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Full DC Inverter Swimming Pool Heat Pump

Designed for private, hotel and commercial pools, the full DC inverter system adjusts compressor and fan speed to actual heat demand—providing powerful initial heating, stable temperature maintenance, optional cooling and quieter part-load operation.

CASSKY full DC inverter swimming pool heat pump installed beside a pool
Front view of a CASSKY full DC inverter pool heat pump
Side view of a CASSKY full DC inverter pool heat pump
Full DC Inverter Variable compressor and fan speed
Heating & Cooling Year-round pool temperature control
Titanium Heat Exchanger Designed for treated pool water
Smart Control Options Wi-Fi / 4G remote control available

From Outdoor Air to Stable Pool Temperature

Instead of converting electricity directly into heat, the system transfers available energy from outdoor air to the filtered pool-water circuit. Full DC inverter control adjusts compressor and fan speed as operating conditions and heat demand change.

Capture Ambient Heat

The evaporator absorbs available heat from outdoor air into the refrigerant circuit.

Raise Refrigerant Temperature

The inverter compressor increases refrigerant pressure and temperature for useful heat transfer.

Transfer Heat to Pool Water

The titanium heat exchanger transfers energy to the circulating pool water after filtration.

Modulate to Maintain Setpoint

Compressor and fan speed reduce as the water approaches its target, limiting unnecessary cycling.

Pool volume, surface area, starting and target water temperatures, ambient conditions, wind exposure, pool-cover use and the required heat-up time all affect capacity selection. A pool cover can substantially reduce evaporation and ongoing heat loss.

Match Output to Actual Pool Heat Demand

Full DC inverter control varies compressor and fan speed instead of relying on repeated full-output starts and stops. The unit can deliver higher output during initial heating, then modulate as the pool water approaches its target temperature.

Variable Capacity Control Stable Water Temperature Lower Part-Load Sound Fewer Start-Stop Cycles
Initial Heating Higher Output
Approaching Setpoint Modulating Output
Temperature Maintenance Lower-Speed Output

The bars illustrate the control sequence rather than fixed operating percentages. Actual modulation range, heating capacity and energy use vary by model and operating conditions. Capacity should be checked at the lowest intended ambient temperature.

Built for Treated Pool Water

The water circuit, protection devices and chemical dosing layout matter as much as the refrigeration system.

Place chemical dosing downstream of the heater and follow local pool-treatment guidance. Incorrect pH, disinfectant concentration or flow can shorten component life.

Pool Heating for Residential & Commercial Projects

PRIVATE POOL IMAGE

Private Pools

Season extension, low-load maintenance and remote scheduling.

HOTEL POOL IMAGE

Hotels & Resorts

Guest comfort and low perceived noise.

PUBLIC POOL IMAGE

Public Pools

Long operating hours, larger loads and redundancy.

INDOOR POOL IMAGE

Indoor Pools

Coordinate pool heating with separate hall ventilation and dehumidification.

How to Select the Right Pool Heat Pump

Pool volume is only the starting point. A reliable recommendation must also account for climate, water-temperature targets, heat-up time and ongoing heat loss under actual operating conditions.

Pool heat pump selection factors including pool size, climate, water temperature, heat-up time, wind exposure, pool cover and unit quantity
Six project inputs connect pool conditions to the required heating capacity and number of units.

Pool Size & Water Volume

Provide surface area, average depth and total effective water volume.

Site & Climate

Identify indoor or outdoor use, location, design ambient temperature and wind exposure.

Water-Temperature Target

State the starting water temperature, target setpoint and intended operating season.

Required Heat-Up Time

Define when the pool must be ready so initial heating capacity can be calculated.

Pool Cover & Operation

Include cover use, daily schedule, occupancy and conditions that increase evaporation.

Capacity & Unit Quantity

Match actual output at the design condition, then determine single-unit, multi-unit or standby requirements.

Need a model recommendation? Send your pool dimensions, location, temperatures and required ready time.
Send Pool Data  →

Selection should be checked against the unit's heating capacity at the lowest intended ambient temperature, not headline nominal capacity alone. For indoor pools, coordinate pool-water heating with the separate ventilation and dehumidification design.

Pool Heat Pump Series Specifications

Use the series ranges below for initial screening. Final model selection should be based on the calculated pool heat load and the unit's rated output at the project's design air and water conditions.

Heating Capacity 7–35 kW
Cooling Capacity 5–25 kW
COP Up to 15 at A27/W26
Recommended Pool Volume 15–160 m³
Water Temperature Range 15–40°C
Operating Ambient Range −15 to +43°C
Sound Pressure Level From 39 dB(A)
Remote Control Wi-Fi / 4G Optional

OEM support: Custom logo, cabinet colour, controller interface, packaging and documentation are available according to model, market and order quantity.

Specifications shown are series ranges. Individual model performance, available functions and test conditions are listed in the model table.

Get Model Table & Selection Support  →

Pool Heat Pump FAQ

How is the correct pool heat pump capacity selected?

Use pool volume, location, indoor/outdoor condition, season, setpoint, warm-up time, wind exposure and pool-cover use. Then verify output at the lowest intended ambient condition.

How long does it take to heat a swimming pool?

Heat-up time depends on water volume, temperature rise, unit capacity and simultaneous heat loss. Provide the starting temperature and required completion time for calculation.

Can the unit heat and cool pool water?

Applicable reversible models can heat or cool. Confirm the selected model’s water-temperature range and capacity in each mode.

Is the titanium exchanger suitable for saltwater pools?

Titanium is widely used for treated and salt-chlorinated pools, but the project must remain within the manufacturer’s published pH, disinfectant, salinity and flow limits.

What is needed for an OEM inquiry?

Send target market, capacity range, refrigerant, voltage, certifications, cabinet and controller requirements, branding files and quantity.

Partner With Cassky for Reliable Clean Energy Solutions

Cassky specializes in high-performance heat pump systems and solar energy solutions, providing reliable products and customized services for global distributors, engineering companies, contractors, and brand partners.

1. Distributors & Dealers Build long-term partnerships with reliable heat pump and solar energy products, competitive supply capability, and professional support.
2. Engineering Companies & Contractors Get technical assistance, project solutions, and product recommendations for residential and commercial energy projects.
3. OEM / Brand Partners Access customized manufacturing, private label solutions, and flexible cooperation options for your market.

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