CASE STUDY
NIBE:
Ivan White Farm, North Yorkshire
Summary
A striking barn conversion in the heart of Nidderdale, North Yorkshire, has capitalised on the benefits of installing a NIBE Ground Source Heat Pump system to supply heating and hot water to the 200 year old property.
Renovation
Domestic
Ground Source Heat Pump (12kW)
Background
Owners of Ivin Waite Farm, located on the fringes of the hamlet of Bewerley, close to the affluent spa town of Harrogate, chose the system as a replacement to its LPG system which was costly and required modernising. Annual costs for running an off-grid LPG system can be four times as much as a sustainable source and generate at least twice as many CO2 emissions. The homeowner, Richard Dutton, who has lived there for four years with his family, explored renewable heating systems which supported the off-grid nature of his home and his research highlighted the efficiencies of Ground Source Heat Pumps, their capabilities of supplying heat and hot water and their carbon neutral credentials.
Solution
The project required the installation of two NIBE F1145 – 12kW ground source heat pumps with a 200 litre NIBE VPB hot water cylinder and 200 litre UKV buffer cylinder. 1500 metres of pipe was laid in the paddock adjacent to the Dutton’s home which, whilst labour intensive, generated the required heat so that they could enjoy ambient temperatures throughout the day and night rather than limiting the use of their previous system due to escalating and unsustainable costs.
The Ground Source Heat Pump System works through a buried pipe system laid 1.2 metres below the surface which extracts heat from the ground to provide efficient and reliable heating and hot water. It circulates a mixture of water and antifreeze around a ground loop. The heat is absorbed into the fluid which then passes through a heat exchanger and into a heat pump. Because the ground stays at a remarkably consistent temperature below the surface, and is not affected by weather conditions heat pumps can be used successfully throughout the year.
“A Ground Source Heat Pump system has solved all our heating and hot water concerns and allowed us live in a property which we can maintain at a steady 18°C rather than having heat on for a couple of hours in a morning and the same in the evening”
Homeowner
CASE STUDY
Daikin: Hafod Caves, Wales
Summary
After living with the oil system through one winter, new owners Greg Brash and Tim Dean opted for a cleaner and quieter renewable solution to secure their future heating needs.
Renovation
Domestic
Air Source Heat Pump (16kW)
Background
The 160m2 cottage consists of a double storey core building with two bedrooms and a bathroom over the kitchen, entrance hall, and a third bedroom. Beyond the kitchen is a living/dining room, leading to a more formal lounge. An extension at the other end of the core provides an annex bedroom with shower.
Key issues for the new owners of Coed y Glyn Uchaf – a cottage in a remote Denbighshire valley – were not just the noise and poor efficiency of the oil-fired heating system, but also uncertainty over the fluctuating price of oil and a keen desire to move away from fossil fuel energy and towards renewable sources.
Solution
They now have a Daikin Altherma High Temperature air-to-water heat pump that’s largely powered by solar energy. This fuel-saving combination is reckoned to save them at least £700 a year – and that’s before domestic Renewable Heat Initiative payments.
Oil tank and boiler have gone and in their place stand a 16kW outdoor unit and the indoor hydrobox. The outdoor unit extracts heat from the air, steps it up via the primary R410A refrigerant and transfers it to the hydrobox. Using Daikin’s Cascade technology, the secondary R134A refrigerant circuit raises the temperature further, enabling the system to deliver up to 65°C to satisfy peak demands for heating and domestic hot water.
Daikin promotes its Altherma High Temperature system as an ideal solution for home renovation and boiler replacement. Its compact design means minimal installation space, and the system integrates seamlessly with existing piping and radiators. With A+ energy efficiency and fast heat-up times, the system ensures comfort and reliability, even when it’s below zero outside.
We’re really pleased with it. The system does exactly what it’s supposed to do and is so much cheaper. There’s even an app so we can control the heating from our phones from anywhere in the world.
Homeowner
