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| 10kW–40kW DC Inverter Air Source Heat Pump NULITE DC Inverter Air Source Heat Pump is a high-efficiency monoblock solution for heating, cooling and domestic hot water applications. With 10kW–40kW heating capacity, it is suitable for villas, apartments, energy-efficient homes and light commercial projects. Powered by full DC inverter technology and Mitsubishi inverter compressor, the system automatically adjusts output according to demand, achieving efficient operation, stable comfort and lower energy consumption. It operates reliably from -25°C to 43°C and supports 55°C DHW, 45°C heating and 12°C cooling. Featuring Mitsubishi inverter compressor, high-efficiency plate heat exchanger and inverter water pump, the unit delivers reliable performance and flexible integration with floor heating, fan coils, radiators and hot water tanks. With Wi-Fi, RS485 and multi-language control, it provides a smart and energy-saving solution for modern buildings. Key Features - 10kW–40kW Heating Capacity - Full DC Inverter Technology - Mitsubishi Full Inverter Compressor - Heating, Cooling & DHW Function - -25°C Low Temperature Operation - Wi-Fi, RS485 & Multi-language Control | |||||||||
NL-FLM30-95II/R32
Nulite New Energy
The R32 inverter air source heat pump is designed to provide efficient space heating, cooling,and domestic hot water for residential and light commercial applications. With a maximumoutlet water temperature of 55°C, it can meet daily comfort needs in different seasons.Equipped with inverter technology, the system automatically adjusts its operating capacityaccording to real demand, helping reduce energy consumption and improve temperaturestability. Using R32 refrigerant, the unit offers reliable performance with lower environmentalimpact. It is a practical and energy-saving solution for villas, apartments, offices, and small commercial buildings.
Energy-Saving Inverter Technology
The R32 inverter air source heat pump adjusts compressor speed according to real heating, cooling and hot water demand. This helps reduce power consumption, avoid frequent start-stop cycles, and improve long-term operating stability for residential and light commercial projects.
Heating, Cooling & Hot Water
Designed as an all-in-one comfort solution, this R32 air to water heat pump supports space heating, cooling and domestic hot water supply. With up to 55°C hot water output, it can meet daily comfort needs for homes, apartments, villas and small commercial buildings.
Eco-Friendly R32 Refrigerant
Using R32 refrigerant, the unit offers better environmental performance compared with traditional refrigerants such as R410A. R32 features high heat transfer efficiency and lower global warming potential, helping customers choose a more sustainable and future-ready heating and cooling solution.
Stable Performance for Different Seasons
The inverter control system helps the heat pump maintain stable performance under changing outdoor temperatures and load conditions. It automatically adjusts output to provide comfortable indoor temperature, reliable hot water and smooth operation throughout different seasons.
Smart Control & Reliable Quality
Equipped with intelligent control, the R32 inverter air source heat pump is easy to operate and supports precise temperature management. Each unit is designed for efficient performance, durable operation and factory quality inspection, helping customers build confidence in long-term use.
Built with Modbus RTU protocol, the unit integrates readily with building automation and energy management systems. It allows real-time monitoring of key operating data such as water temperatures, compressor status, operating mode, fault codes, and energy consumption, and permits remote control of on/off, mode switching, temperature setpoints, and special functions including quiet mode and legionella disinfection. Multi-unit networking makes centralized management of several heat pumps possible.Users can integrate heat pumps into their existing control systems to support remote monitoring and control.
This heat pump features PV DC direct-drive technology: the DC electricity produced by the photovoltaic system drives the compressor directly, with no inverter or battery needed, maximizing solar utilization. With ample daytime sunlight, it can save up to 90% energy, and around 60% overall. Mains and PV power switch seamlessly, with PV prioritized and mains automatically making up for any PV shortfall.
NULITE R32 DC Inverter Heat Pump is designed to meet European market requirements with reliable performance and quality assurance. Supported by CE certification and Declaration of Conformity (DoC), it ensures compliance with essential safety and technical standards. Designed for heating, cooling, and hot water applications, this high-efficiency heat pump delivers stable operation, energy-saving performance, and long-term comfort for modern European homes.
NULITE R32 DC Inverter Heat Pump supports WiFi remote control via Tuya or Smart Life APP, enabling users to monitor and adjust heating, cooling, and hot water settings anytime. With RS485 communication capability, it allows flexible system integration and intelligent energy management. Designed for modern homes, it delivers convenient control, efficient operation, and lasting comfort.
The heat pump can be controlled by third-party thermostats. According to the Nulite controller settings, single-zone or multi-zone control can be achieved through third-party thermostats, and clients can conveniently power the unit on/off or change operating modes using the thermostat.
● Thickened Galvanized Steel Housing
Constructed with high-quality galvanized steel, offering superior strength, durability, and corrosion resistance for long-term outdoor operation.
● Exclusive Patented Design
Combining robust materials with refined craftsmanship, the unique exterior design delivers premium quality and lasting protection.
● Durable Performance Over Time
Designed to withstand harsh environments while maintaining reliable performance and an elegant appearance.
A quiet heat pump creates a more peaceful living environment, especially for residential areas, bedrooms, and noise-sensitive spaces.
● Optimized Airflow Design
The patented air hood guides airflow smoothly, reducing turbulence and air resistance to minimize operating noise.
● Reduced Airflow Disturbance
The optimized side-discharge structure prevents airflow short-circuiting, allowing the unit to run more smoothly and quietly.
● Comfortable Living Experience
Lower noise operation helps maintain a relaxing indoor environment, so users can enjoy heating, cooling, and hot water comfort without disturbance.
R32 DC Inverter Air Source Heat Pump Design
Front View · Optimized Airflow Performance
The front fan design ensures efficient air circulation and stable heat exchange, delivering reliable heating and cooling performance.
Rear View · Practical Design for Easy Installation & Maintenance
The rear layout integrates essential components including water connections, temperature sensing, and system monitoring interfaces, ensuring convenient installation, operation, and long-term service.
Thoughtful Details · Reliable Performance
From optimized airflow to user-friendly connections, every detail is designed to provide efficient operation, easy maintenance, and lasting comfort.
NULITE heat pumps integrate essential components such as an electric heater, expansion tank, and inverter water pump to simplify installation and improve system stability. This optimized design ensures efficient water circulation, reliable performance, and long-term comfort for residential applications.
The advanced touchscreen controller supports 15 languages, providing a user-friendly experience for customers worldwide. With a clear interface and intelligent temperature management, users can easily control heating, cooling, and domestic hot water functions in their preferred language.
Supported Languages:
Chinese · English · German · Spanish · French · Italian · Czech · Russian · Polish · Danish · Dutch · Turkish · Lithuanian · Estonian · Ukrainian
● Optimized Unit Placement
Install the heat pump in a well-ventilated outdoor area with sufficient space for airflow and maintenance, ensuring stable and efficient operation.
● Flexible Water System Connection
Designed for seamless connection with buffer tanks, DHW tanks, floor heating, radiators, and fan coil systems. Proper piping and insulation help maximize efficiency and reduce heat loss.
Residential Houses
Cold Climate Regions
Villas and Large Homes
Small Hotels and Guesthouses
Light Commercial Buildings
R32 DC Inverter Air-Source Heat Pump – Installation Case Studies
NULITE R32 DC Inverter Air Source Heat Pumps have been successfully installed in over 80 countries worldwide, supporting a wide range of residential and commercial applications. With proven projects across European markets, including Germany, Poland, the Netherlands, Bulgaria, and other countries, NULITE heat pumps deliver reliable heating, cooling, and domestic hot water solutions adapted to different climate conditions and user needs.
Backed by advanced inverter technology and extensive project experience, NULITE continues to provide efficient and reliable energy solutions for customers around the world.
Interested in installation cases in your region? Contact us for project references and professional solution support.
What is the maximum outlet water temperature?
The R32 inverter air source heat pump can provide hot water up to 55°C, making it suitable for domestic hot water, floor heating and fan coil systems. It helps meet daily comfort needs while maintaining efficient and stable operation.
What functions does this heat pump support?
What is the operating ambient temperature range?
Why choose R32 refrigerant?
Is the heat pump suitable for residential use?
