Key tips on reducing energy waste

Key tips on reducing energy waste

This month we start off with Seamus's key tips on reducing energy waste and getting the most from your heating system. We all understand how difficult times are, so any savings we can make on our energy bills is a positive one.

  • Open fires are wasteful of energy with more than 70% of the energy going up the chimney. Replacing an open fire with a stove will improve the home BER energy rating on average by 8-10% per annum, resulting in lower heating costs.
  • 20°C is an ideal room temperature. Turning down thermostats by 1ºC can reduce annual space heating energy consumption by 10% with an equivalent reduction in greenhouse gas emissions. Heat bedroom areas to less than 18°C.
  • Proper temperature and zone control of your central heating system can reduce fuel consumption by 10-20%. There is a Sustainable Energy Authority of Ireland (S.E.A.I.) grant for a heating controls upgrade.
  • Homeowners can typically reduce their energy usage by up to 20% by installing a high efficiency condensing boiler or range cooker as a replacement for older lower efficiency models. There is a S.E.A.I. grant for this measure in conjunction with heating controls upgrade
  • Regular servicing of your heating boiler is recommended. For example, servicing a kerosene boiler, which has not been serviced for 3 years, will bring about an immediate fuel reduction of some 5%.
  • A lagging jacket on your hot water cylinder will keep water hotter for longer and pay for itself in 2-3 months. If replacing the cylinder, a rapid heat recovery cylinder with factory-applied insulation should be considered. Such insulation is more effective at retaining heat than a lagging jacket, is less easily damaged and cannot be pulled out place.
  • Heat the hot water cylinder by means of the central heating boiler rather than by immersion on full rate electricity, as the running costs will be much lower. Use a timer if the immersion heater has to be used.
  • Combining solar collectors with a wood-burning stove provides an ideal year-round renewable energy heating solution. A solar collector system can provide around 60% ofyour annual hot water needs for free (80 to 90% in summer). There is a S.E.A.I. grant for solar panels.
  • Insulate your attic and save up to 20% on your home heating bill. There is a S.E.A.I. grant for attic insulation.

If you have any heating or home energy questions, we would be delighted to help you. Please send on your queries to and we will endeavor to do our best to answer them. 

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