It&#x27;s a fun example of Jevon&#x27;s paradox though. The more efficient the insulation ... the more heat is needed to warm houses (because people don&#x27;t consider the cost of heating anymore is the reason usually given).<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Jevons_paradox" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Jevons_paradox</a>