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As a leader in the heat pump industry, Tenesun has participated in drafting 15 national and industrial standards, and the Low-Noise Residential Air Source Pump stands as a testament to its technical prowess. This all-in-one smart energy device integrates heating, cooling, hot water supply, and specialized temperature control (such as sludge drying and pool dehumidification) into a single unit. Leveraging advanced heat pump technology and a dual-effect heat exchange system, it breaks the limitations of traditional temperature control equipment, delivering efficient performance across all seasons. With Class++++ energy efficiency and inverter technology, it not only meets the strictest energy-saving requirements but also adapts to diverse global markets through international certifications including CE, UL, China Energy-Saving Product Certification, and China Environmental Label Product Certification.

For hotels, resorts, shopping malls, and office buildings, the Low-Noise Residential Air Source Pump offers integrated solutions for commercial hot water and central heating/cooling. It provides a continuous supply of hot water for guest rooms, restaurants, and spas, with heating capacities ranging from 17kW to 45kW to match the scale of any commercial project. Its energy-efficient operation reduces electricity bills by 30-50% compared to conventional systems, while quiet operation (≤42dB(A) for small models) ensures a comfortable environment for guests and employees.
Urban Small to Medium-Sized Homes: Compact design and easy installation make it the top choice for urban residences, requiring no additional space for separate heating and cooling units.
Self-Built Houses Without Central Heating: In rural or suburban areas lacking central heating infrastructure, this heat pump delivers stable warmth even at -38℃, eliminating the need for coal or gas boilers.
Ancient House & Heritage Building Renovations: Its non-destructive installation method allows historical buildings to upgrade temperature control systems without altering their original structure, preserving cultural heritage while improving comfort.
Sludge Drying: For wastewater treatment plants and industrial facilities, the heat pump provides low-temperature drying solutions, reducing energy consumption and environmental impact compared to traditional drying equipment.
Swimming Pool Temperature Control & Dehumidification: It maintains precise water temperature (7℃-45℃) and controls humidity levels, preventing corrosion and mold growth in indoor pools while ensuring a comfortable swimming environment.
Air Treatment for Special Spaces: For clean rooms, laboratories, and indoor farms, it regulates temperature and humidity with high precision, supporting the unique needs of these specialized environments.
Global Compatibility & Durability: With a service life of over 20 years (30% longer than industry average), core components sourced from internationally renowned brands, and IPX4 waterproof design, it adapts to humid, rainy, and extreme temperature climates worldwide.
Wide Voltage & Climate Adaptability: Supports 220V and 380V power supplies, eliminating the need for additional transformers in most regions. It operates stably at ambient temperatures from -38℃ to 46℃, covering nearly all climate zones.
Intelligent Comfort & Safety: Updated smart control systems allow for remote monitoring and adjustment via mobile devices, while safe operation features (low noise, overheat protection, waterproof design) ensure peace of mind for users.
Eco-Friendly & Low Carbon: Using R410 refrigerant (environmentally friendly and non-ozone-depleting), it reduces carbon emissions, aligning with global sustainability goals.
Customized System Configuration: Our technical team conducts on-site surveys and needs assessments to design tailored solutions, including capacity matching, pipeline layout, and control system integration, to meet the specific requirements of your project.
Localized Adaptation & Installation: We adapt the heat pump to local power grids, climate conditions, and building codes, providing professional installation guidance and on-site support to ensure seamless integration into your existing systems.
After-Sales Maintenance & Upgrade: Global after-sales service network offers regular maintenance, troubleshooting, and software/hardware upgrade services. We provide 24-hour technical support to resolve issues promptly, minimizing downtime for commercial and industrial users.
Sample & Pilot Project Support: For large-scale commercial or industrial projects, we offer sample testing and pilot project services, allowing you to verify performance and efficiency before full-scale deployment.
As a leader in the heat pump industry, Tenesun has participated in drafting 15 national and industrial standards, and the Low-Noise Residential Air Source Pump stands as a testament to its technical prowess. This all-in-one smart energy device integrates heating, cooling, hot water supply, and specialized temperature control (such as sludge drying and pool dehumidification) into a single unit. Leveraging advanced heat pump technology and a dual-effect heat exchange system, it breaks the limitations of traditional temperature control equipment, delivering efficient performance across all seasons. With Class++++ energy efficiency and inverter technology, it not only meets the strictest energy-saving requirements but also adapts to diverse global markets through international certifications including CE, UL, China Energy-Saving Product Certification, and China Environmental Label Product Certification.

For hotels, resorts, shopping malls, and office buildings, the Low-Noise Residential Air Source Pump offers integrated solutions for commercial hot water and central heating/cooling. It provides a continuous supply of hot water for guest rooms, restaurants, and spas, with heating capacities ranging from 17kW to 45kW to match the scale of any commercial project. Its energy-efficient operation reduces electricity bills by 30-50% compared to conventional systems, while quiet operation (≤42dB(A) for small models) ensures a comfortable environment for guests and employees.
Urban Small to Medium-Sized Homes: Compact design and easy installation make it the top choice for urban residences, requiring no additional space for separate heating and cooling units.
Self-Built Houses Without Central Heating: In rural or suburban areas lacking central heating infrastructure, this heat pump delivers stable warmth even at -38℃, eliminating the need for coal or gas boilers.
Ancient House & Heritage Building Renovations: Its non-destructive installation method allows historical buildings to upgrade temperature control systems without altering their original structure, preserving cultural heritage while improving comfort.
Sludge Drying: For wastewater treatment plants and industrial facilities, the heat pump provides low-temperature drying solutions, reducing energy consumption and environmental impact compared to traditional drying equipment.
Swimming Pool Temperature Control & Dehumidification: It maintains precise water temperature (7℃-45℃) and controls humidity levels, preventing corrosion and mold growth in indoor pools while ensuring a comfortable swimming environment.
Air Treatment for Special Spaces: For clean rooms, laboratories, and indoor farms, it regulates temperature and humidity with high precision, supporting the unique needs of these specialized environments.
Global Compatibility & Durability: With a service life of over 20 years (30% longer than industry average), core components sourced from internationally renowned brands, and IPX4 waterproof design, it adapts to humid, rainy, and extreme temperature climates worldwide.
Wide Voltage & Climate Adaptability: Supports 220V and 380V power supplies, eliminating the need for additional transformers in most regions. It operates stably at ambient temperatures from -38℃ to 46℃, covering nearly all climate zones.
Intelligent Comfort & Safety: Updated smart control systems allow for remote monitoring and adjustment via mobile devices, while safe operation features (low noise, overheat protection, waterproof design) ensure peace of mind for users.
Eco-Friendly & Low Carbon: Using R410 refrigerant (environmentally friendly and non-ozone-depleting), it reduces carbon emissions, aligning with global sustainability goals.
Customized System Configuration: Our technical team conducts on-site surveys and needs assessments to design tailored solutions, including capacity matching, pipeline layout, and control system integration, to meet the specific requirements of your project.
Localized Adaptation & Installation: We adapt the heat pump to local power grids, climate conditions, and building codes, providing professional installation guidance and on-site support to ensure seamless integration into your existing systems.
After-Sales Maintenance & Upgrade: Global after-sales service network offers regular maintenance, troubleshooting, and software/hardware upgrade services. We provide 24-hour technical support to resolve issues promptly, minimizing downtime for commercial and industrial users.
Sample & Pilot Project Support: For large-scale commercial or industrial projects, we offer sample testing and pilot project services, allowing you to verify performance and efficiency before full-scale deployment.
As the company to lead to draw up 15 pieces of heat pump’s industry and national standards, TENESUN residential heating and cooling heat pumps have built-in advantages in quality control and international certification. Some of our facilities have passed multiple authoritative certifications, including CE,UL, China Energy-Saving Product Certification and China Environmental Label Product Certification, meeting the access requirements of some overseas markets. The facilities’ core components are all buying from internationally renowned brands and coordinating to the rigorous quality control system in a 60,000 square meters modern production base.The facilities’ service life can reach more than 20 years, 30% higher than the industry average.
Model: KSR- | 17 Ⅰ BP/C | 17 Ⅱ BP/C | 19Ⅰ BP/C | 19 Ⅱ BP/C | 22 Ⅰ BP/C | 22 Ⅱ BP/C | 28 Ⅱ BP/C | 38 Ⅱ BP/C | 45 Ⅱ BP/C |
Energy-Efficiency Class | Class++++ | ||||||||
Control Mode | Inverter | ||||||||
Heating Condition -Ambient Temp.(DB/WB):7/6℃; Water Temp.(Out):45℃ | |||||||||
Heating Capacity | 17.0 | 17.0 | 19.0 | 19.0 | 22.5 | 22.5 | 28.0 | 37.0 | 45.0 |
Heating Power Input | 4.67 | 4.67 | 5.22 | 5.22 | 6.18 | 6.18 | 7.89 | 10.54 | 12.68 |
Cooling Condition -Ambient Temp.(DB):35℃; Water Temp.(Out):7℃ | |||||||||
Cooling Capacity | 13.5 | 13.5 | 15.5 | 15.5 | 17.5 | 17.5 | 25.0 | 27.8 | 35.0 |
Cooling Power Input | 4.43 | 4.43 | 5.12 | 5.12 | 5.78 | 5.78 | 8.28 | 9.55 | 12.11 |
Heating Condition -Ambient Temp.(DB):-12℃; Water Temp.(Out):41℃ | |||||||||
Heating Capacity | 12.8 | 12.8 | 13.8 | 13.8 | 15.2 | 15.2 | 21.0 | 27.1 | 32.0 |
Heating Power Input | 4.65 | 4.65 | 5.02 | 5.02 | 5.59 | 5.59 | 7.75 | 10.42 | 12.75 |
Heating Condition -Ambient Temp.(DB):-20℃; Water Temp.(Out):41℃ | |||||||||
Heating Capacity | 11.2 | 11.2 | 12.0 | 12.0 | 13.4 | 13.4 | 17.5 | 22.9 | 27.0 |
Heating Power Input | 4.79 | 4.79 | 5.15 | 5.15 | 5.80 | 5.80 | 7.51 | 10.18 | 12.39 |
Power Supply | 220 | 380 | 220 | 380 | 220 | 380 | 380 | 380 | 380 |
Max. Power Input/Current | 6.55/29.8 | 6.55/10.8 | 7.05/32.1 | 7.05/11.9 | 7.6/33.5 | 7.6/12.9 | 11.5/19.5 | 15.5/31.0 | 20.0/36.0 |
Rated Water Flow | 2.32 | 2.32 | 2.67 | 2.67 | 3.01 | 3.01 | 4.30 | 4.78 | 6.02 |
Water Size:Rated Resistance/Max Pressure Tolerance | 26/1.0 | 26/1.0 | 28/1.0 | 28/1.0 | 35/1.0 | 35/1.0 | 40/1.0 | 45/1.0 | 45/1.0 |
R410 Refrigerant | 4.7 | 4.7 | 5.0 | 5.0 | 5.3 | 5.3 | 5.9 | 6.8 | 7.7 |
Diameter of Pipe | DN25 | DN32 | |||||||
Body size(L×W×H) | 998×390×1507 | 998×390×1507 | 998×390×1507 | 998×390×1507 | 998×390×1507 | 998×390×1507 | 1119×390×1598 | 1340×430×1598 | 1340×430×1766 |
Noise | 54 | 54 | 55 | 55 | 56 | 56 | 59 | 61 | 65 |
Net Weight | 158 | 158 | 162 | 162 | 169 | 169 | 210 | 235 | 245 |
Refer to Standard GB/T18430.2-2016 Vapor Compression Cycle Cold Water(Heat Pump)Machines/ GB/T25127.2-2020 Low Ambient Air Source Heat Pumps (Cold Water)Machines/ GB19577-2024 Heat Pumps and Cold Water Machines’ Energy Efficiency Limits and Energy Efficiency Grades
As the company to lead to draw up 15 pieces of heat pump’s industry and national standards, TENESUN residential heating and cooling heat pumps have built-in advantages in quality control and international certification. Some of our facilities have passed multiple authoritative certifications, including CE,UL, China Energy-Saving Product Certification and China Environmental Label Product Certification, meeting the access requirements of some overseas markets. The facilities’ core components are all buying from internationally renowned brands and coordinating to the rigorous quality control system in a 60,000 square meters modern production base.The facilities’ service life can reach more than 20 years, 30% higher than the industry average.
Model: KSR- | 17 Ⅰ BP/C | 17 Ⅱ BP/C | 19Ⅰ BP/C | 19 Ⅱ BP/C | 22 Ⅰ BP/C | 22 Ⅱ BP/C | 28 Ⅱ BP/C | 38 Ⅱ BP/C | 45 Ⅱ BP/C |
Energy-Efficiency Class | Class++++ | ||||||||
Control Mode | Inverter | ||||||||
Heating Condition -Ambient Temp.(DB/WB):7/6℃; Water Temp.(Out):45℃ | |||||||||
Heating Capacity | 17.0 | 17.0 | 19.0 | 19.0 | 22.5 | 22.5 | 28.0 | 37.0 | 45.0 |
Heating Power Input | 4.67 | 4.67 | 5.22 | 5.22 | 6.18 | 6.18 | 7.89 | 10.54 | 12.68 |
Cooling Condition -Ambient Temp.(DB):35℃; Water Temp.(Out):7℃ | |||||||||
Cooling Capacity | 13.5 | 13.5 | 15.5 | 15.5 | 17.5 | 17.5 | 25.0 | 27.8 | 35.0 |
Cooling Power Input | 4.43 | 4.43 | 5.12 | 5.12 | 5.78 | 5.78 | 8.28 | 9.55 | 12.11 |
Heating Condition -Ambient Temp.(DB):-12℃; Water Temp.(Out):41℃ | |||||||||
Heating Capacity | 12.8 | 12.8 | 13.8 | 13.8 | 15.2 | 15.2 | 21.0 | 27.1 | 32.0 |
Heating Power Input | 4.65 | 4.65 | 5.02 | 5.02 | 5.59 | 5.59 | 7.75 | 10.42 | 12.75 |
Heating Condition -Ambient Temp.(DB):-20℃; Water Temp.(Out):41℃ | |||||||||
Heating Capacity | 11.2 | 11.2 | 12.0 | 12.0 | 13.4 | 13.4 | 17.5 | 22.9 | 27.0 |
Heating Power Input | 4.79 | 4.79 | 5.15 | 5.15 | 5.80 | 5.80 | 7.51 | 10.18 | 12.39 |
Power Supply | 220 | 380 | 220 | 380 | 220 | 380 | 380 | 380 | 380 |
Max. Power Input/Current | 6.55/29.8 | 6.55/10.8 | 7.05/32.1 | 7.05/11.9 | 7.6/33.5 | 7.6/12.9 | 11.5/19.5 | 15.5/31.0 | 20.0/36.0 |
Rated Water Flow | 2.32 | 2.32 | 2.67 | 2.67 | 3.01 | 3.01 | 4.30 | 4.78 | 6.02 |
Water Size:Rated Resistance/Max Pressure Tolerance | 26/1.0 | 26/1.0 | 28/1.0 | 28/1.0 | 35/1.0 | 35/1.0 | 40/1.0 | 45/1.0 | 45/1.0 |
R410 Refrigerant | 4.7 | 4.7 | 5.0 | 5.0 | 5.3 | 5.3 | 5.9 | 6.8 | 7.7 |
Diameter of Pipe | DN25 | DN32 | |||||||
Body size(L×W×H) | 998×390×1507 | 998×390×1507 | 998×390×1507 | 998×390×1507 | 998×390×1507 | 998×390×1507 | 1119×390×1598 | 1340×430×1598 | 1340×430×1766 |
Noise | 54 | 54 | 55 | 55 | 56 | 56 | 59 | 61 | 65 |
Net Weight | 158 | 158 | 162 | 162 | 169 | 169 | 210 | 235 | 245 |
Refer to Standard GB/T18430.2-2016 Vapor Compression Cycle Cold Water(Heat Pump)Machines/ GB/T25127.2-2020 Low Ambient Air Source Heat Pumps (Cold Water)Machines/ GB19577-2024 Heat Pumps and Cold Water Machines’ Energy Efficiency Limits and Energy Efficiency Grades