🌊 Fairland InverX20 X20-26T 26.5kW 3-Phase Swimming Pool Heat Pump – TurboSilence® Full-Inverter Technology
Premium Three-Phase Power for Maximum Heating Efficiency in Large Residential and Commercial Swimming Pools
Transform your large pool into a year-round oasis with the Fairland InverX20 X20-26T, the ultimate 3-phase inverter heat pump engineered for demanding applications. Delivering a powerful 26.5kW heating capacity in Turbo Mode, this advanced heat pump combines exceptional efficiency with whisper-quiet operation, making it perfect for commercial facilities, large residential pools, and noise-sensitive environments.
With groundbreaking TurboSilence® full-inverter technology, this heat pump adapts dynamically to your heating needs while maintaining COP ratings up to 20.5 – meaning you get up to 20 times more heat energy than electrical energy consumed. Operating efficiently in extreme temperatures from -20°C to +43°C, this is a true four-season heating solution backed by an industry-leading 15-year warranty on the compressor and titanium heat exchanger.
🔥 Why Choose the Fairland InverX20 X20-26T?
Exceptional Energy Efficiency
With a seasonal average COP exceeding 15, this heat pump delivers remarkable energy savings compared to traditional pool heaters. At optimal conditions, achieve COP ratings up to 20.5, meaning every 1kW of electricity produces up to 20.5kW of heating power – reducing your operating costs by up to 80% compared to gas or electric resistance heaters.
Ultra-Quiet TurboSilence® Technology
Enjoy your pool area in peace. Advanced full-inverter technology with dynamic compressor and fan speed control keeps noise levels as low as 24-30 dB(A) at 10 meters – quieter than a whisper. Perfect for residential areas, hotels, and noise-sensitive locations where traditional heat pumps would be too disruptive.
Built for Commercial Demands
The robust 3-phase power supply (400V) ensures reliable performance for large installations. Whether you’re heating a resort pool, leisure centre, or expansive residential pool, this heat pump delivers consistent, powerful heating with recommended pool volumes from 55m³ to 90m³ (approximately 55,000 to 90,000 litres).
Three Intelligent Operating Modes
Adapt to any situation with three purpose-built modes:
- Turbo Mode (100-120%): Maximum 26.5kW output for rapid heating
- Smart Mode (20-100%): Balanced performance with optimal efficiency
- Silence Mode (20-60%): Ultra-quiet night operation without disturbing neighbours
Year-Round Reliability
Unlike conventional heat pumps that struggle in cold weather, the X20-26T operates reliably down to -20°C ambient temperature. Built-in defrost cycles and freeze protection ensure continuous operation through winter, spring, summer, and autumn.
📄 Downloads & Technical Documentation
📥 Complete Installation & User Manual (opens in new tab)
This comprehensive 30-page manual includes detailed technical specifications for all InverX20 models, step-by-step installation instructions with dimensional drawings, complete electrical wiring diagrams for 3-phase connections, operation guide with touchscreen controller instructions, Wi-Fi setup and app connectivity procedures, maintenance schedules and winterizing procedures, troubleshooting guide with error codes, and safety information. Essential reading for installers and owners.
✅ Key Features at a Glance
🔧 Advanced Technology
- TurboSilence® full-inverter technology with dynamic compressor and fan speed control
- Mitsubishi DC twin-rotary inverter compressor for superior efficiency and minimal vibration
- 3D spiral titanium heat exchanger providing 30% greater heat transfer efficiency than standard designs
- Self-optimising control system that adjusts performance based on ambient and water temperatures
💡 Smart Control & Connectivity
- Built-in Wi-Fi module with smartphone app control (iOS and Android compatible)
- Large touchscreen controller with intuitive interface
- Real-time power consumption and heating capacity display
- Programmable timer and temperature scheduling
- Remote monitoring and control from anywhere
🛡️ Premium Build Quality
- Anti-UV aluminum-alloy housing designed for outdoor installation in all weather conditions
- Corrosion-resistant titanium heat exchanger for exceptional longevity in pool water
- Industrial-grade components rated for commercial applications
- Weather-resistant construction suitable for coastal and harsh environments
🔒 Comprehensive Safety Features
- Flow switch and dry run protection prevents operation without water flow
- High and low refrigerant pressure safety controls
- Automatic freeze protection and intelligent defrost system
- Overheat and electrical leakage protection with automatic shutdown
- Automatic restart after power failure with memory function
- Titanium heat exchanger resistant to chlorine and saltwater corrosion
🏆 Peace of Mind Warranty
- 7 years on parts and components
- 15 years on compressor and titanium heat exchanger
- Full CE, RoHS, and EMC compliance certification
📊 Complete Technical Specifications
| Specification | Details |
|---|---|
| Model Number | InverX20 X20-26T |
| Heating Capacity (Turbo Mode) | 26.5kW @ Air 26°C / Water 26°C |
| Heating Capacity (Smart Mode) | 22.0kW @ Air 26°C / Water 26°C |
| Recommended Pool Volume | 55m³ – 90m³ (55,000 – 90,000 litres) |
| COP Range | 7.0 – 20.5 (Seasonal Average >15) |
| COP at 50% Load | ~15.0 (exceptional part-load efficiency) |
| Operating Ambient Temperature | -20°C to +43°C (all-season capability) |
| Power Supply | 400V / 3-Phase / 50Hz |
| Rated Input Power Range | 0.30kW – 3.7kW (variable with inverter control) |
| Max Input Current | Varies with load (see manual for full specifications) |
| Compressor Type | Mitsubishi DC Inverter Twin-Rotary |
| Heat Exchanger | 3D Titanium Spiral (30% more efficient) |
| Refrigerant Type | R32 (low GWP, environmentally friendly) |
| Water Flow Requirement | 7 – 9 m³/h (recommended) |
| Water Connection Size | Ø 50mm (standard pool pipe fitting) |
| Controller | Touchscreen + Wi-Fi App Control |
| Noise Level @ 1m | 44.0 – 50.0 dB(A) (conversation level) |
| Noise Level @ 10m | 24.0 – 30.0 dB(A) (whisper quiet) |
| Dimensions (L × W × H) | 1000mm × 470mm × 720mm |
| Net Weight | Approximately 75kg |
| Cabinet Material | Anti-UV Aluminum-Alloy |
| Certifications | CE, RoHS, EMC Compliant |
| Warranty | 7 Years (Parts) / 15 Years (Compressor & Heat Exchanger) |
🌡️ Performance Across Different Conditions
Understanding how your heat pump performs in various weather conditions helps you plan heating schedules and manage expectations.
Air Temperature 26°C (Ideal Summer Conditions)
| Operating Mode | Heating Output | COP | Power Consumption |
|---|---|---|---|
| Turbo Mode | 26.5kW | 8.0 | 3.3kW |
| Smart Mode | 22.0kW | 15.0+ | 1.5kW |
| Silence Mode | 13.2kW | 20.5 | 0.6kW |
Air Temperature 15°C (Spring/Autumn Conditions)
| Operating Mode | Heating Output | COP | Power Consumption |
|---|---|---|---|
| Turbo Mode | 16.5kW | 5.2 | 3.2kW |
| Smart Mode | 14.0kW | 8.7 | 1.6kW |
Air Temperature 7°C (Cold Weather Conditions)
| Operating Mode | Heating Output | COP | Power Consumption |
|---|---|---|---|
| Turbo Mode | 14.0kW | 4.5 | 3.1kW |
| Smart Mode | 11.8kW | 7.0 | 1.7kW |
💡 What This Means: Even in cold 7°C weather, the heat pump delivers 14kW of heating power while consuming only 3.1kW of electricity – still producing 4.5 times more heat than energy consumed.
⏱️ Estimated Heat-Up Times for Your Pool
Planning your pool heating? Use these estimates to understand how quickly you can raise your pool temperature. These calculations are based on optimal conditions and will vary with factors like ambient temperature, wind exposure, pool cover usage, and insulation.
Formula Used
Time (hours) = (Pool Volume in m³ × Temperature Rise in °C × 1.16) ÷ Heat Pump kW Rating
Heat-Up Time Estimates (Using 22kW Smart Mode @ 15°C Air Temperature)
| Pool Volume | Temperature Rise | Estimated Time | Total Heat Required |
|---|---|---|---|
| 50m³ (50,000L) | 5°C | 15.5 hours | 290 kWh |
| 50m³ (50,000L) | 10°C | 31 hours | 580 kWh |
| 60m³ (60,000L) | 5°C | 18.5 hours | 348 kWh |
| 60m³ (60,000L) | 10°C | 37 hours | 696 kWh |
| 70m³ (70,000L) | 5°C | 21.5 hours | 406 kWh |
| 70m³ (70,000L) | 10°C | 43 hours | 812 kWh |
| 80m³ (80,000L) | 5°C | 24.5 hours | 464 kWh |
| 80m³ (80,000L) | 10°C | 49 hours | 928 kWh |
Heat-Up Time Estimates (Using 26.5kW Turbo Mode @ 26°C Air Temperature)
| Pool Volume | Temperature Rise | Estimated Time | Total Heat Required |
|---|---|---|---|
| 50m³ (50,000L) | 5°C | 11 hours | 290 kWh |
| 50m³ (50,000L) | 10°C | 22 hours | 580 kWh |
| 60m³ (60,000L) | 5°C | 13 hours | 348 kWh |
| 60m³ (60,000L) | 10°C | 26.5 hours | 696 kWh |
| 70m³ (70,000L) | 5°C | 15 hours | 406 kWh |
| 70m³ (70,000L) | 10°C | 31 hours | 812 kWh |
| 80m³ (80,000L) | 5°C | 17.5 hours | 464 kWh |
| 80m³ (80,000L) | 10°C | 35 hours | 928 kWh |
⚠️ Important Notes on Heat-Up Times:
- These are estimates based on ideal conditions with no heat loss
- Actual times will be longer due to heat loss from the pool surface, sides, and floor
- Using a pool cover can reduce heat-up time by 40-60%
- Wind, humidity, and overnight temperature drops significantly affect performance
- Initial heat-up takes longer; maintaining temperature requires much less energy
- For fastest results, use a pool cover and heat during the warmest part of the day
💰 Running Cost Comparison vs. Alternative Heating Methods
Understanding the true cost of pool heating helps you make informed decisions. Here’s how the X20-26T compares to other heating options.
Annual Operating Cost Comparison (70m³ Pool, Heated April-September, UK Electricity £0.28/kWh, Gas £0.07/kWh)
| Heating Method | Efficiency | Annual Energy Cost | Annual Savings vs. Heat Pump |
|---|---|---|---|
| X20-26T Heat Pump | COP 8-15 avg | £350 – £600 | Baseline |
| Electric Resistance Heater | 100% | £4,200 – £5,000 | Save £3,600 – £4,400 (86%) |
| Gas Boiler | 85-92% | £1,800 – £2,400 | Save £1,200 – £1,800 (75%) |
| Oil Boiler | 80-90% | £2,200 – £2,800 | Save £1,600 – £2,200 (79%) |
💡 Typical Season Savings: Most commercial and large residential pool owners save £1,500 to £4,000 annually by switching to inverter heat pump technology. The X20-26T typically pays for itself in energy savings within 2-4 years.
Monthly Running Cost Estimates (70m³ Pool, Maintaining 28°C)
| Month | Avg Air Temp | Estimated Monthly Cost | Monthly Usage Hours |
|---|---|---|---|
| April | 10°C | £120 – £180 | 300-400 hours |
| May | 13°C | £90 – £140 | 250-350 hours |
| June | 17°C | £60 – £100 | 180-280 hours |
| July | 19°C | £50 – £80 | 150-240 hours |
| August | 19°C | £50 – £80 | 150-240 hours |
| September | 16°C | £70 – £110 | 200-300 hours |
| Total Season | – | £440 – £690 | 1,230-1,810 hours |
Based on UK electricity rates of £0.28/kWh. Actual costs vary with weather, pool cover usage, and insulation.
🔧 Installation Requirements & Clearances
Proper installation ensures optimal performance, longevity, and compliance with warranty requirements.
Minimum Clearance Requirements
| Location | Minimum Distance |
|---|---|
| Front (Air Intake) | 300mm clear space |
| Rear (Air Outlet) | 500mm clear space |
| Left Side | 300mm clear space |
| Right Side | 300mm clear space |
| Above Unit | 1000mm clear space |
| Distance from Pool | Maximum 10m recommended |
Installation Checklist
✅ Foundation Requirements:
- Solid concrete base or anti-rust treated steel frame
- Level surface (maximum 2° slope)
- Drainage provision for condensation water
- Secure fixing with M10 bolts
✅ Electrical Requirements:
- 400V 3-phase power supply, 50Hz
- Circuit breaker rated for 11.3A minimum
- Residual current device (RCD) ≤30mA leakage
- Professional hardwired installation (no plugs permitted)
- Proper earthing/grounding essential
- Minimum 5×2.5mm² power cable (increase size for runs >5m)
✅ Plumbing Requirements:
- Hard pipe connections (soft hoses not supported)
- 50mm diameter inlet/outlet connections
- Water flow rate: 7-9 m³/h
- Bypass valve and flow switch installation recommended
- Water pump with maximum lift ≥10m required
✅ Location Considerations:
- Outdoor installation with excellent ventilation
- Protected from strong winds and direct weather exposure
- Accessible for maintenance and servicing
- Away from bedrooms and noise-sensitive areas (if possible)
- Avoid recirculation of exhaust air into intake
⚠️ Professional Installation Required: This is a 3-phase commercial heat pump that must be installed by qualified technicians in accordance with local electrical and building codes. Improper installation voids warranty.
🔇 Noise Level Guide – What You Can Expect
Understanding noise levels helps you choose the right installation location and operating mode for your needs.
| Distance | Turbo Mode | Smart Mode | Silence Mode | Real-World Comparison |
|---|---|---|---|---|
| 1 metre | 44-50 dB(A) | 45 dB(A) | 44 dB(A) | Quiet office, gentle rainfall |
| 10 metres | 24-30 dB(A) | 26 dB(A) | 24 dB(A) | Whisper, rustling leaves |
🔇 Silence Mode Benefits:
- Ideal for overnight heating without disturbing neighbours
- Run during cheaper night-time electricity tariffs
- Perfect for residential areas with noise restrictions
- Still delivers 60% heating capacity while ultra-quiet
🎯 Top 7 Standout Features
1. TurboSilence® Full-Inverter Technology Unlike traditional on/off heat pumps, the full-inverter system continuously adjusts compressor and fan speeds to match heating demand. This delivers 30-50% energy savings, reduces noise by up to 10 times, and extends component lifespan by eliminating harsh start/stop cycles.
2. Exceptional COP Up to 20.5 At optimal conditions (low heating demand, warm weather), achieve a coefficient of performance of 20.5 – meaning you get 20.5kW of heat for every 1kW of electricity. Even under challenging 15°C conditions, COP remains at 8.7, making this one of the most efficient pool heaters available.
3. Three-Phase Commercial Reliability The 400V 3-phase power supply provides smooth, balanced operation perfect for commercial applications, resorts, and large installations. Three-phase motors run cooler, last longer, and deliver more consistent performance than single-phase equivalents.
4. Mitsubishi DC Twin-Rotary Compressor Premium Mitsubishi components ensure reliability and efficiency. The twin-rotary design provides smoother operation, less vibration, and superior efficiency compared to reciprocating compressors found in budget heat pumps.
5. 3D Titanium Spiral Heat Exchanger Advanced heat exchanger design provides 30% greater heat transfer efficiency than conventional tube-in-shell designs. Pure titanium construction resists corrosion from chlorine, salt, and chemicals far better than cupro-nickel or stainless steel.
6. Extended -20°C to +43°C Operating Range From freezing winter conditions to scorching summer heat, this heat pump keeps working. Automatic defrost cycles and freeze protection mean you can heat your pool in any season without manual intervention.
7. Complete Smart Control System Built-in Wi-Fi connectivity lets you monitor and control your pool heating from anywhere using your smartphone. Set schedules, check real-time performance, receive maintenance alerts, and adjust settings without visiting the equipment area.
❓ Frequently Asked Questions
Q: What size pool is the X20-26T suitable for? A: This model is designed for pools with a volume of 55m³ to 90m³ (55,000 to 90,000 litres). To calculate your pool volume: Length × Width × Average Depth = Volume in m³. For example, a 12m × 5m pool with 1.5m average depth = 90m³. For best results, stay within the recommended range.
Q: Can I use this heat pump with a saltwater pool? A: Absolutely! The titanium heat exchanger is specifically chosen for its exceptional resistance to saltwater corrosion. Unlike copper or stainless steel exchangers, titanium will not degrade in salt or mineral-rich water, making this heat pump ideal for saltwater chlorination systems.
Q: What does “3-phase” mean and do I have it? A: Three-phase (3-phase) power is a type of electrical supply commonly found in commercial buildings, light industrial facilities, and some larger residential properties. It provides 400V and is identified by having four or five wires to the property. If you’re unsure whether you have 3-phase power, check with your electrician – domestic properties typically have single-phase (230V) power and would need a single-phase model instead.
Q: How loud is this heat pump compared to my pool pump? A: The X20-26T is significantly quieter than most pool filtration pumps. At 10 metres distance, it operates at 24-30 dB(A) – about the volume of rustling leaves or a whisper. Your pool pump likely operates at 50-70 dB(A). In Silence mode, many users report barely noticing the heat pump is running.
Q: Can I run the heat pump year-round in the UK climate? A: Yes, the X20-26T is specifically designed for year-round operation in temperate climates. It operates efficiently down to -20°C ambient temperature, well below typical UK winter temperatures. However, heating costs increase as temperature drops, so most pool owners heat intensively from April to September and occasionally in milder winter periods.
Q: How much does it cost to heat my pool per month? A: For a typical 70m³ pool in the UK, expect £50-£180 per month depending on the season, target temperature, and weather. Summer months (June-August) typically cost £50-£80/month, while shoulder seasons (April, May, September) cost £90-£180/month. Using a pool cover can reduce costs by 40-60%.
Q: Do I need to drain the heat pump in winter? A: If you’re not using your pool in winter and will be switching off the heat pump for an extended period, it’s recommended to drain the heat exchanger to prevent freeze damage. The user manual provides step-by-step winterizing instructions. If you’re keeping the pool heated during winter, the heat pump’s automatic freeze protection keeps water circulating.
Q: What’s the difference between Turbo, Smart, and Silence modes? A: Turbo Mode delivers maximum heating capacity (26.5kW) for rapid temperature increase – use when first heating the pool or after cold weather. Smart Mode balances performance and efficiency (22kW) – ideal for daily operation and maintaining temperature. Silence Mode reduces output to 60% (13.2kW) but operates ultra-quietly – perfect for overnight heating or noise-sensitive environments.
Q: Is Wi-Fi control included or optional? A: Wi-Fi connectivity is built-in as standard. The heat pump includes an integrated Wi-Fi module and works with the free Fairland smartphone app (iOS and Android). You can monitor temperature, adjust settings, create schedules, and receive alerts from anywhere with an internet connection.
Q: What warranty coverage is included? A: The X20-26T includes an exceptional warranty: 7 years on parts and components, and 15 years on the compressor and titanium heat exchanger. This is significantly longer than industry standard warranties and reflects Fairland’s confidence in build quality and reliability.
Q: Can I install this heat pump myself? A: No, professional installation is required and is a condition of the warranty. This is a 3-phase unit requiring qualified electrical work, proper plumbing connections, and compliance with local building and electrical codes. Installation must be performed by certified technicians experienced with commercial pool equipment.
Q: Will this heat pump work with my existing pool equipment? A: The X20-26T integrates with standard pool plumbing systems using 50mm connections. You’ll need a pool circulation pump capable of providing 7-9 m³/h flow rate. The heat pump can be configured to work with timer controls, automation systems, and other pool equipment. Consult with your installer about compatibility with your specific setup.
Q: What maintenance is required? A: Routine maintenance is minimal: Keep the air intake/outlet clear of debris and vegetation, occasionally rinse the evaporator coil with water, check for any water leaks in connections, and have annual professional servicing. The user manual includes a complete maintenance schedule and procedures.
🏊 Real-World Applications & Use Cases
Commercial Swimming Pools & Leisure Centres Hotels, gyms, and leisure facilities demand reliable, efficient heating that can handle high daily usage and extended operating seasons. The X20-26T’s robust 3-phase design, commercial-grade components, and quiet operation make it ideal for facilities where customer comfort is paramount.
Large Residential Pools Homeowners with pools exceeding 60m³ need serious heating capacity. The X20-26T delivers the power required to heat expansive pools quickly while keeping operating costs reasonable through exceptional efficiency.
Resort & Holiday Property Pools Guest expectations for warm water mean extended heating seasons. The inverter technology allows the heat pump to modulate output based on weather and usage, saving energy during low-demand periods while maintaining perfect temperature when guests are swimming.
Spa & Wellness Facilities Therapeutic pools and wellness centres require precise temperature control and quiet operation. The X20-26T’s smart mode maintains stable temperatures, while silence mode allows overnight heating without disturbing treatments or guests.
Indoor Pool Halls with Outdoor Equipment Many indoor pools have heat pumps installed outside. The X20-26T’s robust construction, weather-resistant casing, and reliable operation in cold weather make it perfect for these installations, even in challenging UK winters.
⚡ Energy Efficiency & Environmental Benefits
Reduce Your Carbon Footprint
Heat pumps are one of the most environmentally friendly pool heating options available. By extracting renewable heat energy from the ambient air, the X20-26T reduces carbon emissions by 60-80% compared to gas heaters and up to 90% compared to electric resistance heaters.
R32 Refrigerant – Lower Global Warming Potential
This heat pump uses R32 refrigerant, which has a 68% lower global warming potential (GWP) compared to older R410A refrigerant. It’s more efficient, more environmentally responsible, and aligned with future refrigerant regulations.
Smart Energy Management
The full-inverter system only uses the power needed at any given moment. Unlike fixed-speed heat pumps that run at 100% or 0%, the X20-26T can operate at 20%, 50%, or any percentage up to 120%, matching power consumption precisely to heating requirements.
🛠️ What’s Included in the Box
- Fairland InverX20 X20-26T Heat Pump Unit (pre-gassed and pressure tested)
- 50mm Water Union Connectors (inlet and outlet)
- Condensation Drainage Tube
- User Manual and Installation Guide
- Warranty Registration Card
- Mounting Hardware (bolts and fixing brackets)
Not Included (Required for Installation):
- Pool circulation pump (7-9 m³/h flow rate)
- Hard plumbing pipes (50mm PVC or ABS)
- Electrical supply and circuit protection
- Concrete foundation or mounting frame
- Professional installation service
⚠️ Important Safety Information
Electrical Safety
- Must be hardwired by a qualified electrician
- Requires dedicated 3-phase circuit with appropriate protection
- Proper earthing/grounding is essential
- Never use extension cords or plug adapters
- Ensure RCD/GFCI protection is installed
Installation Safety
- Professional installation required – DIY installation voids warranty
- Unit must be installed outdoors with adequate ventilation
- Never install in an enclosed space or indoors
- Keep away from flammable materials and ignition sources
- Ensure adequate clearances for air circulation and maintenance access
Operational Safety
- Do not insert objects into air intake or discharge openings
- Keep children away from the unit during operation
- Never lift or move the heat pump by the water connections
- Disconnect power before performing any maintenance
- In case of abnormal operation, shut off power immediately and contact a technician
Water Safety
- This heat pump is designed for pool water only
- Never use with flammable, corrosive, or turbid liquids
- Ensure proper water flow before starting the unit
- Drain the heat exchanger if storing unit in freezing conditions
- Check for leaks regularly and address immediately
🌟 Summary – Why the X20-26T is the Right Choice
The Fairland InverX20 X20-26T represents the pinnacle of 3-phase pool heating technology. Combining powerful 26.5kW heating capacity with industry-leading efficiency, ultra-quiet operation, and bulletproof reliability, this heat pump is engineered for commercial applications and large residential pools where compromise isn’t an option.
Extraordinary efficiency (COP up to 20.5) means dramatically lower running costs compared to any other heating method. TurboSilence® technology delivers whisper-quiet operation that won’t disturb guests, neighbours, or peaceful poolside relaxation. Premium components including a Mitsubishi compressor and titanium heat exchanger ensure decades of reliable service.
Extended warranty coverage (15 years on critical components) provides unmatched peace of mind. Smart connectivity via Wi-Fi lets you control and monitor your pool heating from anywhere. Year-round capability (-20°C to +43°C) means you’re never limited by weather.
Whether you’re managing a commercial facility, operating a resort, or simply want the best possible heating for your large residential pool, the X20-26T delivers professional-grade performance, efficiency, and reliability that will serve you for decades to come.
Transform your pool into a year-round heated oasis with the Fairland InverX20 X20-26T – where power meets efficiency, and innovation meets reliability.










