Resource Library
DOE: Free Building Science Calculators for Residential Energy Efficiency Professionals
Overview
The RED Calc Free and RED Calc Pro web app entire suite of software tools is now free for all to use through the WAP program.
The Weatherization Assistance Program (WAP) and the Building Technologies Office (BTO) of the Department of Energy (DOE) have collaborated to purchase the RED Calc Free and RED Calc Pro web app software tools. The entire suite of tools is now free for all to use.
Tool Categories:
Ventilation Sizing Airflow Measurement | Insulation | Domestic Hot Water | Moisture | Electrical Use | Weather Data
Related Resources
Weatherization Installer Job Aids
Weatherization job aids are step-by-step visual guides created to assist home energy professionals with effective, durable, and safe energy efficiency upgrades.
What is the Building Envelope Performance (BEP) value?
Watch the video to learn how the BEP value is used to describe the overall thermal performance of a building envelope.
DOE: Better Buildings E-Learning Center
This online resource offers a collection of webinars and e-learning courses for improving building energy efficiency.