efficient residential hot-water supply.
- SunRain Wall-Mounted Gas Boiler B02 (太阳雨燃气壁挂炉 B02) Wall-mounted gas boiler for combined residential heating and hot-water supply.
- SunRain Gas Water Heater Hengyu T2 (太阳雨燃气热水器 恒浴T2) Constant-temperature gas water heater providing stable residential hot-water delivery.
- SunRain Zero-Cold-Water Gas Water Heater (太阳雨燃气热水器 零冷水) Zero-cold-water gas water heater that eliminates waiting time for hot water at point of use.
- SunRain Water Purifier Zunxiang X100 (太阳雨净水机 尊享X100) Premium household water purifier X100 delivering residential water filtration and purification.
- SunRain Commercial Water Purifier — Hei Yao Vertical Direct-Drinking Unit (太阳雨商用净水机 黑曜商用立式直饮机) Commercial vertical direct-drinking water purifier "Hei Yao" for office and public-installation drinking-water applications.
- SunRain Commercial Water Purifier — Hei Jin Gang 800G Split-Type Water Purifier (太阳雨商用净水机 黑金刚800G分体式净水机) 800G split-type commercial water purifier for high-capacity commercial water-purification installations.
- SunRain Water Purifier New K81 (太阳雨净水机 新K81) New K81 household water purifier for residential water filtration.
- SunRain Range Hood Tianmu D3 (太阳雨油烟机 天幕D3) Tianmu D3 residential kitchen range hood for kitchen smoke and ventilation control.
- SunRain Range Hood Tianmu X-PLUS (太阳雨油烟机 天幕X-PLUS) Premium Tianmu X-PLUS residential kitchen range hood featuring enhanced suction performance and smart features.
- SunRain Range Hood Tianmu 703 (太阳雨油烟机 天幕703) Tianmu model 703 residential kitchen range hood for standard kitchen ventilation.
- SunRain Range Hood Tianmu S3 (太阳雨油烟机 天幕S3) Tianmu model S3 residential kitchen range hood for efficient kitchen ventilation.
- GAIA Smart Energy Management System (盖亚智慧能源管理系统) Intelligent energy management platform integrating photovoltaic, storage, heat-pump and EV-charging equipment with AI-driven dynamic scheduling, remote monitoring and intelligent dispatching for zero-carbon homes, buildings and industrial parks.
- Solar–Storage–Charging–Heating Integrated Solution (光储充热一体化解决方案) Integrated solution combining solar power generation, energy storage, EV charging and thermal energy for zero-carbon homes, buildings and industrial parks, anchored by the GAIA smart energy management platform.
- SunRain Home Energy Station (太阳雨家庭能源站) Home energy station system integrating solar thermal pump, solar air conditioner and solar water heater with GAIA smart energy management for full-scenario home energy supply. Validated by stable operation at 5,200m Mount Everest North Base Camp across 4 years.
- SunRain Clean-Energy Engineering Project Solutions (清洁能源系统工程) Turnkey engineering system solutions delivering clean hot water, clean heating and clean cooling for hotels, schools, hospitals, factories and industrial parks, sized and quoted by project scale and technical scheme.
- Energy-Max Pro Heating Integrated Unit and R290 Full-Variable-Frequency High-Temperature Water Heater (巨能省Pro采暖一体机 & R290全变频高温热水机) Two new-generation residential and commercial heating products: the Energy-Max Pro integrated heating unit (operating range -36°C to 30°C) and the R290 full-variable-frequency high-temperature water heater (-40°C operation, up to 80°C hot water output).
- Solar-Everything 3.0 Strategic Product Line (太阳能一切3.0 战略级产品) Strategic 3.0 product family: solar thermal pump (R32 refrigerant, -36°C operation, photovoltaic direct drive), solar air conditioner (95% efficiency, AI load prediction) and solar water heater, providing full-scenario zero-carbon living solutions.
- R290 Eco-Friendly Refrigerant Heat-Pump Full Series and Modular Energy-Storage System (R290全系列环保冷媒热泵 & 模块化储能系统) Full-series R290 eco-friendly refrigerant heat-pump products for household hot water, swimming pool, integrated-unit and wall-mounted applications, alongside a modular energy-storage system.
- Frost-Suppression Air-Source Heat Pump Unit (抑霜型空气源热泵机组) Frost-suppression air-source heat-pump unit developed jointly with Beijing University of Technology under the 13th Five-Year national key R&D program, enabling stable low-temperature operation.
Quantifiable outcome
- 空气能热水器制热能耗仅为电热水器的1/4，实际运行费用约为1/4
- +6 more outcomes
Companies that use SunRain
Customer profileNamed customers18 records
Segments7 records
Ideal customer profiles4 records
SunRain technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability3 records
Feature7 records
SunRain partnerships and signals
Strategic signalPartnerships
Twelve partnerships are on record, tiered 核心, 重要 and 一般.
- 中科院珠峰站核心2025年太阳雨携手中科院珠峰站启动高寒高海拔地区空气能热泵实证监测项目，共同研究机组在珠峰极端条件下的运行数据。
- 京东重要太阳雨联合京东探索无界零售新模式，在太阳雨集团超级品牌日发布战略合作规划，共同探索新能源行业零售新风向。
- 加拿大自然资源部能源技术中心(CanmetENERGY)核心2017年日出东方与加拿大CanmetENERGY签署战略合作协议，合力开发太阳能跨季节区域供热系统项目，引进加拿大先进的跨季节储热技术。
- Inti Solar（印度尼西亚）核心2005年与印尼Inti Solar建立合作关系，累计向其采购约8万台太阳能热水器，Inti Solar成为印尼太阳能热水器市场前三、真空管热水器市场第一名。双方合作从太阳能热水器扩展到空气能热泵产品。
- 东南大学核心2004年太阳雨携手东南大学开展太阳能+空气能产学研合作，张晓松教授、张小松教授等专家参与技术研发。2007年与东南大学能源与环境学院开展多能源复合系统项目研发，2008年获得江苏省科技厅重大成果转化项目基金1100万元奖励。
- 北京工业大学核心协同北京工业大学等共同研发抑霜型空气源热泵机组，该技术是在十三五国家重点研发计划课题支持下开发。
- 博世、美国惠而浦、美国西屋、意大利法罗力核心太阳雨空气能成为博世、美国惠而浦、美国西屋、意大利法罗力等国际知名品牌的唯一指定制造工厂。
- POOLSTAR（欧洲）核心太阳雨是欧洲最大的泳池设备销售商POOLSTAR中国指定合作伙伴。
- 东南大学（续）核心2004年起开展产学研合作，为珠峰项目提供技术支持，验证太阳能+空气能耦合系统在极端环境的应用。
- 天津生态城绿建院重要在零碳社区领域联合创新，推出太阳能集中集热分户储热集成式动力模块。
- 中国联合航空一般连云港花果山号飞机机身绘有孙悟空图案，太阳雨为花果山国际机场提供清洁热水系统。
- 喀麦隆驻华大使馆重要喀麦隆共和国驻华特命全权大使马丁·姆巴纳出席太阳雨热泵全球创新中心奠基仪式，推动中非清洁能源合作。
Scale indicators9 records
Recent moves12 records
Expansion highlights7 records
SunRain competitors and assessment
Company assessmentDirect peers
- Midea Group: China's largest appliance conglomerate with a broad HVAC and heat pump product line that directly competes with SunRain in residential air source heat pumps and integrated clean energy solutions. Massive distribution and brand-spending capability create the primary competitive threat to SunRain in China.
- Gree Electric Appliances: Leading Chinese HVAC manufacturer with a strong residential and commercial heat pump portfolio. Comparable in product breadth, channel scale, and clean energy positioning; competes head-to-head in residential and B2B project markets.
- Micoe (四季沐歌): Direct competitor in the solar water heater category with expanding heat pump and integrated clean energy solutions. Mirrors SunRain's historical core (solar thermal) and adds heat pump and home energy system expansion, making it one of the closest like-for-like competitors in China.
- Phnix (Guangdong Shunde PHNIX Eco-energy Solution): Pure-play heat pump specialist also based in Guangdong, focused on residential, commercial, and pool heat pumps with international distribution. Closely comparable in product specialization and export-led model (including OEM-like partnerships globally).
- Hisense Home Appliances: Chinese appliance leader with a meaningful HVAC and heat pump business. Competes directly in residential and light commercial heat pumps, leveraging its own brand and channel reach to challenge SunRain's mid-to-high positioning.
- Haier Smart Home: Global appliance giant with a growing heat pump and integrated home energy offering. Competes in residential heat pumps and is expanding into solar-storage-heating integrated solutions targeting similar customer segments to SunRain.
Broad incumbents
- Bosch Thermotechnology: Global heating and hot water manufacturer that is also a current OEM partner of SunRain (SunRain is Bosch's designated manufacturer for air source heat pumps). Comparable in product category (heat pumps, hot water) but operates much more broadly across HVAC and traditional heating.
- Trane Technologies: Global building climate solutions provider including commercial and residential heat pumps. Comparable in the commercial/institutional heat pump segment (hotels, schools, hospitals), but with broader HVAC portfolio and global commercial reach.
- Daikin Industries: Global HVAC leader with a dominant position in heat pumps worldwide. Operates broadly across residential, commercial, and industrial climate solutions; not specialized in solar thermal but offers the same heat pump product category that is SunRain's core business.
- NIBE Group: Swedish-listed global leader in heat pumps and other clean energy solutions. Comparable in product category and international distribution, but with a broader European-centric portfolio and larger installed base, making it a key international benchmark for SunRain's overseas ambitions.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
SunRain social profiles
Digital presenceSunRain compliance and trust
Trust signalCompliance10 records
SunRain financial estimates
Financial estimateRevenue estimate
Valuation estimate
SunRain leadership team
Management profileNumber of profiles
Profiles13 records
SunRain funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SunRain M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about SunRain
What does SunRain do?
SunRain designs, manufactures and sells air-source heat pumps, solar thermal collectors, electric and gas water heaters, kitchen range hoods, and water purification products for households and commercial facilities. Through the GAIA Smart Energy Management System the company integrates photovoltaic, energy storage, heat-pump and EV-charging equipment into zero-carbon energy solutions for homes, buildings and industrial parks, and delivers turnkey engineering projects for hotels, schools, hospitals and large real-estate developments.
Is SunRain a public or private company?
SunRain is a public company. It is classified as public and is currently operating.
When was SunRain founded?
SunRain was founded in 1999. It employs 5,001 to 10,000 people.
Where is SunRain based?
SunRain is headquartered in Lianyungang, China, in the Asia region.
How does SunRain make money?
Four revenue lines are on record. 空气能热泵产品销售 is the primary driver. The others are 太阳能产品销售, 清洁热能系统工程 and 售后服务与配件.
Who are SunRain's main competitors?
Direct peers on record are Midea Group, Gree Electric Appliances, Micoe (四季沐歌), Phnix (Guangdong Shunde PHNIX Eco-energy Solution), Hisense Home Appliances and Haier Smart Home. Broad incumbents are Bosch Thermotechnology, Trane Technologies, Daikin Industries and NIBE Group.
Does SunRain have an API?
No public API is recorded for SunRain.
What industry is SunRain in?
SunRain's product category is Clean Energy Heat Pumps and Solar Thermal Equipment. Its primary akta.pro industry code is BPABAGAJ, Microgrid, DER & Building Electrification Energy Controls (Solar/Storage/EV Load Orchestration), with a secondary code of HSAPAQAF, Home Energy & EV Charging (HEMS, Smart Meters, Batteries, Chargers). Its SIC code is 3585.