Tag Archives: Energy conservation

Immersion heater verses boiler to heat water at home

Did you ever wonder whether it was cheaper to heat your hot water tank with your immersion heater or your oil/gas boiler? Well we have done the sums so you don’t have to. Below is a comparison between various different ways of heating your hot water … Continue reading

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Are your wall vents ducted?

There is greater interest at this time of the year in reducing heat loss from our homes and reducing fuel bills. Most home-owners correctly concentrate on the areas of biggest heat loss by upgrading the insulation to their roof, walls or windows. … Continue reading

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How much does my immersion heater cost to heat my water?

Following on from my post about the cost of running an oil boiler to heat the average house, see here. A reader contacted me and asked how much it costs to heat the water in their immersion heater. They remembered when they were young that the biggest sin possible was to leave on the immersion heater by accident, thereby incurring unnecessary costs. The answer is approximately €0.54 or 54 cent if left on for an hour to initially heat the water. Continue reading

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The relative costs using different fuels to heat your home

In this post the relative costs of using different fuels to heat an average house during an average winters day are compared to see which is the most economical. Based on this process it would seem that the most economical is a wood pellet boiler, if initial capital costs are excluded. Continue reading

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The cost of oil fired central heating per hour

In our house we have a boost button on our heating control panel. By hitting this button the boiler will come on immediately for one hour only. This got me thinking, how much does this button cost me every time I push it, or putting it another way how much does your home oil boiler cost in fuel to run every hour? Well it is relatively easy to calculate; I worked it out to be €1.20 per hour or €1.20 every push of the boost button! Continue reading

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Make your fire last longer. Light it upside down.

I love burning timber in our stove; timber is clean to handle, there is very little ash left afterwards, it is good for the environment and the ash can be spread on the garden afterwards, unlike coal ash. However, one of the difficulties with using wood in our small stove is that it burns quickly and as a result a lot of tending is required to avoid it going out. We usually have to add logs every 30 or 40mins. So I decided to try the unusual and counter intuitive upside down method of fire starting. Continue reading

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