Question 1

What are the biggest REScheck Web updates in 2025?

Accepted Answer

The top changes include IECC 2024 integration, tiered inspection checklists, redesigned reports, and new code support for Louisiana and Vermont.

Question 2

Is REScheck Web free to use?

Accepted Answer

Yes — it’s completely free, browser-based, and maintained by the U.S. Department of Energy.

Question 3

Can I use it for renovations or additions?

Accepted Answer

Absolutely. REScheck Web supports new builds, additions, and remodels under multiple IECC versions.

Question 4

How do the 2025 updates improve workflow?

Accepted Answer

Automation, renewable credits, and inspection checklists significantly reduce manual calculations and rework.

Question 5

How does the August 2025 update improve inspections?

Accepted Answer

The tiered, phased checklist prioritizes high-impact items, making fieldwork more efficient and reducing callbacks.

Question 6

Where can I get started?

Accepted Answer

Visit https://energycode.pnl.gov/REScheckWeb, create a free account, select your jurisdiction and code version, then input your project specs.

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