Swap out an older boiler . A lot of old boilers weren't made to preserve power, whereas the more modern ones are usually much more energy efficient.
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Being Enviromentally Friendly Yourself As Well As The Environment
Posts Tagged ‘more-modern’
Wednesday, May 9th, 2012
Friday, February 17th, 2012
Many people in less developed countries could use biomass boilers to heat their homes or their water supply.
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Biomass heating boilers of our environmental debate | Focus on health