Highly granular modeling of the U.S. housing stock
Housing stock characteristics database
Physics-based computer modeling
The ResStock and ComStock analysis tools are helping states, municipalities, utilities, and manufacturers identify which building stock improvements save the most energy and money. Learn more.
Explore existing analysis results on ResStock's interactive website. State-level results can be filtered to investigate various segments of the housing stock, whether that is homes of a certain vintage, homes with a specific heating fuel type, or homes with a certain type of wall construction type.Data Visualization
State audiences can benefit from the series of fact sheets developed for the 48 contiguous U.S. states. Each fact sheet presents the potential for economic energy and utility bill savings for the state. The top ten energy savings home improvements are highlighted.State Fact Sheets
While we recommend using the published datasets for analysis, the ResStock source code and input probability distributions are publicly available for use by advanced modelers and developers.Software Releases
Gain insights on the validation methodology and view national- and state-level results from the 2016 single-family detached analysis in the NREL Technical Report, Energy Efficiency Potential in the U.S. Single-Family Housing Stock .
View webinar slides and recording from a Building America webinar presented on March 29. 2017Publications