Every year, hundreds of thousands of newly HERS-rated homes reveal exactly how builders are shifting their material and equipment choices — zone by zone, state by state. This report breaks down multi-year rating data across insulation, HVAC, water heating, windows, and air sealing to show manufacturers where the market is moving next, and where the biggest openings are today.
Zone 2 continuous insulation usage is dropping fast. See what's replacing it.
Heat pump adoption has doubled nationally — some states are moving even faster.
Gas storage water heaters are losing share as heat pump water heaters triple.
U-factor has improved every year on record — but SHGC specs vary widely by zone.
Airtightness hasn't budged in six years in the loosest climate zones — a hidden opportunity.
Download the report to learn about how trend changes impact our industry.