-35°C
+48°C
Heat Pump
SX
Advanced Low-Temperature Technology

SongXin Low-Temperature Air Source Heat Pump for Hot Water Stable Hot Water from -35°C to 48°C — High Efficiency, All Year Round

-35°C Extreme Cold
+48°C Extreme Heat
Up to 75% Energy Savings
Quiet Operation
Intelligent Cloud Control

SongXin — Pioneering Low-Temperature Heat Pump Technology for Extreme Climates

Efficient Hot Water Solutions for Every Climate

The SongXin Low-Temperature Air Source Heat Pump for Hot Water is a breakthrough innovation in high-performance domestic and commercial water heating systems. Designed specifically to deliver stable and efficient hot water even in extreme weather conditions, this advanced system combines intelligent engineering, robust durability, and outstanding energy efficiency. Equipped to perform from freezing -35°C winters to scorching +48°C summers, it provides consistent, cost-effective hot water throughout the year.

01

Product Overview: Advanced Low-Temperature Air Source Heat Pump for Hot Water

The SongXin HVAC Low-Temperature Air Source Heat Pump for Hot Water operates on the reverse Carnot cycle principle — a cutting-edge thermodynamic system that extracts thermal energy from the ambient air. By consuming only a fraction of the electricity used by traditional electric heaters, the compressor transforms low-grade heat energy into usable high-temperature refrigerant. This energy is then efficiently transferred through a high-efficiency condenser to heat water up to 60°C or higher.

This innovative process not only ensures a steady supply of hot water but also reduces electricity consumption by up to 75% compared to conventional heating methods. The result is exceptional energy performance, lower operating costs, and long-term sustainability for residential, commercial, and industrial users.

Reverse Carnot Cycle

Advanced thermodynamic system extracts thermal energy from ambient air efficiently

75% Energy Savings

Dramatically reduces electricity consumption compared to conventional heating methods

Up to 60°C+ Output

High-efficiency condenser delivers hot water at optimal temperatures for all applications

Long-Term Sustainability

Exceptional energy performance ensures lower operating costs and environmental impact

Air Source -35°C ~ +48°C Evaporator Compressor High Pressure Condenser Expansion Valve Hot Water 60°C+ Heat Absorption Compression Heat Release Pressure Drop
COP 4.0+ High Efficiency
02

Key Benefits of the SongXin Low-Temperature Air Source Heat Pump for Hot Water

01

High Efficiency and Energy Savings

SongXin's commitment to energy efficiency is reflected in the system's design. Each unit integrates advanced compressor technology and optimized heat exchange systems. The combination delivers superior part-load and full-load performance, meeting and even exceeding China's national Energy Efficiency Certification standards.

  • Multi-stage energy regulation ensures the unit adapts dynamically to actual demand, optimizing operation under varying load conditions.
  • The modular design allows multiple units to operate in tandem, which enhances scalability and reliability while further improving system efficiency.
  • With energy consumption as low as one-quarter that of traditional heaters, the SongXin heat pump leads the way in green energy solutions for water heating.
02

Wide Operating Range & Strong Environmental Adaptability

Whether dealing with harsh winter cold or the intense heat of summer, the Low-Temperature Air Source Heat Pump for Hot Water performs flawlessly. Rigorously tested under extreme environmental conditions, it guarantees dependable operation from -35°C to +48°C.

Hotels and resorts requiring 24/7 hot water for guest rooms and facilities
Hospitals, schools, and dormitories where hygiene and reliability are crucial
Industrial facilities needing continuous hot water for production and staff housing
Residential buildings and villas seeking quiet, efficient domestic water heating

With the SongXin system, users can enjoy uninterrupted comfort and consistent hot water supply all year round—no matter the climate.

03

Trusted Reliability and Long Lifespan

Reliability is at the heart of every SongXin HVAC product. Each Low-Temperature Air Source Heat Pump for Hot Water unit undergoes rigorous long-term laboratory testing under simulated extreme operating conditions. Testing covers corrosion resistance, fatigue endurance, and repeated on/off cycles to ensure lasting durability.

  • Every unit is subject to 100% factory testing before shipment.
  • The system's robust materials and corrosion-resistant components ensure years of reliable service.
  • The combination of advanced protective features—including overload, high/low pressure, phase, and antifreeze protections—secures worry-free operation in any environment.

This rigorous quality assurance guarantees that every SongXin unit leaving the factory delivers stable and efficient performance for years to come.

04

Quiet and Comfortable Operation

Comfort extends beyond water temperature. The Low-Temperature Air Source Heat Pump for Hot Water integrates multiple acoustic optimization technologies to minimize noise. Equipped with high-efficiency scroll compressors and soundproofed enclosures, the system provides whisper-quiet performance ideal for hospitality and residential applications.

  • 3D low-noise fan blades are aerodynamically engineered to improve airflow while reducing operational noise.
  • Vibration isolation structures effectively eliminate mechanical resonance.
  • Optimized air channels and motor control further enhance quiet operation, ensuring an undisturbed environment indoors or outdoors.

Enjoy the benefits of high-efficiency water heating without the noise disturbance typical of traditional systems.

05

Dedicated Hot Water Compressors for Superior Performance

Unlike general-purpose systems, SongXin's Low-Temperature Air Source Heat Pump for Hot Water employs specialized compressors designed specifically for hot water generation. Incorporating advanced injection technology, the compressor maintains strong refrigerant flow and cooling capability even at extremely low ambient temperatures.

  • Injection cooling technology boosts heating capacity and system stability in subzero climates.
  • Dedicated hot water circuitry prevents performance degradation during prolonged operation.
  • The result: continuous, reliable, and high-efficiency hot water output across all seasons.

This commitment to precision engineering ensures exceptional reliability and extended lifespan of the entire system.

03

Technical Specifications of SongXin Low-Temperature Air Source Heat Pump for Hot Water

Parameter Typical Range
Nominal Heating Capacity (kW) 40 – 160
Low-Temp Heating Capacity (kW) 34 – 136
Water Flow (m³/h) 0.635 – 3.44
Power Input (kW) 8.7 – 36.8
Max Running Current (A) 29 – 116
Refrigerant R410A
Compressor Type Low-Temp Enhanced Scroll / Standard Scroll
Expansion Device Electronic Expansion Valve / Dual EEV
Heat Exchanger High-Efficiency Shell & Tube
Fan Type Low-Noise Axial Fan
Water Pipe Connection DN40 – DN80
Water Pressure Drop (kPa) ≤50 – ≤70
Operation Control Intelligent Cloud Control
Safety Protections High/Low Pressure, Overload, Flow, Anti-Freeze, Phase
Operating Temp. (Heating Mode) -35°C to +48°C
Outlet Water Temp. 15°C – 60°C
Unit Dimensions (mm) 850×850×1440 ~ 2100×1100×2365
Unit Weight (kg) 250 – 960

These specifications underline the product's flexibility, allowing engineers, contractors, and property managers to select the most suitable capacity and configuration for their specific projects.

04

Smart Control and Safety Assurance

The SongXin Low-Temperature Air Source Heat Pump for Hot Water comes equipped with an intelligent cloud-based control system, allowing for remote monitoring, data tracking, and operational adjustments. Through the cloud platform, users can easily view real-time performance metrics, adjust settings, schedule maintenance, and manage energy consumption—all from a mobile device or computer.

Extensive Safety Features:

  • Automatic fault detection and alert notifications
  • Anti-freeze and flow protection for cold-weather reliability
  • Phase and overload protection to prevent damage
  • Self-adaptive defrosting algorithms for frost-free heating

These advanced protections ensure not only operational security but also ease of management for busy facility operators.

Cloud Platform Mobile Computer Safety Protected
05

Low-Temperature Air Source Heat Pump for Hot Water – Application Recommendations

SongXin's system versatility makes it suitable for diverse applications:

01

Hotels and Resorts

Requirements:

High-volume hot water for guest services, kitchens, and housekeeping.

Recommended Model: Series 40–160 kW
Advantages:
  • 24-hour continuous hot water up to 60°C
  • Modular installation matches varying hotel sizes
  • Energy savings over 60% vs. traditional boilers
02

Hospitals and Healthcare Facilities

Requirements:

Consistent, sanitary hot water for patient wards, surgeries, and staff facilities.

Recommended Model: Series 75–200 kW
Advantages:
  • Dual electronic expansion valves maintain thermal efficiency
  • Reliable performance under fluctuating demands
  • Meets strict hygiene and safety standards
03

Schools, Universities, and Dormitories

Requirements:

Daily hot water for dorm showers, canteens, and sports facilities.

Recommended Model: Series 100–240 kW
Advantages:
  • Smart cloud monitoring for centralized management
  • Long service life and stainless steel tank compatibility
  • Consistent performance even during peak usage
04

Factories and Industrial Parks

Requirements:

Large-volume hot water for employee living quarters and production needs.

Recommended Model: Series 120–300 kW
Advantages:
  • Industrial-grade components designed for heavy load
  • 50–70% energy savings compared with fossil fuel systems
  • Durable operation down to -35°C ambient temperature
05

Residential Complexes and Villas

Requirements:

Comfortable, quiet, and reliable hot water for homes and communities.

Recommended Model: Series 40–85 kW
Advantages:
  • Compact footprint suitable for limited-space installations
  • Near-silent operation ideal for residential use
  • Continuous supply throughout the year
06

Compact, Durable, and Easy to Install

The Low-Temperature Air Source Heat Pump for Hot Water series offers multiple size and capacity configurations, ranging from 250 kg to 960 kg per unit. This makes installation flexible for projects of all scales—whether upgrading a single-family villa system or building a centralized supply for a commercial complex.

The rugged chassis, corrosion-resistant coatings, and modular design simplify maintenance while extending product lifespan. Each system is designed for minimal footprint, making integration seamless even in space-constrained sites.

Flexible Sizing

250 kg – 960 kg configurations

Rugged Chassis

Corrosion-resistant coatings

Modular Design

Simplified maintenance

Minimal Footprint

Space-constrained compatible

07

About SongXin HVAC – Your Trusted HVAC Partner

With a legacy of innovation and precision engineering, SongXin HVAC has emerged as a trusted name in the global heating, ventilation, and air conditioning industry. Serving customers in more than 50 countries, SongXin's 50,000-square-meter facility integrates advanced R&D, manufacturing, and testing laboratories dedicated to thermal performance, pressure integrity, noise control, and environmental simulation.

All products undergo 100% material inspection and final testing compliant with international standards. This unparalleled attention to detail ensures that every unit—particularly the Low-Temperature Air Source Heat Pump for Hot Water—meets global expectations of quality, efficiency, and endurance.

50+ Countries Worldwide
50,000m² Manufacturing Base
100% Quality Control
ISO Certified Standards
08

Why Choose the SongXin Low-Temperature Air Source Heat Pump for Hot Water?

Exceptional energy savings

Up to 75% over electric systems

Wide operating range

From -35°C to +48°C ambient temperatures

Quiet operation

Perfect for hotels, hospitals, and homes

Durable and tested design

Built for decades of reliable use

Smart control connectivity

Remote operation anytime, anywhere

Conclusion

The SongXin Low-Temperature Air Source Heat Pump for Hot Water represents the future of energy-efficient hot water production. Designed for reliability, engineered for performance, and built for long-term sustainability, it offers a superior alternative to traditional water heating systems. Whether for commercial, industrial, or residential applications, SongXin delivers dependable comfort with lower costs and reduced environmental impact.

Choose SongXin HVAC
Powering your comfort with advanced, eco-friendly, and intelligent heating technology.