🌡️ VBIV All Season Full Inverter V8 35kW 3-Phase Vertical Swimming Pool Heat Pump
Transform your pool into a year-round paradise. The VBIV All Season Full Inverter V8 35kW is a premium, energy-efficient heating solution engineered for large swimming pools, luxury spas, and commercial aquatic facilities. Featuring advanced Mitsubishi twin-rotary inverter technology and a corrosion-resistant titanium heat exchanger, this powerhouse delivers exceptional heating performance from -15°C to +43°C ambient temperatures—ensuring your pool stays comfortably warm from early spring through late autumn, and even throughout winter.
With its ultra-quiet operation (as low as 28dB in ECO-Silence mode), intelligent WiFi connectivity, and industry-leading COP of up to 20, this heat pump doesn’t just heat your pool—it does so efficiently, economically, and sustainably. Whether you’re managing a residential pool, commercial facility, or hydronic heating system, the VBIV V8 combines cutting-edge technology with robust construction to deliver reliable comfort for years to come.
💎 Why Choose the VBIV V8 35kW Heat Pump?
Unmatched Energy Efficiency
Achieve a Coefficient of Performance (COP) of up to 20—meaning for every 1kW of electricity consumed, you receive up to 20kW of heating power. This exceptional efficiency translates to dramatically lower running costs compared to traditional gas or electric heaters, saving you hundreds to thousands annually while reducing your carbon footprint.
True All-Season Performance
Unlike standard heat pumps that struggle in cold weather, the VBIV V8 operates reliably in ambient temperatures as low as -15°C. The intelligent reverse cycle defrost system and built-in heat tracing protection prevent freezing damage, making it perfect for extended swimming seasons from March through November, and even winter use in milder climates.
Whisper-Quiet Operation
Enjoy peaceful poolside relaxation with noise levels reduced to just 28dB(A) in ECO-Silence mode—quieter than a whisper. The advanced fan technology and sound-dampening design ensure your outdoor space remains a tranquil retreat, not disturbed by noisy equipment.
Smart Control & Connectivity
Take complete control with the 5-inch full-color touchscreen featuring intuitive navigation. The built-in WiFi module enables remote monitoring and temperature adjustment from your smartphone or tablet, so you can pre-heat your pool before arriving home or adjust settings from the comfort of your living room.
Premium Mitsubishi Components
At the heart of this heat pump is a Mitsubishi twin-rotary inverter compressor—renowned globally for reliability, efficiency, and longevity. Paired with a titanium twisted coil heat exchanger that resists corrosion from chlorine, salt, and chemicals, this unit is built to withstand the harshest pool environments.
Intelligent Self-Learning Technology
The PID (Proportional-Integral-Derivative) control system continuously learns and adapts to your pool’s specific heating requirements, automatically adjusting heat capacity between 25% and 100% to maintain optimal temperature with minimal energy waste. This smart technology maximizes efficiency while ensuring consistent comfort.
📋 Complete Technical Specifications
| Specification | Details |
|---|---|
| Model | VBIV All Season Full Inverter V8 35kW |
| Heating Capacity | 35 kW (Max Output) |
| Power Supply | 380V, 3-Phase, 50Hz |
| Compressor Type | Mitsubishi Twin-Rotary Full Inverter |
| Heat Exchanger | Titanium Twisted Coil (Corrosion Resistant) |
| Coefficient of Performance (COP) | Up to 20 (at optimal conditions) |
| Operating Temperature Range | -15°C to +43°C ambient |
| Noise Level | As low as 28 dB(A) in ECO-Silence Mode |
| Control Interface | 5-inch Full-Color Touchscreen |
| Connectivity | Built-in WiFi Module for Remote Control |
| Control System | Self-Learning PID Controller |
| Defrost System | Intelligent Reverse Cycle Defrost |
| Freeze Protection | Built-in Heat Tracing System |
| Communication Protocol | RS485 Bus Control |
| Refrigerant Type | R32 (Low GWP – Environmentally Friendly) |
| Energy Label | A+ Energy Rating |
| Heat Capacity Modulation | 25% – 100% Variable Output |
| Installation Type | Vertical Floor-Standing Unit |
| Suitable Pool Volume | 45-100 m³ (approximately 45,000-100,000 liters) |
| Recommended Use | Outdoor/Indoor Pools, Commercial Facilities, Hydronic Heating |
| Warranty | Manufacturer Warranty (check with supplier for details) |
🏊 Pool Sizing & Suitability Guide
Choosing the right heat pump for your pool is crucial for optimal performance and efficiency. The VBIV V8 35kW is specifically designed for large residential pools and commercial installations.
Ideal Pool Volumes
This heat pump is perfectly suited for pools with volumes between 45-100 m³ (45,000-100,000 liters).
| Pool Volume | Approximate Pool Dimensions | Suitability |
|---|---|---|
| 45 m³ | 10m × 4.5m × 1m (avg depth) | ✅ Ideal – Lower End |
| 60 m³ | 12m × 5m × 1m (avg depth) | ✅ Excellent |
| 75 m³ | 12m × 5m × 1.25m (avg depth) | ✅ Perfect Match |
| 90 m³ | 15m × 6m × 1m (avg depth) | ✅ Optimal |
| 100 m³ | 12m × 5m × 1.67m (avg depth) | ✅ Maximum Recommended |
💡 Pro Tip: For pools smaller than 45m³, consider a lower capacity model for better efficiency and cost savings. For pools exceeding 100m³, multiple units or a higher capacity commercial solution may be required.
⏱️ Heat-Up Time Estimates
Understanding how long it takes to heat your pool helps you plan usage and manage expectations. Below are estimated heat-up times for various pool sizes using the VBIV V8 35kW heat pump.
📌 Important: These are theoretical estimates based on ideal conditions. Actual heat-up times vary depending on:
- Ambient air temperature
- Starting water temperature
- Wind conditions and exposure
- Pool cover usage
- Pool insulation and construction type
Formula Used:
Time (hours) = (Pool Volume m³ × Temperature Rise °C × 1.16) ÷ Heat Pump kW
Heat-Up Time Table
| Pool Volume | Temperature Rise: 5°C | Temperature Rise: 10°C | Temperature Rise: 15°C |
|---|---|---|---|
| 45 m³ | ~8 hours | ~15 hours | ~22 hours |
| 60 m³ | ~10 hours | ~20 hours | ~30 hours |
| 75 m³ | ~12 hours | ~25 hours | ~37 hours |
| 90 m³ | ~15 hours | ~30 hours | ~45 hours |
| 100 m³ | ~17 hours | ~33 hours | ~50 hours |
Practical Scenarios:
Scenario 1: Spring Pool Opening
- Pool Volume: 75 m³
- Starting Temperature: 12°C
- Target Temperature: 27°C (15°C rise)
- Estimated Time: ~37 hours (approximately 1.5-2 days)
Scenario 2: Maintaining Summer Temperature
- Pool Volume: 75 m³
- Starting Temperature: 22°C (after overnight cooling)
- Target Temperature: 27°C (5°C rise)
- Estimated Time: ~12 hours
Scenario 3: Weekend Heating
- Pool Volume: 60 m³
- Starting Temperature: 18°C
- Target Temperature: 28°C (10°C rise)
- Estimated Time: ~20 hours
⚠️ Important Disclaimer: These estimates assume optimal ambient conditions (air temperature 15-25°C), minimal wind, and use of a pool cover when not in use. Colder weather will extend heating times, while warmer weather and good solar gain can reduce them significantly. Always use a quality pool cover to retain heat and dramatically reduce energy consumption.
🌟 Key Features & Benefits
1. Industry-Leading Energy Efficiency (COP up to 20)
Benefit: Save up to 80% on heating costs compared to traditional electric heaters. The exceptional COP means this heat pump delivers up to 20 times more heat energy than the electricity it consumes—making it one of the most cost-effective pool heating solutions available.
2. Full Inverter Technology with Variable Speed Control
Benefit: Unlike fixed-speed heat pumps that operate at full power or off, the inverter technology modulates output from 25-100% based on actual demand. This results in smoother temperature control, reduced energy waste, and extended compressor life.
3. Ultra-Quiet ECO-Silence Mode (28dB)
Benefit: Perfect for noise-sensitive environments like residential neighborhoods, hotels, or spa facilities. At just 28dB, it’s quieter than a quiet library (30dB), allowing you to enjoy your pool without disturbing neighbors or guests.
4. True All-Season Operation (-15°C to +43°C)
Benefit: Extend your swimming season far beyond summer. Heat your pool comfortably from March through November in most climates, or year-round in milder regions. The intelligent defrost system ensures reliable operation even during cold snaps.
5. Premium Titanium Heat Exchanger
Benefit: Titanium offers superior corrosion resistance against chlorine, salt, bromine, and other pool chemicals. This means longer equipment life, fewer repairs, and consistent performance year after year—even in harsh chemical environments or saltwater pools.
6. WiFi Smart Control with Remote Access
Benefit: Adjust your pool temperature from anywhere using your smartphone or tablet. Pre-heat before guests arrive, lower temperature when away, or monitor performance remotely—all through an intuitive app interface.
7. Self-Learning PID Control System
Benefit: The heat pump automatically optimizes its operation based on your specific pool’s thermal characteristics, weather patterns, and usage habits. Over time, it becomes more efficient and precise, reducing energy consumption while maintaining perfect temperature.
8. Built-in Heat Tracing & Freeze Protection
Benefit: Prevents costly freeze damage during winter months. The heat tracing system protects internal components during cold weather, ensuring your investment is safeguarded year-round—even if you live in regions with harsh winters.
9. Environmentally Friendly R32 Refrigerant
Benefit: R32 has a 68% lower Global Warming Potential (GWP) compared to older R410A refrigerants. By choosing this heat pump, you’re making an environmentally responsible decision without sacrificing performance.
10. RS485 Communication for System Integration
Benefit: Easily integrate with building management systems, home automation, or pool controllers for centralized control of your entire pool system—pumps, lights, heaters, and more.
🔧 Installation & Placement Requirements
Space-Saving Vertical Design
The vertical floor-standing configuration minimizes footprint, making it ideal for installations where space is limited. The compact design allows placement closer to buildings or fences while maintaining adequate airflow.
Minimum Clearance Requirements
For optimal performance and longevity, ensure adequate clearance around the unit:
| Side | Minimum Clearance |
|---|---|
| Front (Air Intake) | 2 meters (clear airflow) |
| Top (Air Outlet) | 2.5 meters (no obstruction) |
| Rear | 30 cm |
| Sides | 50 cm each side |
Placement Best Practices
✅ Do:
- Install on a solid, level concrete pad or reinforced base
- Position in well-ventilated area with unrestricted airflow
- Locate as close to pool equipment as possible (minimize pipe runs)
- Ensure adequate drainage around the unit
- Position away from bedroom windows to minimize any noise impact
❌ Avoid:
- Enclosed spaces or corners with restricted airflow
- Direct exposure to sprinklers or water features
- Areas prone to debris accumulation (leaves, grass clippings)
- Locations where discharged air affects neighbors
- Underground or semi-underground installations without proper ventilation
Electrical Requirements
⚠️ Professional Installation Required: This is a 380V 3-phase unit requiring a qualified electrician for installation. Ensure your property has appropriate 3-phase power supply and adequate electrical capacity.
💰 Running Cost Comparison
Understanding the long-term operating costs helps you appreciate the value of this investment.
Estimated Annual Running Costs (Based on 75m³ Pool)
Assumptions: Swimming season March-November (8 months), maintaining 27°C, moderate UK climate, electricity at £0.28/kWh, gas at £0.07/kWh.
| Heating Method | Estimated Annual Cost | Annual Savings vs. Heat Pump |
|---|---|---|
| VBIV V8 Heat Pump (COP 20) | £280 – £420 | Baseline |
| Traditional Electric Heater | £3,200 – £4,800 | Save £2,920 – £4,380 |
| Gas Boiler (80% efficiency) | £1,120 – £1,680 | Save £840 – £1,260 |
| Oil Heater | £1,400 – £2,100 | Save £1,120 – £1,680 |
| Air Source Heat Pump (COP 5) | £1,120 – £1,680 | Save £840 – £1,260 |
💡 ROI Insight: While the initial investment is higher than traditional heaters, the VBIV V8 typically pays for itself in 2-4 years through energy savings alone—after which you continue enjoying dramatically lower heating costs year after year.
🌍 Environmental Impact & Sustainability
By choosing the VBIV V8 Full Inverter Heat Pump, you’re making a significant positive environmental impact:
Carbon Footprint Reduction
- Up to 80% lower CO₂ emissions compared to gas heaters
- Up to 95% lower emissions compared to electric resistance heaters
- R32 refrigerant with 68% lower GWP than R410A
Energy Consumption Comparison (Annual)
For a 75m³ pool heated 8 months per year:
| Heating System | Energy Used | CO₂ Emissions |
|---|---|---|
| VBIV V8 Heat Pump | ~1,500 kWh | ~375 kg CO₂ |
| Electric Heater | ~15,000 kWh | ~3,750 kg CO₂ |
| Gas Boiler | ~16,000 kWh gas | ~3,200 kg CO₂ |
🌱 Environmental Equivalent: Using this heat pump instead of electric resistance heating saves approximately 3,375 kg of CO₂ annually—equivalent to planting 150 trees or taking 2 cars off the road for a year.
🎯 Ideal Applications
Residential Swimming Pools
Perfect for large family pools, luxury homes, and properties with extensive outdoor entertaining spaces. The quiet operation and smart connectivity make it ideal for modern living.
Commercial Pool Facilities
Hotels, leisure centers, holiday parks, and spa resorts benefit from the reliability, efficiency, and low maintenance requirements. The RS485 integration allows seamless connection to building management systems.
Indoor Pool Heating
Suitable for indoor installations with proper ventilation. The all-season capability ensures consistent comfort regardless of external weather conditions.
Spa & Hot Tub Heating
Maintain luxurious spa temperatures efficiently year-round. The precise temperature control ensures perfect comfort for hydrotherapy and relaxation.
Hydronic Heating Systems
Can be integrated into radiant floor heating systems for homes and commercial buildings, providing efficient space heating as well as pool heating.
❓ Frequently Asked Questions (FAQs)
1. What size pool is this heat pump suitable for?
The VBIV V8 35kW is designed for pools with volumes between 45-100 m³ (45,000-100,000 liters). For a typical residential pool measuring 12m × 5m × 1.25m depth (75m³), this unit provides excellent performance. Smaller pools may be over-served (leading to short cycling), while larger pools may require longer heat-up times or multiple units.
2. How much does it cost to run this heat pump?
Running costs depend on your location, electricity rates, pool size, and desired temperature. For a 75m³ pool heated 8 months per year in the UK, expect annual running costs of approximately £280-£420 based on current electricity prices (£0.28/kWh). This is 80-90% cheaper than traditional electric heaters and 50-60% cheaper than gas heaters.
3. Can this heat pump work in winter temperatures?
Yes! The VBIV V8 is specifically designed as an all-season heat pump that operates efficiently in ambient temperatures from -15°C to +43°C. The intelligent reverse cycle defrost system and heat tracing protection enable reliable winter operation. However, heat output and efficiency decrease in colder temperatures—a heat pump’s efficiency is always higher in warmer ambient conditions.
4. How loud is this heat pump?
In ECO-Silence mode, the VBIV V8 operates at just 28 dB(A)—quieter than a whisper or quiet conversation. This makes it one of the quietest pool heat pumps available, ideal for residential neighborhoods and noise-sensitive environments. During peak operation, noise levels remain comfortable and unobtrusive.
5. Do I need 3-phase power for this unit?
Yes, this model requires a 380V 3-phase electrical supply. Most residential properties in the UK have single-phase power, so you may need to upgrade your electrical supply or consider a single-phase model instead. Professional electrical assessment and installation by a qualified electrician is mandatory. Contact your electricity supplier to confirm availability and installation costs for 3-phase power.
6. Can I control the heat pump from my phone?
Absolutely! The built-in WiFi module allows complete remote control via smartphone or tablet. You can adjust temperature settings, switch modes, monitor performance, and view diagnostics from anywhere with an internet connection—whether you’re at home, at work, or on vacation.
7. How long does it take to heat up my pool?
Heat-up time depends on pool volume, desired temperature rise, and ambient conditions. As a guide, heating a 75m³ pool by 10°C takes approximately 25 hours under ideal conditions. Initial spring heat-up (15°C rise) may take 1.5-2 days. Using a pool cover dramatically reduces heat-up times and ongoing energy consumption by preventing heat loss.
8. Is this heat pump suitable for saltwater pools?
Yes! The titanium heat exchanger is specifically designed to resist corrosion from salt, chlorine, and other pool chemicals. This makes the VBIV V8 ideal for saltwater chlorinator systems, which can be highly corrosive to standard copper or stainless steel exchangers.
9. What maintenance does this heat pump require?
The VBIV V8 is designed for minimal maintenance. Recommended routine tasks include:
- Monthly: Visual inspection, clear debris from air intake/outlet
- Every 3 months: Clean air filters (if accessible)
- Annually: Professional service including refrigerant levels, electrical connections, and heat exchanger inspection
- Seasonally: Cover unit during winter if not in use (winter cover included)
The self-diagnostic features alert you to any issues, reducing unexpected breakdowns.
10. What’s the difference between full inverter and standard inverter?
Full inverter technology means both the compressor and fan motors are variable speed, allowing precise modulation from 25-100% capacity. Standard inverters typically only vary the compressor speed. Full inverter provides:
- Better efficiency at partial loads
- More precise temperature control
- Quieter operation overall
- Longer equipment lifespan due to reduced cycling stress
11. Can I install this heat pump myself?
No. This is a professional installation unit requiring:
- Qualified electrician for 3-phase electrical connection
- Competent plumber for hydraulic connections
- F-Gas certified technician for refrigerant system work (if required)
- Knowledge of building regulations and safety codes
DIY installation voids warranty and may be illegal under local regulations.
12. What warranty does this heat pump come with?
Warranty coverage varies by supplier. Contact Parts4Tubs directly to confirm the manufacturer warranty terms, coverage period, and any extended warranty options available. Typical warranties for premium heat pumps range from 2-5 years on parts and labor.
✅ What’s Included
When you purchase the VBIV All Season Full Inverter V8 35kW, you receive:
- ✅ VBIV V8 35kW Full Inverter Heat Pump Unit
- ✅ Mitsubishi Twin-Rotary Inverter Compressor (pre-installed)
- ✅ Titanium Twisted Coil Heat Exchanger (pre-installed)
- ✅ 5-inch Full-Color Touchscreen Controller
- ✅ Built-in WiFi Module for Remote Control
- ✅ Winter Cover for Off-Season Protection
- ✅ Self-Learning PID Control System (integrated)
- ✅ Heat Tracing Freeze Protection (integrated)
- ✅ RS485 Communication Interface
- ✅ Installation Manual & User Guide (request from supplier)
- ✅ Manufacturer Warranty (confirm details with Parts4Tubs)
Not Included (Required for Installation):
- Hydraulic connections and plumbing fittings
- Electrical cable and 3-phase connection
- Concrete installation pad or mounting base
- Pool bypass kit (if not already installed)
🏆 Why Choose Parts4Tubs?
Trusted Supplier of Premium Pool & Spa Equipment
- ✅ Extensive range of professional-grade pool and spa products
- ✅ Competitive pricing with transparent VAT-inclusive pricing
- ✅ Expert knowledge and customer support
- ✅ Fast UK delivery
- ✅ Quality brands including VBIV, renowned for reliability and performance
📦 Ready to Transform Your Pool Experience?
The VBIV All Season Full Inverter V8 35kW Heat Pump represents the pinnacle of pool heating technology—combining exceptional efficiency, intelligent control, whisper-quiet operation, and year-round reliability. Whether you’re opening your pool for spring, maintaining perfect summer temperatures, or extending your season into autumn, this heat pump delivers consistent comfort while dramatically reducing energy costs and environmental impact.
Investment in Comfort. Investment in Savings. Investment in Sustainability.
Make the smart choice for your pool and your wallet. Experience the difference that premium Mitsubishi inverter technology and intelligent PID control can make.
⚠️ Important Purchasing Information:
- Price includes VAT at 20%
- Professional installation recommended (not included)
- 3-phase electrical supply required (380V, 50Hz)
- Suitable for pools 45-100 m³
- Extended swimming season: March – November
- Check availability and delivery times when ordering
- Confirm warranty terms with supplier before purchase









