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Thermotec Inverter Edge Heat Pump 13.8kw (15kw Boost)
Thermotec Inverter Edge Heat Pump 13.8kw (15kw Boost)
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The Thermotec Inverter Edge Horizontal with WiFi is a full inverter pool and pond heat pump range from 10.5kW to 30kW, with boost outputs up to 32kW. Suitable for covered pools from 30m³ to 93m³ recommended volume, with a titanium heat exchanger for chlorine and saltwater pools.
1. Description of the Thermotec Inverter Edge Heat Pumps
The Thermotec Edge Inverter Swimming Pool Heat Pump is a high-efficiency heating system designed to maintain a consistent and comfortable swimming pool temperature throughout the swimming season. Using advanced inverter technology, the unit adjusts its output automatically to match the heating demand of the pool, resulting in improved efficiency, lower energy consumption, and quieter operation.
The heat pump extracts heat from the surrounding air and transfers it into the pool water via a high-quality titanium heat exchanger, making it suitable for both chlorinated and saltwater pools. Built with durability and reliability in mind, the Edge series is designed for long-term outdoor installation and consistent performance.
2. Features of the Thermotec Inverter Edge Heat Pumps
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Full Inverter Technology – Automatically adjusts compressor and fan speed to match heating demand, delivering higher efficiency and lower running costs.
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High Efficiency Performance – Designed to achieve excellent COP levels, maximising heat output while minimising electricity consumption.
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Quiet Operation – Variable speed fan and compressor significantly reduce noise levels compared to traditional on/off heat pumps.
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Titanium Heat Exchanger – Durable titanium heat exchanger suitable for both chlorine and saltwater pools, ensuring long-term corrosion resistance.
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Smart Digital Controller – Supplied with a colour LCD wired controller allowing easy temperature control, monitoring and diagnostics.
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Energy Saving Operation – The inverter system maintains stable water temperatures with reduced power usage and smoother operation.
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Durable Outdoor Construction – Built for permanent outdoor installation with weather-resistant casing and components.
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Suitable for Inground or Above Ground Pools – Compatible with most pool circulation systems for flexible installation.
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Note: These heat pumps do not come with a power cable or plug.
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They require a heavy-duty round flex cable with a 13A UK plug fitted.
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For an easy installation we recommend purchasing the Plug & Play Cable Kit, which converts the heat pump into a plug-and-play system.
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The Inverter Edge 12.5kW, 15.8kW, 18.5kW, 22kW, 23.5kW, 29kW and 32kW models can run from a standard 13A UK plug.
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Larger models must be hardwired by a qualified electrician as their electrical load can exceed 13A.
- Suitable for inground or above ground pools
3. What Size ThermoTec Inverter Edge Heat Pump Do I Require For My Pool?
The sizing guide for a covered swimming pool is:-
| MODEL | KW | RECOMMENDED MAX POOL VOLUME | ABSOLUTE MAX POOL VOLUME |
|---|---|---|---|
| Thermotec Edge Horizontal | 10.5kW Boost to 12kW | 30m³ | 45m³ |
| Thermotec Edge Horizontal | 13.8kW Boost to 15kW | 40m³ | 60m³ |
| Thermotec Edge Horizontal | 17kW Boost to 18kW | 50m³ | 75m³ |
| Thermotec Edge Horizontal | 20.5kW Boost to 22kW | 65m³ | 95m³ |
| Thermotec Edge Horizontal | 21.5kW Boost to 23.5kW (3 Phase) | 65m³ | 95m³ |
| Thermotec Edge Horizontal | 25kW Boost to 28kW | 75m³ | 105m³ |
| Thermotec Edge Horizontal | 30kW Boost to 32kW | 93m³ | 116m³ |
| Thermotec Edge Horizontal | 30kW Boost to 32kW (3 Phase) | 93m³ | 116m³ |
The sizing guide for a pond is:-
| MODEL | KW | MAX POND VOLUME |
|---|---|---|
| Thermotec Edge Horizontal | 10.5kW Boost to 12kW | 4,500 Gallons |
| Thermotec Edge Horizontal | 13.8kW Boost to 15kW | 6,000 Gallons |
| Thermotec Edge Horizontal | 17kW Boost to 18kW | 7,500 Gallons |
| Thermotec Edge Horizontal | 20.5kW Boost to 22kW | 9,600 Gallons |
| Thermotec Edge Horizontal | 21.5kW Boost to 23.5kW (3 Phase) | 9,600 Gallons |
| Thermotec Edge Horizontal | 25kW Boost to 28kW | 11,600 Gallons |
| Thermotec Edge Horizontal | 30kW Boost to 32kW | 13,800 Gallons |
| Thermotec Edge Horizontal | 30kW Boost to 32kW (3 Phase) | 13,800 Gallons |
4. COP And Performance of the Thermotec Inverter Edge Heat Pumps
The Edge inverter heat pump delivers excellent efficiency through its variable speed technology.
Typical performance values include:
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COP range: approx 3.6 – 6.15 depending on operating conditions.
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High efficiency under optimal air and water temperature conditions.
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Reduced energy consumption at partial load.
5. Extremely Quiet Operation on the Thermotec Inverter Edge Heat Pumps
The Thermotec Inverter Edge range work very silently thanks to a unique internal ventilation system and the inverter technology.
Both the fan and compressor automatically adjust their speed to match the pool heat demand, therefore once the pool is up to temperature, the unit can operate with reduced power consumption and noise.
6. Controls on the Thermotec Inverter Edge Heat Pumps
The Thermotec Inverter Edge display will show:-
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Date and time
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Day of the week
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Current water temperature
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Target (set) temperature
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ON/OFF power icon
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Function settings icon
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Clock / timer icon
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Fault display icon
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Silent mode icon
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Mode icon (heating / cooling / automatic)
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Temperature / power curve icon
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Water inlet temperature setting
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Lock icon (screen lock / unlock)
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PV mode icon (if solar PV control is enabled)
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Boost mode icon (shows when boost mode is active)
7. Specifications of the Thermotec Inverter Edge Heat Pumps
Please see the Specifications here.
8. Electrical Requirements on the Thermotec Inverter Edge Heat Pumps
| Model | Rated Current | Runs from 13A UK Plug? | Min Cable Size | MCB | RCD |
| 10.5kW | 13A | Yes | 2.5mm2 | Type C | 13A |
| 13.8kW | 13A | Yes | 2.5mm2 | Type C | 13A |
| 17kW boost to 18kW | 14.1A | No | 2.5mm2 | Type C | 16A |
| 20.5kW boost to 22kW | 16.6A | No | 4mm2 | Type C | 25A |
| 21.5kW boost to 23.5kW (3-Phase) | 9.04A | No | 6mm2 | Type C | 32A |
| 25kW boost to 28kW | 23.91A | No | 6mm2 | Type C | 32A |
| 30kW boost to 32kW | 27.4A | No | 6mm2 | Type C | 32A |
| 30kW boost to 32kW (3 Phase) | 12.0A | No | 2.5mm2 | Type C | 20A |
* We recommend that heat pumps are hard wired or run from “Commando” sockets.
**Type A is the Minimum required but a type B is recommended.
9. Water Connections
The heat pump connects directly into the pool circulation system. The unit comes with a pair of threaded unions. 2 straight 50ml pipe.
Typical connection order:
Pool → Pump → Filter → Heat Pump → Return to Pool
The titanium heat exchanger ensures compatibility with:
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Chlorinated pools.
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Saltwater pools.
