Swimming pools, as special venues characterized by high humidity and energy consumption, require heat pump systems that are precisely designed to meet core needs such as pool water heating, air temperature and humidity control, dehumidification, and waste heat recovery. Below is an analysis of heat pump equipment applications in swimming pool scenarios and its comparative advantages over traditional energy equipment:
I. Common Heat Pump Equipment and Functions in Swimming Pools
Specialized Heat Pump for Pool Water Heating
Function: Maintains constant pool water temperature throughout the year (26-28°C), supporting rapid heating (5°C increase within 4-6 hours after new water replenishment).
Corrosion Resistance: Uses titanium alloy heat exchangers to resist chloride ions (residual chlorine ≤3ppm).
Technical Parameters:
Outlet water temperature range: 35-50°C (adjustable), COP ≥ 5.0 (at 40°C water temperature).
Recommended model: GRAT Pool Heat Pump Series.
Three-in-One Dehumidification Heat Pump (Pool Water Heating + Air Conditioning + Dehumidification)
Integrated Functions:
Dehumidification: Controls humidity at 50-60% (prevents condensation and mold growth).
Heat Recovery: Recovers latent heat during dehumidification for pool water heating or air reheating (energy savings of 30-40%).
Fresh Air Handling: Introduces and pre-conditions outside air to maintain indoor air freshness (CO₂ concentration ≤1000ppm).
Core Configuration:
Desiccant wheel + condensing heat recovery module, e.g., GRAT Pool Dehumidification Heat Pump Series.
Dual-Mode Heat Pump (Floor Heating + Air Conditioning)
Application Scenarios:
Heats floors around the pool to prevent discomfort from cold surfaces.
Provides air conditioning for offices and public spaces within the pool area.
Technical Highlights:
Anti-clogging design for wastewater heat exchangers (self-cleaning filter + spiral flow channel).
Recovers about 20-30kWh of heat per ton of wastewater.
II. Comparative Advantages of Heat Pump Equipment vs. Traditional Energy Equipment
III. Typical System Architecture Solutions
Solution 1: Large Competition Pool (3000㎡)
Configuration:
3 units of 200kW three-in-one dehumidification heat pumps (humidity control + pool water heating)
2 units of 150kW water source heat pumps (waste heat recovery from shower water)
500m³ solar collectors + 200m³ phase change energy storage tanks
Results:
Annual comprehensive energy consumption ≤65kWh/㎡, meeting ultra-low energy consumption requirements of the "Design Standard for Energy Efficiency of Public Buildings".
Automatic humidity control prevents fogging on diving platforms, affecting competitions.
Solution 2: Community Constant Temperature Pool (25m×12.5m)
Configuration:
1 unit of 50kW specialized pool heat pump (titanium tube heat exchanger)
1 unit of 30kW heat recovery dehumidifier
Intelligent variable-frequency circulation pump (adjusts flow based on occupancy)
Results:
Operating costs reduced from RMB 180,000/year to RMB 70,000/year, with a payback period of less than 3 years.
Winter indoor temperature of 28°C and humidity of 55%, significantly enhancing comfort.
IV. Implementation Suggestions
Design Stage:
Calculate peak loads (recommended pool surface heat dissipation of 200W/㎡).
Allow for 10-15% redundant power to handle extreme weather.
Installation Key Points:
Position heat pump units more than 5m from pool edges to avoid chloride corrosion.
Install electrostatic dust removal devices (PM2.5 filters) at fresh air inlets of dehumidification heat pumps.
Operation and Maintenance Management:
Monthly cleaning of air-side evaporators (high-pressure water guns + neutral cleansers).
Annual inspection of refrigerant charging levels and heat exchanger pressure resistance.
V. Summary
The core value of heat pump systems in swimming pools lies in:
Energy Integration: Links pool water heating, air dehumidification, and waste heat recovery into a series for cascaded energy utilization.
Environmental Friendliness: Eliminates combustion pollution from traditional boilers, improving indoor air quality (IAQ).
Economic Leap: Reduces operational cost sensitivity through "valley electricity thermal storage + solar complementarity".
Experience Upgrade: Precisely controls temperature and humidity, avoiding condensation and pungent chlorine odors, enhancing venue competitiveness.
For swimming pool operators, heat pump systems are not only a choice for energy-saving renovations but also a core technological path toward transitioning to green and healthy venues.
