21kW Inverter Pool Heat Pump – Silent Smart Heating | Sirair Inverwatt

Energy-Efficient 21kW Pool Heater with Wi-Fi Control | Sirair

Enjoy perfect pool temperatures year-round with the Sirair Inverwatt 21kW Pool Heat Pump, a powerful, energy-saving heating solution that combines inverter technology, smart Wi-Fi control, and ultra-quiet operation. Designed for medium to large residential pools, this heat pump intelligently adjusts its output to match your pool’s real-time heating demands—saving you energy and money with every cycle. Thanks to its inverter compressor, the Inverwatt operates silently and efficiently, maintaining your desired water temperature with whisper-quiet performance. With eco-conscious construction, smart connectivity, and weather-resistant durability, the 21kW Inverwatt is the smart choice for eco-friendly, cost-effective pool heating.

Perfect for:

• Homeowners seeking efficient pool heating with low running costs
• Year-round pool use in moderate to large pools
• Spa and wellness centers needing stable water temperature
• Residential estates and guesthouses
• Pools located in noise-sensitive areas

Features:

• • 21kW Heating Capacity – Perfect for medium to large residential pools
  • Advanced Inverter Technology – Uses only the energy needed

• Heating & Cooling function – brings pool to set temperature whether on heating or cooling

• • Ultra-Quiet Operation – Operates at very low dB levels
  • Wi-Fi Smart Control – Remotely adjust and monitor via smartphone app
  • Eco-Friendly Refrigerant – R32 
  • Weather-Resistant Housing – Built for long-term outdoor durability
  • Energy-Saving Design – Cuts electricity usage drastically
  • Low Maintenance – Fewer moving parts and longer component lifespan
  • Wifi Network – Please ensure stable network near installation location

• Aluminum Front Cover – engineered for style

Benefits:

• Lower heating costs with inverter-powered efficiency
• Maintain perfect temperature all year with precision control
• Enjoy silent operation—no noisy equipment ruining the atmosphere
• Reduce your carbon footprint without sacrificing performance
• Extend swimming seasons and increase pool value
• Easy to manage remotely, even while away from home

Usage Tips:

• • Combine with a pool blanket or cover to retain heat and save energy
  • Set heating schedules via the app for optimal off-peak use
  • Clean intake vents regularly to ensure peak airflow and performance
  • Install near pool pump for efficient water flow circulation
  • Ensure professional installation and regular service to maintain warranty and peak performance

• The recovery time should take up to 3-5 operating days depending on ambient temperature.

Specifications:

• Model: Sirair Inverwatt 21kW
• Heating Capacity: 21kW
• Energy Efficiency: High (Inverter-based)
• Noise Level: Low dB
• Refrigerant: R32
• Control: Wi-Fi compatible (smartphone app control)
• Installation: Outdoor, near pool pump system
• Voltage: Configurable for regional standards
• Warranty: Full 2 year warranty from installation date. Please refer to manufacturers’ terms and conditions.

Installer Network Access:

To make installation even easier, each unit comes with a QR code that can be scanned to access a list of verified, nationwide approved installers. Whether you’re in Johannesburg, Cape Town, Durban, or anywhere in between, you’ll have quick access to professional installation support in your area.  Please note that installation is not included in the unit price, clients are required to contact and pay the selected installer directly.

What’s in the box:

• 1 x 21kW Inverter Pool Heat Pump | Sirair Inverwatt
• 1 x Wi-Fi Module (Pre-installed)
• 1 x User Manual
• 1 x Installation Guide

Dimensions (cm) & Gross Weight:

92 x 44 x 78 (71kg)