Heat Source Options
The most efficient way of heating the water going into your heating system is through a high efficiency boiler. These include gas, electricity, diesel and solid fuel or solar panels with a back up. As part of the selection process, it is important to consider the ongoing running costs as well as the cost of installation.
Natural gas: If available, this provides a high energy output at a low cost. The new European boilers are 99% efficient at low water temperature, but can also produce high temperature water for radiant panel heaters and domestic hot water.
Diesel and solid fuel: These are the preferred options for rural or specialist applications. They produce high temperature water for radiant panel heaters and domestic hot water. These systems require storage for both fuel and plant.
Electricity: This is the cheapest and the most reliable option for a small area or low usage dwelling. Capital costs and maintenance is low - which can sometimes outweigh the running cost. Electricity is suited to a holiday home or for weekend use.
Air to water heat pumps: This is a clean and effcient option, since it is able to generate ideal low water temperatures at approximately 300% efficiency.
You can also use a combination of any of these systems - or allow for the ability to retrofit to a high efficiency system at a later date.
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