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Thermotec Inverter Pro Pool Heat Pumps

Thermotec Inverter Pro Pool Heat Pumps

£2,195.00
Model Thermotec Inverter Pro (Grey Cases)

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Warren & Leanne here

01249 588853

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Need Installation?
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Description

Is the Thermotec Inverter Heat Pump Really Worth It? Here’s Why It Saves Energy and Keeps Running Costs Lower.

Choosing a Thermotec inverter heat pump is all about making pool heating more efficient and more manageable over time. Unlike older-style systems that simply switch on and off at full power, inverter technology allows the heat pump to adjust its output depending on demand. That helps maintain a steadier water temperature while using energy more sensibly, which is exactly what you want when you’re trying to keep the pool swim-ready without spending a fortune.

For families who want to make the most of their pool across more of the season, that makes a real difference. You’re not just heating water for the odd sunny afternoon — you’re creating a setup that feels more practical for regular use. Lower running costs, more stable performance and less waste all add up to a much better long-term investment than a basic fixed-speed unit.

thermotec-inverter-pro-horizontal-and-vertical-pool-heat-pumps-side-by-side

What’s included with the Thermotec Inverter Pro Pool Heat Pump?


✓ Full inverter technology for efficient pool heating

✓ Heating and cooling functions for year-round use

✓ Free Wi-Fi control for easier temperature management

✓ Mitsubishi inverter compressor for reliable performance

✓ Quiet brushless DC fan motor

✓ Operates in air temperatures down to -15°C

✓ Lockable touch screen control panel

✓ Durable titanium heat exchanger

✓ Automatic hot gas defrost system

✓ Safe for chlorine and saltwater pools

✓ 3-year parts and labour warranty

✓ 5-year compressor and heat exchanger warranty

What Makes the Thermotec Inverter Pro Such a Smart Upgrade? Here’s Why It Delivers Quieter Heating and Easier Everyday Use.

The Thermotec Inverter Pro range stands out because it offers more than simple heating power. It’s built to make pool ownership feel easier. With inverter-driven performance, modern controls and quieter operation, it’s a smarter choice for households that want something efficient but also pleasant to live with. If your pool sits near the house, patio or garden seating area, quieter running is one of those features you’ll appreciate very quickly.

It also helps that the range includes practical features like WiFi control, so managing the temperature feels far less fiddly. Rather than trekking outside every time you want to check or adjust the settings, you get a much more convenient way to stay in control. Add in the durable titanium heat exchanger and broad model range, and it’s clear this is designed for proper day-to-day use rather than just looking good on a spec sheet.

thermotec-eco-inverter-heat-pump-installed-with-above-ground-intex-pool

Is the Thermotec Inverter Pro Price Worth Paying? Here’s Why the Efficiency and Features Make It a Strong Long-Term Investment.

The thermotec inverter pro price reflects the fact that this is a premium bit of pool equipment, but that’s exactly why the features matter. A cheaper heat pump can look tempting at first, but if it’s noisier, less efficient and harder to manage, it may end up costing more in both running costs and frustration. The Thermotec Inverter Pro range is designed to give you stronger long-term value through better efficiency, easier control and a build that’s made to cope with regular use.

When you’re spending good money on a pool heat pump, you want it to feel worthwhile every time you use it. This range offers that extra reassurance through its smart controls, efficient inverter technology and durable materials suited to chlorine and saltwater pools alike. It’s the sort of investment that makes sense for pool owners who want to use their pool more often, extend the season, and avoid the usual faff that comes with lower-quality equipment.

thermotec-pro-pool-heat-pump-beside-above-ground-pool-with-children-playing-in-water

You can also compare Thermotec pool heat pumps across the full range, including Mini, Neo, Inverter Pro and Inverter Edge models. For a more detailed breakdown, see our Thermotec Mini vs Neo vs Inverter Pro vs Inverter Edge comparison.

What size Thermotec Inverter Pro do I need for my pool?

If you want the short answer, the right Thermotec heat pump size depends on your pool volume, whether the pool is covered, how warm you want the water, and how much of the season you want to use it. Because this page combines both horizontal models from 9kW to 24kW and vertical models from 29kW to 34kW, the sensible first step is to work out your pool volume and then match it to the right part of the range.

The sizing guide below is based on a covered swimming pool. If your pool is uncovered, very exposed to wind, or you want stronger heating earlier and later in the season, it is usually better to size up rather than cut things too fine and spend the summer quietly annoyed.

Model kW Recommended Max Pool Volume Absolute Max Pool Volume
Thermotec Inverter Horizontal 9kW 9kW 30m³ 45m³
Thermotec Inverter Horizontal 12kW 12kW 40m³ 60m³
Thermotec Inverter Horizontal 17kW 17kW 50m³ 75m³
Thermotec Inverter Horizontal 20kW 19.5kW 65m³ 95m³
Thermotec Inverter Horizontal 24kW 24.2kW 75m³ 120m³
Thermotec Inverter Vertical 29kW 28.6kW 93m³ 116m³
Thermotec Inverter Vertical 34kW 34kW 109m³ 136m³
Thermotec Inverter Vertical 34kW (3 Phase) 34kW 109m³ 136m³

Please note: the recommended maximum volume is the sensible target for efficient everyday heating. The absolute maximum volume is more of an upper limit, and in real life a covered pool will generally perform better if you size to the recommended figure rather than the absolute one.

How to work out your pool volume

Before choosing a Thermotec Inverter Pro, it helps to know your pool volume in cubic metres (m³). It is not the most thrilling bit of pool ownership, admittedly, but it does make choosing the right heat pump much easier and saves a good deal of second-guessing later.

Pool shape How to calculate volume
Rectangular pool Length × Width × Average Depth = Pool volume in m³
Round pool Radius × Radius × 3.14 × Average Depth = Pool volume in m³
Oval pool Length × Width × Average Depth × 0.89 = Pool volume in m³

Example: if your pool is 7m long, 3.5m wide and has an average depth of 1.3m, the volume would be 7 × 3.5 × 1.3 = 31.85m³.

Koi pond sizing guide

If you are using a Thermotec Inverter Pro for a koi pond heated all year round, with a winter temperature of around 12°C and a summer temperature of around 20 to 22°C, the guide below is the more relevant one. This assumes the pond is covered in winter, which is rather important if you would prefer not to heat the outdoors for free.

Model Max Pond Volume
Thermotec Inverter Horizontal 9kW 4500 gallons
Thermotec Inverter Horizontal 12kW 6000 gallons
Thermotec Inverter Horizontal 17kW 7500 gallons
Thermotec Inverter Horizontal 19.5kW 9600 gallons
Thermotec Inverter Horizontal 24kW 11,600 gallons
Thermotec Inverter Vertical 29kW 13,800 gallons
Thermotec Inverter Vertical 34kW 19,900 gallons
Thermotec Inverter Vertical 34kW (3 Phase) 19,900 gallons

What affects the right heat pump size?

Pool volume is the starting point, but it is not the whole story. The right size also depends on whether you use a cover, how exposed the pool is to wind, your target water temperature, and whether you want mainly peak summer use or a longer season. If the pool is uncovered or particularly exposed, it is usually worth stepping up in output rather than going right to the edge of what might theoretically cope.

All pools and ponds should ideally be covered to reduce heat loss and keep running costs sensible. For outside pools, a solar cover makes a real difference. For indoor pools, a proper thermal blanket is the better choice. Covering the water for most of the day helps preserve heat, reduce evaporation and stop your heat pump from having to work harder than necessary.

Horizontal vs vertical Thermotec Inverter Pro models

The horizontal Thermotec Inverter Pro models are generally the natural choice for most domestic pool setups in the 9kW to 24kW range. The vertical models come into their own when you need more output, more heating support, or you are dealing with a much larger pool and want a more serious bit of kit. So if your pool is small to mid-sized, you will usually be looking at the horizontal range first. If it is very large or more demanding, the vertical models are where things start to make more sense.

Specifications for the Thermotec Inverter Pro

Brand Thermotec Inverter Pro Pool Heat Pumps
Heat Pump Type Inverter pool heat pumps
Model Layouts Horizontal and vertical models
Output Range 9kW to 34kW
Technology Full inverter technology
Control Digital controls with WiFi capability
Heat Exchanger Titanium
Pool Compatibility Suitable for chlorine and saltwater pools
Display Touch screen control panel
Key Benefits Lower running costs, quieter operation, easier temperature control
Best For Families wanting efficient, dependable pool heating
Warranty 3-year parts and labour warranty
Warranty (Compressor) 5-year compressor and heat exchanger warranty
thermotec-horizontal-wifi-control-module-mounted-on-wall

Thermotec Inverter Pro Pool Heat Pump Manual

Looking for detailed information? Then check out this installation manual below.

thermotec-pro-manual
Parents & Experts

Warren & Leanne here

01249 588853

Here for You

Need Installation?
We do all the lifting

Overwhelmed?

Skip Endless Browsing

Call Us For Guidance

Best Price

We will match any price

Description

Is the Thermotec Inverter Heat Pump Really Worth It? Here’s Why It Saves Energy and Keeps Running Costs Lower.

Choosing a Thermotec inverter heat pump is all about making pool heating more efficient and more manageable over time. Unlike older-style systems that simply switch on and off at full power, inverter technology allows the heat pump to adjust its output depending on demand. That helps maintain a steadier water temperature while using energy more sensibly, which is exactly what you want when you’re trying to keep the pool swim-ready without spending a fortune.

For families who want to make the most of their pool across more of the season, that makes a real difference. You’re not just heating water for the odd sunny afternoon — you’re creating a setup that feels more practical for regular use. Lower running costs, more stable performance and less waste all add up to a much better long-term investment than a basic fixed-speed unit.

thermotec-inverter-pro-horizontal-and-vertical-pool-heat-pumps-side-by-side

What’s included with the Thermotec Inverter Pro Pool Heat Pump?


✓ Full inverter technology for efficient pool heating

✓ Heating and cooling functions for year-round use

✓ Free Wi-Fi control for easier temperature management

✓ Mitsubishi inverter compressor for reliable performance

✓ Quiet brushless DC fan motor

✓ Operates in air temperatures down to -15°C

✓ Lockable touch screen control panel

✓ Durable titanium heat exchanger

✓ Automatic hot gas defrost system

✓ Safe for chlorine and saltwater pools

✓ 3-year parts and labour warranty

✓ 5-year compressor and heat exchanger warranty

What Makes the Thermotec Inverter Pro Such a Smart Upgrade? Here’s Why It Delivers Quieter Heating and Easier Everyday Use.

The Thermotec Inverter Pro range stands out because it offers more than simple heating power. It’s built to make pool ownership feel easier. With inverter-driven performance, modern controls and quieter operation, it’s a smarter choice for households that want something efficient but also pleasant to live with. If your pool sits near the house, patio or garden seating area, quieter running is one of those features you’ll appreciate very quickly.

It also helps that the range includes practical features like WiFi control, so managing the temperature feels far less fiddly. Rather than trekking outside every time you want to check or adjust the settings, you get a much more convenient way to stay in control. Add in the durable titanium heat exchanger and broad model range, and it’s clear this is designed for proper day-to-day use rather than just looking good on a spec sheet.

thermotec-eco-inverter-heat-pump-installed-with-above-ground-intex-pool

Is the Thermotec Inverter Pro Price Worth Paying? Here’s Why the Efficiency and Features Make It a Strong Long-Term Investment.

The thermotec inverter pro price reflects the fact that this is a premium bit of pool equipment, but that’s exactly why the features matter. A cheaper heat pump can look tempting at first, but if it’s noisier, less efficient and harder to manage, it may end up costing more in both running costs and frustration. The Thermotec Inverter Pro range is designed to give you stronger long-term value through better efficiency, easier control and a build that’s made to cope with regular use.

When you’re spending good money on a pool heat pump, you want it to feel worthwhile every time you use it. This range offers that extra reassurance through its smart controls, efficient inverter technology and durable materials suited to chlorine and saltwater pools alike. It’s the sort of investment that makes sense for pool owners who want to use their pool more often, extend the season, and avoid the usual faff that comes with lower-quality equipment.

thermotec-pro-pool-heat-pump-beside-above-ground-pool-with-children-playing-in-water

You can also compare Thermotec pool heat pumps across the full range, including Mini, Neo, Inverter Pro and Inverter Edge models. For a more detailed breakdown, see our Thermotec Mini vs Neo vs Inverter Pro vs Inverter Edge comparison.

What size Thermotec Inverter Pro do I need for my pool?

If you want the short answer, the right Thermotec heat pump size depends on your pool volume, whether the pool is covered, how warm you want the water, and how much of the season you want to use it. Because this page combines both horizontal models from 9kW to 24kW and vertical models from 29kW to 34kW, the sensible first step is to work out your pool volume and then match it to the right part of the range.

The sizing guide below is based on a covered swimming pool. If your pool is uncovered, very exposed to wind, or you want stronger heating earlier and later in the season, it is usually better to size up rather than cut things too fine and spend the summer quietly annoyed.

Model kW Recommended Max Pool Volume Absolute Max Pool Volume
Thermotec Inverter Horizontal 9kW 9kW 30m³ 45m³
Thermotec Inverter Horizontal 12kW 12kW 40m³ 60m³
Thermotec Inverter Horizontal 17kW 17kW 50m³ 75m³
Thermotec Inverter Horizontal 20kW 19.5kW 65m³ 95m³
Thermotec Inverter Horizontal 24kW 24.2kW 75m³ 120m³
Thermotec Inverter Vertical 29kW 28.6kW 93m³ 116m³
Thermotec Inverter Vertical 34kW 34kW 109m³ 136m³
Thermotec Inverter Vertical 34kW (3 Phase) 34kW 109m³ 136m³

Please note: the recommended maximum volume is the sensible target for efficient everyday heating. The absolute maximum volume is more of an upper limit, and in real life a covered pool will generally perform better if you size to the recommended figure rather than the absolute one.

How to work out your pool volume

Before choosing a Thermotec Inverter Pro, it helps to know your pool volume in cubic metres (m³). It is not the most thrilling bit of pool ownership, admittedly, but it does make choosing the right heat pump much easier and saves a good deal of second-guessing later.

Pool shape How to calculate volume
Rectangular pool Length × Width × Average Depth = Pool volume in m³
Round pool Radius × Radius × 3.14 × Average Depth = Pool volume in m³
Oval pool Length × Width × Average Depth × 0.89 = Pool volume in m³

Example: if your pool is 7m long, 3.5m wide and has an average depth of 1.3m, the volume would be 7 × 3.5 × 1.3 = 31.85m³.

Koi pond sizing guide

If you are using a Thermotec Inverter Pro for a koi pond heated all year round, with a winter temperature of around 12°C and a summer temperature of around 20 to 22°C, the guide below is the more relevant one. This assumes the pond is covered in winter, which is rather important if you would prefer not to heat the outdoors for free.

Model Max Pond Volume
Thermotec Inverter Horizontal 9kW 4500 gallons
Thermotec Inverter Horizontal 12kW 6000 gallons
Thermotec Inverter Horizontal 17kW 7500 gallons
Thermotec Inverter Horizontal 19.5kW 9600 gallons
Thermotec Inverter Horizontal 24kW 11,600 gallons
Thermotec Inverter Vertical 29kW 13,800 gallons
Thermotec Inverter Vertical 34kW 19,900 gallons
Thermotec Inverter Vertical 34kW (3 Phase) 19,900 gallons

What affects the right heat pump size?

Pool volume is the starting point, but it is not the whole story. The right size also depends on whether you use a cover, how exposed the pool is to wind, your target water temperature, and whether you want mainly peak summer use or a longer season. If the pool is uncovered or particularly exposed, it is usually worth stepping up in output rather than going right to the edge of what might theoretically cope.

All pools and ponds should ideally be covered to reduce heat loss and keep running costs sensible. For outside pools, a solar cover makes a real difference. For indoor pools, a proper thermal blanket is the better choice. Covering the water for most of the day helps preserve heat, reduce evaporation and stop your heat pump from having to work harder than necessary.

Horizontal vs vertical Thermotec Inverter Pro models

The horizontal Thermotec Inverter Pro models are generally the natural choice for most domestic pool setups in the 9kW to 24kW range. The vertical models come into their own when you need more output, more heating support, or you are dealing with a much larger pool and want a more serious bit of kit. So if your pool is small to mid-sized, you will usually be looking at the horizontal range first. If it is very large or more demanding, the vertical models are where things start to make more sense.

Specifications for the Thermotec Inverter Pro

Brand Thermotec Inverter Pro Pool Heat Pumps
Heat Pump Type Inverter pool heat pumps
Model Layouts Horizontal and vertical models
Output Range 9kW to 34kW
Technology Full inverter technology
Control Digital controls with WiFi capability
Heat Exchanger Titanium
Pool Compatibility Suitable for chlorine and saltwater pools
Display Touch screen control panel
Key Benefits Lower running costs, quieter operation, easier temperature control
Best For Families wanting efficient, dependable pool heating
Warranty 3-year parts and labour warranty
Warranty (Compressor) 5-year compressor and heat exchanger warranty
thermotec-horizontal-wifi-control-module-mounted-on-wall

Thermotec Inverter Pro Pool Heat Pump Manual

Looking for detailed information? Then check out this installation manual below.

thermotec-pro-manual