> It is interesting that you insulate under the house. This is part of the building code in many areas: do a search for [under] "slab insulation". * https://w

> It is interesting that you insulate under the house. This is part of the building code in many areas: do a search for [under] "slab insulation". * https://www.buildingscience.com/documents/information-sheets/basement-insulation https://www.buildingscience.com/documents/information-sheets... * https://www.finehomebuilding.com/project-guides/insulation/insulating-a-slab-on-grade https://www.finehomebuilding.com/project-guides/insulation/i... It should be at least R-10 (RSI 1.8): * https://www.youtube.com/watch?v=O2dNp9bicSk https://www.youtube.com/watch?v=O2dNp9bicSk * https://www.youtube.com/watch?v=XKp0wRzvR-g https://www.youtube.com/watch?v=XKp0wRzvR-g