Skip to content

Resource Library

DOE: Building Science Advisor Tool: Evaluate wall durability risk

Website

Overview

The BSA Tool is a no-cost, web-based tool that provides expert guidance on the moisture durability and energy efficiency of new and retrofit wall assembly designs.

Get expert guidance on a wall assembly’s moisture durability and energy efficiency.

The Building Science Advisor (BSA) Tool, is provided by Oakridge National Laboratories. BSA is a no-cost, web-based tool that provides expert guidance on the moisture durability and energy efficiency of new and retrofit wall assembly designs.  Click here to watch a CEU webinar on the benefits of this tool and how to navigate it.

Building Science Advisor (BSA) allows users to compare the performance of different combinations of wall components, providing rapid feedback and guidance on the design of a wall assembly based on expert knowledge and thousands of pre-simulated hygrothermal models.

Assess a wall assembly

Get estimates of the thermal efficiency, mold resistance, and moisture durability of different wall assemblies within different climate zones in the United States. Additionally, gain insights into what type of retrofit and what retrofit components will be most beneficial in any chosen climate zone.

Access the BSA Tool

Related Resources

Download this BPA resource

Contractor Toolkit: Attracting Business Using Search Engine Optimization (SEO)

Download the Contractor Toolkit to improve your local visibility and help you attract customers online.

Download this BPA resource

BPA: Building Science Principles Course: A Free Resource for Educators

This introductory course, presented in slideshow format, is designed to be a starting point for those interested in any career in residential energy efficiency. The course provides learners with basic information on how homes work through the lens of building science.

Hyperlink icon to reveal a BPA Resource

BPA: Nevada Contractor Meeting Series – Summer 2025

Join BPA's contractor roundtables for Nevada on Zoom this summer to discuss the status of initiatives such as Home Energy Rebates, relevant tax credits, and incentives.