Mechanicsburg farm heats their greenhouses without fossil fuels

Threefold Farm in Mechanicsburg uses a climate battery to re-use the sun’s heat to operate their greenhouses, free of any fossil fuel use.

A climate battery is a little misleading – people tend to think of the typical battery that stores electricity that we use everyday. This is a little different – this battery stores thermal energy – taking excess heat generated from the sun and storing it underground, and then pumping the heat back into the greenhouse during the night when it tends to get colder.

Tim Clymer, Co-owner of Threefold Farm, says they specialize in growing “unusual” fruits. Some of the fruits they grow include: figs, pawpaws, kiwi berries, and persimmons. They prefer these fruits because they depend on less sprayings to be able to grow and produce fruit. All of their fruit is grown completely organically.

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