VBIV All-Season Full Inverter H8 20kW 3 Phase Horizontal Pool Heat Pump 🌊

Premium heating performance for pools up to 100m³ | Ultra-quiet operation from 28dB | A+ Energy Rating | COP up to 20

🏊 Transform Your Swimming Season with Premium Inverter Technology

Experience the ultimate in pool heating efficiency with the VBIV All-Season Full Inverter H8. This premium 20kW heat pump extends your swimming season from March through November, delivering whisper-quiet operation and exceptional energy efficiency that can save you up to 80% compared to traditional gas heating.

Perfect for discerning pool owners who demand reliability, efficiency, and advanced control features in one beautifully engineered package.

✅ Why Choose the VBIV H8 Full Inverter?

Unmatched Efficiency Performance With a maximum COP (Coefficient of Performance) of 20 under optimal conditions and an A+ energy label, this heat pump delivers exceptional value. For every 1kW of electricity consumed, you get up to 20kW of heating output – making it one of the most efficient pool heating solutions available.

Whisper-Quiet Operation At just 28dB(A) in ECO silence mode (quieter than a whisper), your neighbours won’t even know it’s running. Even at full power from 10 meters away, it produces only 37dB – comparable to a quiet library.

Premium Mitsubishi Compressor Engineered with a genuine Mitsubishi compressor for unrivalled reliability and longevity. This isn’t a generic component – it’s the heart of a system designed for years of dependable service.

True All-Season Protection Unlike basic heat pumps that struggle in cold weather, the H8 features integrated heat tracing to protect the heat exchanger in temperatures down to -15°C. Operate confidently even in early spring and late autumn conditions below 4°C.

Intelligent Full Inverter Technology The variable-speed inverter adjusts power consumption precisely to your pool’s needs, running at 0.37kW to 3.94kW depending on demand. This delivers faster heating, better temperature control, and dramatically lower running costs compared to on/off heat pumps.

Professional Control Features

• 5-inch full-colour touchscreen for intuitive operation
• WiFi module included – control your pool temperature from anywhere
• RS485 bus control for integration with smart home systems
• PID self-learning control – the most advanced heat pump control technology available
• Programmable schedules for optimised efficiency

Built for Real-World Conditions Operates efficiently in air temperatures from -15°C to 43°C with full heating capacity maintained down to 15°C. The horizontal air discharge prevents hot air recirculation and works perfectly in tight installation spaces.

📊 Complete Technical Specifications

General Specifications

Specification	Details
Model	VBIV H8 Full Inverter
Heating Capacity	3.8 – 20 kW (variable)
Power Supply	380-400V / 3 Phase / 50Hz
Energy Rating	A+
Compressor	Mitsubishi Premium
Warranty	3 Years Comprehensive

Physical Dimensions

Dimension	Measurement
Width	1161 mm
Height	868 mm
Depth	470 mm
Air Flow	Horizontal Discharge
Weight	Contact for specification

Performance Data

Optimal Conditions (Air 24°C / Water 26°C / 70% Humidity)

Parameter	Value
Heating Capacity	Up to 20 kW
Power Consumption	0.37 – 3.94 kW
Operating Current	9.5 A
COP	5 – 20

Standard Conditions (Air 15°C / Water 26°C / 70% Humidity)

Parameter	Value
Heating Capacity	3.8 – 15.4 kW
Power Consumption	0.6 – 4.2 kW
Operating Current	9.13 A
COP	5 – 8

Acoustic Performance

Measurement Point	Standard Mode	ECO Silence Mode
Sound Pressure @ 1m	44 – 55 dB(A)	44 dB(A)
Sound Pressure @ 10m	37 dB(A)	28 dB(A)

For reference: 28dB is quieter than a whisper, 40dB is a quiet library

Operational Parameters

Parameter	Range/Value
Operating Temperature	-15°C to +43°C
Recommended Pool Volume	45 – 100 m³
Maximum Pool Volume	75 m³ (without covers)
Max Volume with Bio Filter	55 m³
Water Flow Rate	6.7 m³/h
Maximum Frequency	65 Hz
Heat Tracing Protection	Active below 4°C

🔥 Real-World Heating Performance & Pool Sizing Guide

Pool Volume Suitability Chart

Pool Size (m³)	Typical Pool Dimensions	Suitability	Expected Performance
30-40 m³	8m x 4m x 1.4m	✅ Excellent	Fast heating, low running costs
45-60 m³	10m x 4m x 1.4m	✅ Ideal Range	Optimal efficiency and heat-up times
65-75 m³	12m x 5m x 1.4m	✅ Recommended	Good performance with pool cover
80-100 m³	14m x 5m x 1.5m	⚠️ Maximum Capacity	Requires pool cover, longer heat-up
100+ m³	Large pools	❌ Too Large	Consider dual units or larger model

🌡️ Estimated Heat-Up Times

These estimates help you plan your pool heating schedule. Actual times vary based on ambient temperature, wind, pool cover usage, and starting water temperature.

Heat-Up Calculator (Using Average 12kW Output)

Formula Used: Time (hours) = (Pool Volume × Temperature Rise × 1.16) ÷ Heat Pump Output (kW)

Pool Volume	Temp Rise 5°C	Temp Rise 8°C	Temp Rise 10°C
40 m³	19 hours	31 hours	39 hours
50 m³	24 hours	39 hours	48 hours
60 m³	29 hours	46 hours	58 hours
75 m³	36 hours	58 hours	72 hours

Example Scenario: Your 50m³ pool is at 18°C, and you want to heat it to 26°C (8°C rise). With the VBIV H8 running at average output (12kW), expect approximately 39 hours to reach target temperature.

⚠️ Important Factors Affecting Heat-Up Time:

• Pool Cover: Reduces time by 30-50% and dramatically cuts running costs
• Ambient Temperature: Warmer air = faster heating and higher COP
• Wind Exposure: Sheltered locations heat 20-30% faster
• Starting Temperature: First-time heating takes longer than maintenance
• Insulation: Well-insulated pools retain heat better

💡 Pro Tip: For fastest results and lowest costs, always use a quality pool cover when the pool isn’t in use. This single addition can cut your heating time and energy costs nearly in half.

💰 Running Cost Comparison (Annual Estimates)

Based on average UK electricity rate of £0.30/kWh and 6-month swimming season (April-September)

Cost to Maintain 60m³ Pool at 26°C

Heating Method	Monthly Cost	Season Cost	Annual CO₂
VBIV H8 Heat Pump	£80-120	£480-720	850 kg
Gas Boiler	£350-450	£2,100-2,700	3,200 kg
Oil Heater	£400-550	£2,400-3,300	4,100 kg
Electric Heater	£650-850	£3,900-5,100	5,800 kg

✅ Save up to £3,000+ per season compared to traditional heating methods

🛠️ Installation Requirements & Clearances

Minimum Clearance Requirements

Position	Minimum Clearance
Air Inlet (Front)	2000 mm clear space
Air Outlet (Side)	500 mm from walls/obstacles
Service Access	600 mm on one side
Top Clearance	1000 mm minimum

Installation Considerations

Location Selection: ✅ Well-ventilated area with good air circulation ✅ Level, solid base (concrete pad or reinforced decking) ✅ Protected from prevailing winds where possible ✅ Away from bedroom windows (though ultra-quiet) ✅ Easy access to pool filtration system

Electrical Requirements:

• 3 Phase 380-400V supply (dedicated circuit)
• 16A circuit breaker recommended
• Professional electrician installation required
• RCD protection mandatory

Plumbing Connections:

• 50mm pipe connections (supplied)
• Water flow rate: 6.7 m³/h
• Bypass valve recommended for flow control
• Integration with existing filtration system

Winter Protection:

• Integrated heat tracing protects to -15°C
• Winter cover included for outdoor installation
• Can be left operational year-round
• Drain-down not required in most UK locations

💡 Indoor Pool Application: This heat pump can also be installed for indoor pool heating with proper ventilation. Contact our technical team to discuss specific requirements for indoor installations.

🌟 Key Features at a Glance

Control & Connectivity

🎮 5-Inch Full-Colour Touchscreen Intuitive interface with real-time status, temperature control, and comprehensive diagnostics

📱 WiFi Module Included Control your pool temperature remotely via smartphone app from anywhere in the world

🔄 RS485 Bus Control Professional-grade integration for smart home systems and building management

🧠 PID Self-Learning Control Advanced algorithm learns your pool’s characteristics and optimizes performance automatically

Performance Features

⚡ Full Inverter Technology Variable speed operation from 0.37kW to 3.94kW for precise temperature control and maximum efficiency

🏔️ Heat Tracing Protection Automatic heat exchanger protection activates below 4°C, enabling reliable operation down to -15°C

🌡️ Wide Operating Range Functions efficiently from -15°C to +43°C ambient temperature

🔇 Ultra-Quiet ECO Mode Industry-leading 28dB(A) at 10m – quieter than a whisper

Premium Components

⭐ Mitsubishi Compressor World-renowned reliability and efficiency from the industry leader

🛡️ Titanium Heat Exchanger Corrosion-resistant for years of trouble-free operation in any water conditions

🌐 Horizontal Air Discharge Prevents hot air recirculation and suits confined installation spaces

🧊 Defrost System Automatic defrost cycle ensures consistent performance in cold conditions

Included Accessories

📦 Complete Installation Kit

• WiFi control module
• 5-inch touchscreen controller
• Winter weatherproof cover
• Installation manual and quick start guide
• Mounting hardware

❓ Frequently Asked Questions

Q: What size pool is this heat pump suitable for? A: The VBIV H8 20kW is designed for pools between 45-100 m³. For optimal performance and efficiency, we recommend 45-75 m³. Larger pools up to 100 m³ are possible but will require longer heat-up times and should definitely use a pool cover. For reference, a typical 10m x 4m x 1.4m pool is approximately 56 m³.

Q: How long will it take to heat my pool? A: Heat-up time depends on pool volume, desired temperature rise, ambient conditions, and whether you use a pool cover. As an example, a 60m³ pool requiring an 8°C temperature rise will take approximately 46 hours running continuously. With a pool cover and favourable conditions, this can be reduced to 25-30 hours. See our heat-up calculator table above for detailed estimates.

Q: How much does it cost to run? A: Running costs depend on usage patterns, ambient temperature, and pool volume. For a 60m³ pool maintained at 26°C during a 6-month season, expect £480-720 in electricity costs (based on £0.30/kWh). This is 60-80% cheaper than gas heating and up to 85% cheaper than direct electric heating. Using a pool cover can reduce costs by an additional 40-50%.

Q: How quiet is this heat pump? A: Exceptionally quiet. In ECO silence mode, it produces just 28dB(A) at 10 meters – quieter than a whisper and barely audible from inside your home. Even at full power, it’s only 37dB(A) at 10m (like a quiet library). The horizontal discharge also directs sound away from typical outdoor living areas.

Q: Can it work in cold weather? A: Yes! Unlike basic heat pumps, the VBIV H8 operates efficiently down to -15°C. It maintains full heating capacity down to 15°C ambient temperature and includes integrated heat tracing that protects the heat exchanger below 4°C. This makes it perfect for extending your swimming season from March through November in the UK, even during cooler spring and autumn weather.

Q: Do I need 3 phase power? A: Yes, this model requires a 3 phase 380-400V electrical supply, which is common in commercial properties and some larger residential properties. If you only have single-phase power available, we can recommend alternative models from our range. A qualified electrician can advise on your existing electrical supply or the feasibility of adding 3 phase power.

Q: What maintenance is required? A: The VBIV H8 is designed for minimal maintenance. Regular tasks include:

• Clean the air inlet filter every 2-4 weeks during peak season
• Check and clean the external coil annually (or after storms/high pollen)
• Ensure area around unit remains clear of debris
• Annual professional service recommended for optimal performance
• Check water flow and pressure monthly The unit’s self-diagnostic system will alert you to any issues via the touchscreen or WiFi app.

Q: Is a pool cover necessary? A: While not strictly necessary, a pool cover is highly recommended. A quality cover will:

• Reduce heating time by 30-50%
• Cut running costs by 40-50%
• Prevent overnight heat loss
• Reduce water evaporation
• Keep debris out of the pool For the relatively small investment in a cover, you’ll see payback within the first season through lower energy costs.

Q: Can this be used for indoor pools? A: Yes! While designed primarily for outdoor pools, the VBIV H8 can be installed for indoor pool applications with proper ventilation arrangements. The horizontal discharge makes it suitable for plant room installations. Contact our technical team to discuss specific requirements including air intake/exhaust ducting and humidity management for indoor installations.

Q: What’s included in the warranty? A: The VBIV H8 includes a comprehensive 3-year manufacturer’s warranty covering parts and labour. The Mitsubishi compressor includes additional coverage. For warranty claims or technical support, contact Parts4Tubs directly. We recommend annual professional servicing to maintain warranty validity and ensure optimal performance.

Q: How does the WiFi control work? A: The included WiFi module connects your heat pump to your home network, allowing control via smartphone app (iOS and Android). You can monitor pool temperature, adjust settings, create heating schedules, view diagnostics, and receive alerts – all from anywhere with internet access. Setup takes just a few minutes using the touchscreen interface.

Q: What’s the difference between this and a standard heat pump? A: The full inverter technology is the key difference. Standard on/off heat pumps run at fixed power, cycling on and off to maintain temperature (inefficient, noisy, shorter lifespan). The VBIV H8’s inverter continuously adjusts power from 0.37kW to 3.94kW, matching exactly what your pool needs. This means: 20-30% lower running costs, whisper-quiet operation, faster heat-up, better temperature control, and significantly longer compressor life. The COP of up to 20 (versus 3-6 for basic models) demonstrates this superior efficiency.

🎯 Who Should Buy the VBIV H8?

This Premium Heat Pump is Perfect For:

✅ Pool owners with 45-75 m³ swimming pools ✅ Those who value ultra-quiet operation (close neighbours, bedrooms nearby) ✅ Homeowners wanting to extend their swimming season to 8+ months ✅ Anyone seeking the lowest possible running costs (COP up to 20) ✅ Tech-savvy users who want WiFi control and smart integration ✅ Properties with 3 phase electrical supply ✅ Those prioritising reliability (Mitsubishi compressor) ✅ Environmentally conscious pool owners reducing carbon footprint

Consider Alternatives If: ❌ Your pool is smaller than 40 m³ (oversized for optimal efficiency) ❌ You only have single-phase power and can’t upgrade ❌ Your pool exceeds 100 m³ without possibility of using a cover ❌ Budget constraints require a basic model

🚚 Purchase & Delivery Information

What’s Included:

• VBIV All-Season Full Inverter H8 20kW heat pump
• Mitsubishi compressor (pre-installed)
• 5-inch full-colour touchscreen controller
• WiFi control module (pre-installed)
• Winter weatherproof cover
• Installation hardware kit
• User manual and quick start guide
• 3-year comprehensive warranty

Professional Installation Recommended: This is a powerful 3 phase unit that requires professional installation by qualified technicians (plumber and electrician). Parts4Tubs can recommend experienced installers in your area.

Delivery: Standard kerbside delivery throughout UK mainland. Contact us for installation services or Scottish Highlands/Islands delivery.

✨ Make the Smart Investment

The VBIV All-Season Full Inverter H8 represents the pinnacle of pool heating technology. With whisper-quiet operation, exceptional efficiency (COP up to 20), premium Mitsubishi components, and advanced WiFi control, it’s engineered for pool owners who demand the very best.

Extend your swimming season. Reduce your costs. Enjoy your pool more.

Order your VBIV H8 today and transform your pool into a year-round pleasure with the most advanced heating technology available.