System: MasterTherm AQ90I Ground Source Heat Pump
Sector: Heritage / Historic Building
Location: Liverpool, England
Date: August 2024
Objective: Sustainable heating solution preserving Tudor character

Overview:
Speke Hall, a magnificent Tudor manor managed by the National Trust, has embraced modern sustainability while preserving its centuries-old charm. The installation of a MasterTherm AQ90I heat pump system has transformed this iconic property, enhancing comfort and energy efficiency without compromising its architectural integrity.
The project represents a seamless blend of heritage preservation and renewable innovation—ensuring that this 16th-century treasure continues to thrive for generations to come.
Challenge:
The National Trust’s goal was to upgrade the heating system at Speke Hall with a renewable and efficient alternative, while carefully maintaining the building’s historic aesthetic and tranquil environment.
Key challenges included:
- Maintaining Aesthetic Integrity: Integrating a modern system without detracting from the manor’s Tudor architecture.
- Improving Energy Efficiency: Reducing both operational costs and environmental impact.
- Minimising Noise: Ensuring quiet operation to preserve the serenity of the property for visitors and staff.
Solution:
The MasterTherm AQ90I was selected for its ability to deliver efficient, quiet, and discreet performance—making it ideal for heritage sites.
System Features:
• High-efficiency inverter-driven compressor for responsive heating control
• Whisper-quiet operation suitable for heritage and conservation environments
• Compact, sleek design that blends unobtrusively with existing architecture
Implementation:
- Design Integration: The system was strategically positioned to complement the building’s structure, preserving the visual integrity of Speke Hall.
- Precision Installation: Work was conducted with care to avoid disruption to the historic fabric of the building.
- Performance Optimisation: The system was fine-tuned to ensure consistent, efficient heating throughout the property.
Key Benefits:
|
Sustainable heating |
Reduces energy use and carbon emissions through renewable technology. |
|
Quiet operation |
Maintains the calm atmosphere of the manor. |
|
Heritage protection |
Sensitive installation preserves historic architecture. |
|
Improved comfort |
Eliminates drafts and provides stable, cosy heating throughout. |
|
Eco-luxury integration |
Combines 21st-century sustainability with Tudor elegance. |
Results:
• Enhanced comfort and consistent indoor warmth across all rooms.
• Substantial reduction in energy consumption and environmental impact.
• Preservation of historic character through unobtrusive installation.
• Demonstrates how modern renewable systems can enhance heritage properties.
• Positive feedback from National Trust staff and visitors on comfort and authenticity.