Client Background
A family near Corwen, North Wales were struggling with expensive electric heating in their detached stone cottage. The property was full of character — but costly to keep warm.
They wanted:
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Lower heating bills
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Renewable energy
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Better comfort
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EV charging
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Energy independence
Challenge
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Old solid stone walls
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Drafty rooms
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High ceilings
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Electric heating too expensive to run
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Multiple roof elevations
The home needed a smart retrofit solution without major building work.
Site Assessment
After a full survey, we identified:
✔ Strategic wall placements for heat pumps
✔ Three usable roof elevations for solar
✔ Space for large battery storage
✔ Integration opportunity for EV charging
✔ Optimisation for cheap overnight tariffs
The property was ideal for a complete energy upgrade.
Recommended Solution
Recommended Solution
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3 x Samsung 5kW Air to Air Heat Pumps
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Powerful and efficient
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Heating + cooling capability
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Fast, non-invasive retrofit
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Strategically positioned for full-home coverage
Now delivering comfortable, affordable heating.
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8kW Solar PV System
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Installed across 3 roof elevations
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Optimised for all-day generation
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Designed to power heating + household loads
33kWh Fox Hybrid Battery Storage
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Massive storage capacity
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Stores excess solar
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Charges on cheap overnight tariffs
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Powers heat pumps efficiently
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Reduces grid reliance dramatically
Andersen 7.2kW EV Charger
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Sleek black Andersen unit
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Smart charging integration
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Solar + battery compatible
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Low-cost vehicle charging
Installation & Outcome
The installation was completed in under one week, despite the complexity of the property layout. The family now enjoy:
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✔ Warm, evenly heated stone cottage
✔ Dramatically reduced heating costs
✔ Solar-powered heat pump operation
✔ Large-scale battery energy security
✔ EV charging from renewable energy
✔ Greater protection from rising energy pricesThe family can now run most of their heating from solar and stored battery energy, making full use of off-peak tariffs.
System Summary
Component
Specification
Heat Pump
3 x Samsung 5kW Air to Air Heat Pumps
Battery Storage
3 x Fox Ep12 giving 33kWh Battery Storage
EV Charger
Andersen 7.2kW
Solar Panel Array
8kW Solar PV System
Heating Controls
Remote Smart Thermostat
Installation Time
1 Week
System Lifespan
15–20 Years
Warranty
Standard manufacturer and install warranty






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