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Step One of the Four Step Process: Tightening the Envelope

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In this video you will see Jonathan discuss STEP ONE: Tightening the Envelope in detail.  Supplied Energy follows a four step idea to electric freedom. Follow along as Jonathan goes into detail about what it means to tighten the envelope and what methods he used at his house.  Also what we want to accomplish by tightening the envelope and when are we ready to move to the next step.