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How to save money and electricity when renovating — CSIRO’s top tips for your home – ABC News

The average existing house in Australia only rates about two out of 10 stars for energy efficiency, but with a smart retrofit the rating can be tripled, slashing…

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What do you do with a 50-year-old red brick home in the tropics of Far North Queensland that is an energy guzzler burdened with a two-star energy efficiency rating?
Key points:

  • The highest rating for energy efficiency is 10 in the Nationwide House Energy Rating Scheme (NatHERS)
  • The average Australian house is rated 2.2 stars and rises to 4.9 stars after renovating
  • Renovating wisely could cut heating and cooling costs by up to 50 per cent

Many Australians have been jumping at the chance to renovate…

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