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Board debates whether adding renewables and efficient appliances to the reference design creates a loophole
Summary
Board members debated proposed rows in the R405 standard reference design that would credit on‑site renewables and efficient non‑HVAC appliances. Some opposed the rows as enabling envelope trade‑offs; others said R405 already requires more stringent envelopes and changes can be aligned with R408.
Board members discussed whether new rows added to the standard reference design table for R405 (whole‑building simulated performance) could unintentionally allow projects to weaken building envelopes while claiming savings for on‑site renewables and efficient appliances.
The issue was raised after public comment from the Responsible Energy Code Alliance and others. Jess (board member) asked whether the table additions for "renewable energy, lighting, and…
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