My home is less than 5 years old and has the highest R-value fiber insulation I could find before moving to spray foam. People just really underestimate how mu

My home is less than 5 years old and has the highest R-value fiber insulation I could find before moving to spray foam. People just really underestimate how much energy it takes to produce heat, and how little energy a solar system produces in the winter. Double whammy!