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The SensaHeat ES Series 20kW is a high-capacity full DC inverter spa and pool heat pump with WiFi control as standard, built around a Mitsubishi DC compressor and titanium heat exchanger. Sized for larger residential pools — delivers fast heat-up and reliable year-round operation on single-phase 230V power (no 3-phase upgrade required). Hard-wired install (licensed electrician required). Backed by Australia's largest OEM spa equipment distribution network — local stock and service across VIC, NSW, QLD, and WA, not the typical drop-shipping experience.

Heating & Cooling Performance

• 20.2kW heating @ 27°C Air / 27°C Water / 80% Humidity — COP 10.8 ~ 6.2 (average 9.1 at 50% speed)
• 14.0kW heating @ 15°C Air / 26°C Water / 70% Humidity — COP 6.5 ~ 4.2 (average 6.1 at 50% speed)
• 7.7kW cooling capacity — reverse cycle for hot-day pool cooling

Recommended For

• Larger residential pools up to ~60,000L
• Lap pools and large family pools requiring fast heat-up
• Commercial and semi-commercial spa or pool installations
• Cooler climates including regional VIC and NSW — strong winter output

Why Choose SensaHeat ES?

• Single-Phase 230V: Major advantage at this capacity — no 3-phase upgrade required, lower electrician install cost.
• WiFi App Control as Standard: Monitor temperature, schedules, and modes from anywhere.
• Mitsubishi DC Inverter Compressor: Up to 7x more efficient than fixed-speed heat pumps at part load.
• Reverse-Cycle Heating & Cooling: Auto-defrost with stable DC inverter operation.
• Titanium Heat Exchanger: ~40% higher efficiency than standard exchangers, chlorine and salt-water rated.
• R32 Refrigerant: Low-GWP (675, ~30% of R410A), future-proof gas charge.
• Anti-Rust ABS Casing: Built for Australian outdoor weather.
• Soft Start Technology: Reduces startup current draw by up to 70%.
• Quiet Operation: 46.3 ~ 58.1 dB at 1m — drops to 26.3 ~ 38.1 dB at 10m.

Spa Control System Integration

The SensaHeat ES is a popular retrofit heat pump for spas running Balboa, SpaNet, Gecko (AEware), and Davey control systems — including SpaPro, WWDG, Sapphire, Alpine, Oasis, Vortex, and most Chinese-import spas. Integration uses the optional Sensaheat Heat Pump Relay Controller (DT-1071021) for spa-controller-driven heating. For standalone pool installs, the Dontek / Sensaheat Universal Heat Pump Controller (J-Box / MJ Box / Intelliheat) provides full filtration and heating automation. Common spare parts — flow switches, water temperature sensors, controllers, capacitors, and PI/ES union gaskets — are held locally in stock for fast turnaround on repairs.

Warranty

• Titanium Heat Exchanger: 25 Years
• Compressor: 3 Years
• Other Parts: 2 Years
• On-Site Labour: 1 Year (T&Cs apply)

Documentation

SensaHeat ES Series User & Installation Manual (PDF)

Full Specifications — 20kW (SP-HPES20)

Model	SP-HPES20
Heating @ Air 27°C / Water 27°C / Humidity 80%
Heating capacity	20.2kW
COP Range	10.8 ~ 6.2
Average COP at 50% Speed	9.1
Heating @ Air 15°C / Water 26°C / Humidity 70%
Heating capacity	14.0kW
COP Range	6.5 ~ 4.2
Average COP at 50% Speed	6.1
Cooling capacity	7.7kW
Technical Specifications
Reverse cycle	Standard
Operating air temperature	0°C ~ 43°C
Heating temperature range	18°C ~ 40°C
Cooling temperature range	12°C ~ 30°C
WiFi	Built-in
Heat exchanger	Titanium
Power supply	230V / 1 Ph (single-phase)
Electrical connection	Hard Wired (electrician required)
Rated input power	0.60 ~ 3.26 kW
Rated input current	2.61 ~ 14.16 A
Maximum input current	19.5 A
Sound level at 1m	46.3 ~ 58.1 dB(A)
Sound level at 10m	26.3 ~ 38.1 dB(A)
Advised water flow rate	120 ~ 150 L/min
Water connection	40mm
Net dimensions (LxWxH)	991 x 349 x 754 mm
Net weight	68 kg

For specific data, please refer to the installation manual and the nameplate on the unit.

Pair It With

• Sensaheat Heat Pump Relay Controller — for Balboa, SpaNet, Gecko, Davey integration
• Dontek Universal Heat Pump Controller (J-Box / Intelliheat) — for standalone filtration and heating automation
• Pool Heat Pump Condensate Drainage Kit
• 3-way valve kit (discounted when bundled with this heat pump — ask in cart)
• SensaHeat PI / ES Union Gaskets (spare seals)