Resources and Best Practices
Code Guides ,Best Practices, and Program Forms
For more detailed building science technical information, see the building science resources.
Utility Program Rebates Documents
Massachusetts - 2023 Mass Save forms:
Connecticut - 2023 CT RNC forms:
Energize CT RNC Application - 2023
Resources
Ventilation guidance - code requirements - HRV and ERV recommendations and configuration options
Slab Edge Insulation - best practices and strategies
Code Guide - 2023 IECC Stretch Code - New Construction (coming soon)
Code Guide - 2023 IECC Stretch Code - Major renovation & Additions (coming soon)
DOE Zero Energy Ready Home Certification (ZERH) - to qualify for the 45L tax credit