The customer was interested in comparing the renewable solutions offered by Ashgrove against a traditional fossil fuel system. An oil boiler central heating system providing heat to a traditional radiator system was quoted at € 3,780 to install. The annual running cost associated with oil fills and one boiler service was calculated at € 1,890.

        Ashgrove specified a Geothermal Heat Pump which would provide heating and hot water to the home for an installed cost of € 11,200 (including ground collector pipework). The annual running cost would be € 650 of electrical energy, plus one service at € 198       

        In order to achieve the highest possible savings Ashgrove recommend underfloor heating when installing a heat pump. Underfloor heating will ensure the most efficient operation of the system and provides a more comfortable and controllable means of heating the home. The installed cost for this home was calculated at € 4,550.

         An alternative solution was suggested in the form of an Air to Water (A2W) Heat Pump. This unit draws outside air through itself and in a similar fashion to the geothermal unit it provides hot water inside the home. An A2W unit means less installation work as there is no ground collector installed. Because the customer was unsure as to the layout of the site they requested that this solution be considered. This solution would cost € 11,450 to install, with annual running costs of € 890.

        Over a 30 year period the oil boiler would cost € 56,700 to run (without taking increases in oil prices into account) while the geothermal heat pump would cost €9,500, a saving of € 32,650 (including the initial cost of the underfloor heating). An Air to Water heat pump would provide savings of €29,700 per annum over the oil boiler system. This is assuming that the boiler has not been replaced, at least once!

Apart from the financial benefits of choosing a renewable technology the customer will enjoy a higher level of comfort through better controllability and a cleaner source of heat, which is friendlier to the environment. A geothermal heat pump is a more aesthetic solution and can be located in a kitchen or utility with the minimum of impact.

Nibe Fighter 1240 12kW Geothermal Heat Pump
Ground Floor and First Floor Underfloor Heating

Brief:
Solar Thermal Water Heating System
Underfloor Heating.

Product Specification:
Evacuated Tube Solar Panels, Roof Mounted, Preheat Cylinder System, All necessary oxygen tight, metal core, multi-layer pipe, meters valves and associated pipework, Pumps and actuators

Location:
Waterford

Date:
Sept 2009

BRIEF
A sustainable community housing project. 12no. Low Energy Houses with 50-60% energy savings.

PRODUCT SPECIFICATION
Exhaust Air Heat Recovery – Heat Pump extracting energy from foul and waste air before it leaves the building. Heat Pump input 550w
Underfloor Heating

NOTE
Government Pilot Scheme – Cork County Council in partnership with Blackwater Resource Development, officially opened Baile Glás. The project is the first of its kind in Ireland and aims to demonstrate that low energy design and construction techniques can be achieved in the context of Social and Affordable Housing.The aims of the project are to realise a demonstration housing project that reflects the contemporary debate on the building of low energy, cost effective sustainable housing and also to provide a new solution to social and affordable housing, that remains sensitive to context.

DATE

LOCATION
Lombardstown, Co. Cork

Onchan, Douglas, Isle of Man
190,000 Sq ft Underfloor Heating



DATE
Aug 2009

LOCATION
Killure Bridge, Waterford

NOTE
Client: Cork County Council
Mechanical Contractor – Rockwell Mech

DATE
August 2009

LOCATION
Gouldshill, Mallow, Co. Cork

Mechanical Contractor – Rotary Mech & Elec