Are you building a home or moving to a remote location? If so, then you might want to seriously consider using solar energy to power your place. Getting the local energy company to come out to you might be expensive or impossible, so using renewable solar energy is a great way to ensure you will have all the energy you need.
DIY Solar hot water heater in extreme temperatures is still pumping 180 deg. under 27 deg. and this morning it was -5 and didn’t freeze even with out antifreeze.