Reliable Heating at ‑35°C | Efficient Cooling up to 48°C | Comfort for All Seasons
When it comes to reliable, energy‑efficient temperature control across all seasons, the SongXin HVAC Low‑Temperature Air Source Heat Pump (Cooling/Heating Water Unit) stands out as a powerful, intelligent, and environmentally responsible solution. Designed for both residential and commercial use, this high‑performance system ensures strong heating capacity even under extreme cold and stable cooling during scorching summers—providing comfort year‑round while keeping energy consumption in check.
The SongXin HVAC Low‑Temperature Air Source Heat Pump (Cooling/Heating Water Unit) is designed to overcome the challenges of harsh climates. Unlike conventional air source systems that struggle at sub‑zero temperatures, this unit maintains dependable heating performance even when the outdoor temperature drops to as low as ‑35°C. Conversely, it provides effective cooling in conditions soaring up to 48°C.
Such flexibility makes it an ideal solution for homes, apartments, hotels, schools, hospitals, factories, and even large‑scale district heating projects. Engineered with advanced heat pump technology, modular design options, and smart control systems, SongXin HVAC delivers comfort, efficiency, and innovation in one compact and durable unit.
Each component of the SongXin HVAC system is meticulously designed for peak performance, safety, and user convenience. Below is a closer look at its standout features.
Whether facing freezing winters or blazing summers, this system delivers unwavering performance. With heating capability down to ‑35°C and cooling efficiency up to 48°C, it ensures comfort across diverse climates. The wide operating range guarantees stable operation in northern cold regions, coastal zones, or even tropical areas where weather conditions fluctuate drastically.
The built‑in intelligent control system optimizes output by automatically adjusting loads to match heating or cooling demands. Through cloud‑based remote monitoring, users can manage operations from a mobile phone, tablet, or PC, ensuring full visibility and effortless control—anytime, anywhere. This feature also enables unattended operation, significantly reducing labor and maintenance costs.
At the heart of the SongXin unit lies an advanced scroll compressor with vapor injection and liquid spray cooling. This configuration enhances low‑temperature heating performance, ensuring robust output even in harsh conditions. The technology prevents capacity drops during extremely cold weather, guaranteeing stable thermal efficiency and extended system lifespan.
Equipped with dual electronic expansion valves, each system finely regulates refrigerant flow through 500‑step electronic control. This allows rapid response to changing load demands while maintaining optimal operating efficiency. The resulting precision ensures consistent comfort levels and maximized energy savings.
To transfer heat efficiently between refrigerant and water, the unit employs V‑type or double V‑type finned coils and inner‑grooved copper tubes. These components increase heat exchange surface area and resist corrosion—delivering a longer operational life with minimal maintenance. Such structural innovation helps maintain stable output and low running costs over many years of continuous service.
Committed to sustainability, the SongXin HVAC system uses environmentally friendly R410A refrigerant with zero ozone depletion potential (ODP=0). This not only ensures negligible harm to the ozone layer but also significantly cuts carbon footprint, aligning with international environmental standards and green building requirements.
Reliability comes first in the SongXin HVAC design philosophy. Each unit integrates multi‑level safety protections against overvoltage, undervoltage, overload, antifreeze, and water flow errors. Real‑time error detection and alerts ensure that operations remain secure under all conditions—offering long‑term peace of mind to users and operators.
Thanks to optimized airflow pathways and a large‑diameter, low‑speed fan, the system minimizes operating noise while maintaining high efficiency. This quiet operation makes it perfectly suitable for residential areas, hotels, offices, and other spaces where comfort and silence coexist.
From polar‑level cold to desert‑level heat, the SongXin HVAC system sustains reliable operation. The wide thermal range allows seamless switching between heating and cooling modes, providing comfortable indoor environments regardless of geographic region.
Through advanced smart control interfaces, users can fine‑tune temperature settings or monitor system performance remotely. Whether managing a hotel HVAC network or home system, you can track energy usage and adjust parameters efficiently in real time.
The upgraded scroll compressor's vapor injection technique compensates for low ambient temperatures, ensuring that the heating performance remains consistent without excessive power draw—ideal for regions with prolonged winters.
The cutting‑edge dual‑valve system guarantees precise control of refrigerant flow under fluctuating demands. This translates into improved comfort, faster response, and higher seasonal energy efficiency.
Multi‑layer protection parameters keep the unit functioning smoothly under voltage fluctuations, frost buildup, or water pressure irregularities. This ensures safety across extended daily or industrial runtimes.
Noise reduction has been carefully engineered into every design detail—from aerodynamic fan blades to insulated components—delivering minimal disturbance and a tranquil indoor experience.
| Parameter | Range (Typical Values) |
|---|---|
| Cooling Capacity (kW) | 70 – 510 |
| Heating Capacity (kW) | 50 – 450 |
| Power Input (kW) | 20 – 150 |
| Water Flow (m³/h) | 11 – 80 |
| Water Pressure Drop (kPa) | ≤25 – ≤95 |
| Operating Temperature (Cooling) | ‑35°C ~ 20°C |
| Operating Temperature (Heating) | ‑20°C ~ 55°C |
| Refrigerant | R410A |
| Unit Dimensions (mm) | 1100×1100×1480 ~ 3517×2100×2050 |
| Unit Weight (kg) | 430 – 3100 |
Founded with an unwavering commitment to innovation and precision engineering, SongXin HVAC has evolved into a reputable leader in the international HVAC industry. With operations spanning over 50 countries, the company delivers advanced climate control solutions that merge performance, sustainability, and smart technology.
SongXin's manufacturing base covers 50,000 square meters and includes advanced testing laboratories for pressure, leakage, noise, and environmental simulation. Every air source heat pump—such as the SongXin HVAC Low‑Temperature Air Source Heat Pump (Cooling/Heating Water Unit)—undergoes rigorous inspection and testing procedures in accordance with international standards.
Comprehensive quality control—from 100% incoming material inspection to final product validation—ensures that every shipment meets or exceeds international benchmarks. Whether your project calls for residential comfort or commercial‑scale heating, SongXin HVAC stands ready to provide dependable, eco‑friendly, and future‑ready solutions.
Operations spanning 50+ countries with localized support, comprehensive logistics, and dedicated regional partnerships ensuring timely delivery and service worldwide.
From 100% incoming material inspection through pressure, leakage, noise testing, and environmental simulation—every unit passes strict validation before leaving the factory.
Eco‑friendly refrigerants, high‑efficiency components, and intelligent energy management ensure every SongXin system minimizes environmental impact while maximizing performance.
The SongXin HVAC Low‑Temperature Air Source Heat Pump (Cooling/Heating Water Unit) embodies the future of intelligent climate control—combining high efficiency, broad temperature adaptability, silent operation, and environmental responsibility. From private residences to industrial facilities and city‑scale heating projects, it delivers unmatched reliability and energy savings wherever it is installed.
Choosing SongXin means investing in proven performance, superior technology, and dedicated service support. With SongXin HVAC, you gain not only a product—but a long‑term partner committed to smarter, greener, and more efficient comfort solutions for every season.
