Whisper-Quiet Operation for Poolside Comfort
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Ultra-Low Noise: Achieves an impressively quiet sound level of just 37dB(A) at a 1-meter distance—quieter than a typical library.
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Intelligent Speed Adjustment: Advanced inverter control fine-tunes compressor and fan operation to reduce sound output when stable temperatures are maintained.
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Perfect for Residential Pools: Designed for peaceful backyard environments where noise levels matter, ideal for villas and community pools.
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Engineered by SolarEast: This premium pool heat pump reflects the quality and precision of SolarEast’s engineering team.
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Built on the Legacy of Sunrain: With technical roots from the trusted Sunrain brand, the system delivers both performance and acoustic comfort.

Back Inlet Air Flow and Side Discharge Design
- Rear Air Intake, Side Discharge: The unit adopts a rear inlet and side outlet layout, optimizing airflow path for smooth ventilation and improved heat transfer.
- Boosted Efficiency: This layout reduces air resistance and enhances system performance, contributing to faster temperature regulation and lower power consumption.
- Stable Operation in All Weather: Designed to perform efficiently in various climates, ensuring consistent pool temperature throughout the seasons.
- Developed by SolarEast: Designed by SolarEast’s R&D team with deep expertise in heat pump aerodynamics.
- Built on Sunrain Experience: The airflow system inherits design philosophies from Sunrain, combining innovation and field-proven performance.

Smart WiFi Control for Poolside Freedom
- Remote Access Anytime, Anywhere: Built-in WiFi connectivity allows users to monitor and control pool heating from smartphones or tablets—whether at home or on the go.
- Real-Time Temperature Adjustment: Instantly check and modify water temperature to match your schedule or sudden weather changes.
- Smart Scheduling: Set automatic heating cycles to optimize comfort and energy usage without manual intervention.
- Energy Insights & Alerts: Receive system status notifications and track energy consumption to maximize efficiency.
- Powered by SolarEast Innovation: Developed by SolarEast with smart control technology inspired by the experience of the Sunrain legacy platform.

Automated Manufacturing for Consistent Quality
- Advanced Production Lines: SolarEast's facilities feature high-precision equipment such as laser cutting machines, CNC bending systems, and automated powder coating units.
- High-Efficiency Processes: From high-pressure foaming to robotic assembly, each stage is optimized to ensure accuracy and repeatability.
- Stable Product Output: Automation minimizes human error, maintaining uniform standards across all production batches.
- Built to International Standards: Every process aligns with global quality benchmarks, ensuring heat pumps meet diverse market requirements.
- Legacy of Sunrain Expertise: SolarEast’s intelligent production system builds upon the industrial experience of the Sunrain brand, trusted for engineering excellence.

Advanced Laboratory Testing for Proven Reliability
- Certified by TUV & Intertek: SolarEast’s in-house lab is fully certified by TUV and Intertek, ensuring globally recognized testing standards.
- Extreme Climate Simulation: The facility replicates harsh environmental conditions from -30°C to 52°C, validating performance in both cold and hot climates.
- Comprehensive Testing Scope: Equipped for water drawdown, explosion-proof, and long-cycle durability tests, covering critical safety and functional assessments.
- $3 Million Investment in Quality: This state-of-the-art laboratory reflects SolarEast’s long-term commitment to high-performance, safe, and durable heat pumps.
- Technical Roots from Sunrain: The laboratory's testing philosophy is rooted in decades of engineering experience under the Sunrain brand.

Global Showroom Experience with a Sustainable Vision
- 1,200㎡ Flagship Display Area: SolarEast’s overseas showroom showcases a full range of heat pumps, water tanks, solar energy systems, and integrated low-carbon solutions.
- Immersive Product Interaction: Clients can experience the design, features, and functionality of each product in a hands-on, real-world setting.
- Highlighted at International Exhibitions: Featured at events like the Canton Fair, the showroom demonstrates SolarEast’s global presence and product excellence.
- Sustainability at the Core: Every display reflects the company’s mission to provide high-efficiency, eco-friendly heating technologies for a cleaner future.
- Backed by Sunrain Expertise: The showroom’s product innovations are built upon the technical heritage of the Sunrain brand, trusted in global clean energy markets.
About Solareast Heat Pump Ltd
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Founded: 1999
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Publicly Listed: On the Shanghai Stock Exchange (Stock code: 603366.SS)
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Mission: "Clean the World, Create a Better Life"
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Products: Residential ESS, Commercial & Industrial ESS, Inverters, Heat Pumps (including swimming pool heat pumps), EV Chargers, Portable Power Stations
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Vertical Integration: Manufactures over 85% of key components in-house, ensuring quality and reliability (source: PR Newswire)
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Brands: Operates several well-known clean energy brands including SolarEast, Sunrain, Sacon, and Micoe
In summary, SolarEast is a significant force in the clean energy industry, known for its innovation, comprehensive product offerings, and commitment to sustainability.
FAQ
Q1: How quiet is 37dB(A) in real-life terms?
A: 37dB(A) is quieter than a whisper (typically ~40dB), and similar to the sound of a quiet library or gentle breeze. It ensures a peaceful poolside experience without disturbing your surroundings—ideal for residential or urban environments.
Q2: How do I choose the right heat pump capacity for my pool?
A: Selection depends on pool size, temperature preferences, and regional climate. As a guideline:
7–12kW: Suitable for pools up to 50m³
12–18kW: For medium pools around 50–80m³
18–25kW: Recommended for larger pools up to 120m³
For optimal performance, SolarEast specialists are available to help with personalized sizing advice.
Q3: What are the advantages of the back inlet and side discharge design?
A: This design enhances airflow dynamics, improves heat exchange efficiency, and reduces operational noise. It also allows for flexible installation while maintaining optimal performance in varying weather conditions.
Q4: What functions can I control with the WiFi remote?
A: Through the mobile app, users can manage:
Real-time temperature adjustment
Heating/cooling mode switching
Weekly scheduling
Energy consumption tracking
System alerts and diagnostics
This smart feature, developed by SolarEast, ensures you stay in full control—anytime, anywhere.
Product Parameter
Model |
BYC-007TH1 |
BYC-010TH1 |
BYC-013TH1 |
BYC-017TH1 |
BYC-021TH1 |
BYC-025TH1 |
* Heating Capacity at Air 26℃, Humidity 80%, Water 26℃ in, 28℃ out |
Heating Capacity (kW) |
7.0~1.7 |
9~2.3 |
12.5~3.0 |
16.5~3.8 |
20.5~4.8 |
25~6.8 |
Power Input (kW) |
1.04~0.12 |
1.34~0.16 |
1.84~0.21 |
2.46~0.25 |
3.06~0.32 |
3.73~0.44 |
COP |
14.5~6.7 |
14.3~6.7 |
14.5~6.8 |
15~6.7 |
15~6.7 |
15.5~6.7 |
* Heating Capacity at Air 15℃, Humidity 70%, Water 26℃ in, 28℃ out |
Heating Capacity (kW) |
5.3~1.3 |
6.8~1.7 |
9.3~2.2 |
12.3~2.8 |
15.0~3.5 |
19.0~4.9 |
Power Input (kW) |
1.06~0.17 |
1.39~0.23 |
1.86~0.29 |
2.51~0.37 |
3.06~0.47 |
3.88~0.65 |
COP |
7.5~5.0 |
7.5~4.9 |
7.5~5.0 |
7.5~4.9 |
7.5~4.9 |
7.5~4.9 |
* Cooling Capacity at Air 35℃, Water 29℃ in, 27℃ out |
Cooling Capacity (kW) |
3.7~1.0 |
4.9~1.4 |
6.5~1.8 |
8.2~2.3 |
10.2~2.8 |
12.5~3.8 |
Power Input (kW) |
1.0~0.15 |
1.32~0.21 |
1.76~0.27 |
2.22~0.35 |
2.76~0.42 |
3.38~0.58 |
EER |
6.6~3.7 |
6.6~3.7 |
6.6~3.7 |
6.6~3.7 |
6.6~3.7 |
6.6~3.7 |
* General data |
Power supply |
220~240V/1/50 |