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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

Heat pump unit operating in snowy winter environment
15+ Years Experience 100% Factory Tested R410A Refrigerant
ISO 9001 CE AHRI RoHS
Efficient Hot Water Solutions for Every Climate
Modern energy-efficient heating system in a clean utility room
COP 4.0+ High Efficiency
Reverse Carnot Cycle

SongXin Low-Temperature Air Source Heat Pump for Hot Water

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.

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.

Core Advantages

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, enhancing 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.
Green energy technology — solar panels and clean energy infrastructure
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.

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

Suitable for hotels, hospitals, schools, industrial facilities, and residential buildings — wherever reliable hot water is critical.
Extreme cold winter landscape with snow-covered mountains
Hotels & Resorts Hospitals Schools Industrial
03

Trusted Reliability and Long Lifespan

Reliability is at the heart of every SongXin HVAC product. Each 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.
  • Advanced protective features — including overload, high/low pressure, phase, and antifreeze protections — secure worry-free operation in any environment.
Rigorous quality assurance guarantees that every SongXin unit delivers stable and efficient performance for years to come.
Quality control engineer inspecting industrial equipment in factory
04

Quiet and Comfortable Operation

Comfort extends beyond water temperature. The system integrates multiple acoustic optimization technologies to minimize noise. Equipped with high-efficiency scroll compressors and soundproofed enclosures, it 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.
Peaceful luxury hotel room with soft lighting and quiet ambiance
05

Dedicated Hot Water Compressors for Superior Performance

Unlike general-purpose systems, SongXin's heat pump 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.
  • 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.
Precision industrial machinery and engineering components
Technical Data

Product Specifications

ParameterTypical 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
RefrigerantR410A
Compressor TypeLow-Temp Enhanced Scroll / Standard Scroll
Expansion DeviceElectronic Expansion Valve / Dual EEV
Heat ExchangerHigh-Efficiency Shell & Tube
Fan TypeLow-Noise Axial Fan
Water Pipe ConnectionDN40 – DN80
Water Pressure Drop (kPa)≤50 – ≤70
Operation ControlIntelligent Cloud Control
Safety ProtectionsHigh/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.

Smart home control tablet displaying energy monitoring dashboard
Intelligent Platform

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 & alert notifications
Anti-freeze & flow protection for cold-weather reliability
Phase & 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.
Recommended Applications

Tailored Solutions for Every Industry

Luxury hotel resort pool and exterior 01

Hotels and Resorts

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

Series 40–160 kW
24h hot water up to 60°C Modular sizing 60%+ energy savings vs. boilers
Modern hospital building exterior 02

Hospitals and Healthcare Facilities

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

Series 75–200 kW
Dual EEV thermal efficiency Fluctuating-demand reliable Strict hygiene standards
University campus buildings 03

Schools, Universities, and Dormitories

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

Series 100–240 kW
Smart cloud monitoring Stainless steel tank compatible Peak-usage consistent
Industrial factory production facility 04

Factories and Industrial Parks

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

Series 120–300 kW
Industrial-grade heavy load 50–70% energy savings Operates to -35°C
Modern residential villa with garden 05

Residential Complexes and Villas

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

Series 40–85 kW
Compact footprint Near-silent operation Year-round supply
Installation

Compact, Durable, and Easy to Install

The 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.

Flexible Sizing

250 kg – 960 kg configurations

Rugged Chassis

Corrosion-resistant coatings

Modular Design

Simplified maintenance

Minimal Footprint

Space-constrained compatible

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
50,000m²Mfg. Base
100%QC Tested
ISOCertified
Modern manufacturing facility with advanced production line
Why SongXin

Why Choose the SongXin Low-Temperature Heat Pump?

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 & Tested

Built for decades of reliable use

Smart Connectivity

Remote operation anytime, anywhere

Conclusion

The Future of Energy-Efficient Hot Water Production

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.