Get some Structure

“SIPs have a layer of foam insulation place between pieces of plywood. Some people don’t like them because of their looks, but it is possible to install siding, brick, or stone onto the panels. They’re quite astonishing in their energy-saving ability – which can be up to 50% over homes built with traditional materials.”

https://paylesspower.com/blog/100-ways-to-save-electricity/?fbclid=IwAR3_T13MQ7ePWTB-EZqm2pV8yHN3i_1Ya16BkS6Him36U2MMQbnBl3px7Q8