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| The NL-FLM25Y/R32 is an R32 DC inverter swimming pool heat pump designed for pool heating and cooling. It is recommended for swimming pools of 15–40m³ and uses 220V single-phase power. The unit offers up to 7.7kW heating capacity and a COP up to 6.11, helping maintain comfortable pool water temperature with efficient energy use. It operates from -15°C to 43°C and features a twin-rotary DC inverter compressor, titanium tube heat exchanger, DC motor horizontal fan, ABS plastic casing and 50mm water connection. | |||||||||
NL-FLM25Y/32 7.7kW
Nulite New Energy
NULITE R32 DC Inverter Swimming Pool Heat Pump delivers efficient and reliable pool temperature control with advanced inverter technology. Featuring a high COP of up to 6.11, R32 eco-friendly refrigerant, and a corrosion-resistant titanium tube heat exchanger, it ensures energy-saving operation and long-lasting durability. Designed for 15–40m³ swimming pools, this heat pump provides both heating and cooling functions, maintaining comfortable water temperatures throughout the year with stable performance in various outdoor conditions.
Advanced DC inverter technology optimizes compressor operation and automatically adjusts output according to pool demand. With a COP up to 6.11, NULITE swimming pool heat pump delivers efficient heating performance while reducing energy consumption and operating costs.
Equipped with a Twin Rotary DC Inverter compressor, the heat pump provides precise power adjustment, smoother operation, lower noise levels, and more stable temperature control compared with traditional fixed-speed pool heaters.
With a recommended pool volume of 15–40m³, this model is an ideal solution for private villas, gardens, and residential swimming pools, providing comfortable water temperatures with reliable daily operation.
Supporting both heating and cooling modes, NULITE pool heat pump maintains a comfortable swimming environment throughout different seasons, extending the swimming period and improving user experience.
Equipped with a high-quality Panasonic compressor, NULITE swimming pool heat pump delivers stable operation, excellent energy efficiency, and low-noise performance. The advanced compressor technology ensures reliable heating output, smooth inverter control, and long service life even under frequent operation conditions.
Using environmentally friendly R32 refrigerant, the heat pump provides efficient heat transfer with lower environmental impact. Designed to operate from -15°C to 43°C ambient temperature, it delivers dependable performance in various climates.
Smart Energy Management for Lower Operating Costs
*PV Integration
Automatically utilize surplus solar energy to power the heat pump and maximize renewable energy usage.
*Smart Grid Optimization
Adjust heat pump operation based on peak and off-peak electricity periods.
*Higher Energy Independence
Reduce grid dependency and improve overall system efficiency.
We redefine the texture and lifespan of heat pumps with an exclusive patented exterior design. Crafted from thickened galvanized steel, far exceeding conventional sheet metal standards, it resists corrosion and stands firm against time and the elements. This is more than a heat pump—it is a symbol of premium quality, built for those who pursue the finest experience, making every investment worthy of lasting trust.
The optimized air hood profile guides airflow more smoothly, reducing resistance and improving air volume for efficient heat exchange. Its carefully engineered side-discharge structure helps minimize airflow recirculation, supporting stable operating conditions and more reliable performance. By improving airflow distribution across the heat exchanger surface, the design enhances efficiency while also contributing to quieter operation—delivering comfort, durability, and energy-saving pool heating in one solution.
Pool Heat Pump – Front & Rear View
Front View
Fan Cover / Air Outlet Grille: The front grille protects the fan area and supports smooth airflow circulation, helping the unit maintain efficient and stable operation.
Rear View
Nameplate and Barcode: Used to identify the model, specifications, and serial number for management and service reference.
Ambient Temperature Sensor: Monitors the outdoor temperature and helps the system optimize its operating condition.
Refrigerant Pressure Gauge: Displays the refrigerant pressure for convenient inspection and maintenance.
Carrying Handle: Makes unit handling and installation easier and more convenient.
NULITE heat pumps are designed with optimized system integration, supporting key components including an electric heater, expansion tank, and inverter water pump. These components work together to ensure stable water circulation, efficient heating performance, and reliable operation under different application conditions.
Site Preparation & Unit Placement
Choose a well-ventilated outdoor location with enough space for air inlet, air outlet and maintenance access. Place the R290 inverter air source heat pump on a flat concrete base or anti-vibration bracket. Keep the unit stable, level and away from enclosed or poorly ventilated areas.
Water Pipe Connection
Connect the heat pump to the buffer tank, domestic hot water tank, floor heating, radiators or fan coil system according to the project design. Make sure the water inlet and outlet are connected correctly. Pipe insulation is recommended to reduce heat loss and improve heating efficiency.
Private Residential Swimming Pools
Premium Pool Comfort for Modern Villas
Small Hotels & Guesthouse Pools
Indoor Swimming Pools & Wellness Centers
Seasonal Outdoor Pools
NULITE Swimming Pool Heat Pump – Installation Case Studies
NULITE Swimming Pool Heat Pumps have been successfully installed in various residential and commercial pool projects worldwide, providing efficient and reliable pool temperature control solutions. From private villas and luxury resorts to hotels, wellness centers, and public swimming facilities, NULITE pool heat pumps deliver stable heating and cooling performance to ensure comfortable swimming experiences throughout the year.
With proven applications across markets including Europe, the Middle East, and other regions, NULITE swimming pool heat pumps help customers maintain ideal pool temperatures while reducing energy consumption through advanced inverter technology and high-efficiency heat exchange design.
NULITE continues to provide professional pool heating solutions for global customers, offering flexible products for different pool sizes, climates, and application requirements.
Interested in swimming pool heat pump installation cases for your region? Contact us for project references and customized pool heating solutions!
1. What pool size is the NL-FLM25Y/R32 suitable for?
The NL-FLM25Y/R32 is recommended for swimming pools of 15–40m³. It is suitable for private home pools, villa pools, garden pools, small indoor pools and small leisure pools that need efficient water temperature control.
Can this swimming pool heat pump provide both heating and cooling?
Why is this pool heat pump energy efficient?
How should this swimming pool heat pump be installed?
What after-sales service do you provide?
