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The Secret to Net-Zero Homes
Near Net-Zero Homes can be achieved solely with designing & building a "passive" home. A passive home is simply an airtight home with super insulated home that harvests as much solar energy as possible. Combine thick, heavily insulated walls with large triple-paned windows facing south and a thermally massive floor - you will end up getting most of your heating for free. During the day, the heat sinks into the floor which is then released back into the house during the night. For backup heat, they have a fireplace and electric baseboard heaters. By using electric heat they avoid the need for a natural gas furnace and the monthly bill that goes with it.