OCONOMOWOC, WISC. — With failing boilers and an inefficient heating system, historic Zion Episcopal Church in Oconomowoc, Wisconsin, needed guidance and help to transform its old heating system into a new efficient system.  Zion Episcopal Church is a Wisconsin landmark founded more than a century and a half ago. In 1846, the Rt. Reverend Jackson Kemper, the first missionary Episcopal Bishop, established the Zion Episcopal community in Oconomowoc. The present day stone church ...

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