"I would need to live in the house for another 87 years before I could justify the initial outlay [on insulation] from a purely financial perspective (although the grant would give me back 33 years). It looks like we’ll be investing in a few Aran jumpers before we go about improving the house’s efficiency" https://www.irishtimes.com/opinion/letters/2023/09/11/grants-and-the-cost-of-home-insulation/
@sinabhfuil His math assumes energy prices are going to stay the same for the next 88 years but any graph would tell you otherwise
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