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Post by jenniferlukes on May 28, 2019 4:30:49 GMT 1
The easy answer to this question is "as much as possible". It is not really possible to over-insulate a building. With that in mind, there is definitely a point of diminishing returns, where the insulation you add costs far too much for the extra heat retention it provides. As always, the best bet is to aim for the "sweet spot" where the insulation is efficient and the cost is within your budget.
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