Tesla has invented the answer to the problem of solar energy storage in a home for an affordable price. Yes, you can heat your home with solar energy, and there is enough sunlight in Maine. It will amortize quite quickly to become free energy for you for many years to come. If you want to help prevent the worst, extreme, global, environmental conditions in recorded history, buy solar energy now. Or you could wait until there is a crisis in your neighborhood and wish you did.