After you’ve tried building the case for a deep energy retrofit, what do you do next? The diagram below provides our recommendations. If you have decided not to conduct a deep energy retrofit, than we recommend low- and no-cost re-commissioning (or retro-commissioning) measures and a simple retrofit.
If you have built a solid case for the deep energy retrofit of a building but it is not the right time to conduct the retrofit, then we recommend commissioning and planning for a deep energy retrofit when a trigger is expected to occur. We do not recommend a simple retrofit for a building that has been slated for a deep energy retrofit analysis within 5 to 10 years (because most simple retrofits take that long to pay back).
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