The NEEA developed HVAC sizing tool. You will need to sign up for a free account to use if you don’t have one already.
A link to all PTCS technical support materials, including fact sheets, sizing calculator, support sheets, charts and more.
A link to Better Built NW’s HPWH Technical Guide PDF.
A quick link to all of BPA’s Residential HVAC Essentials guides, forms, qualified products, and more.
A visual guide for air sealing, insulation and more.
A link to Energy OutWest’s technical field guide PDF.
The Weatherization Assistance Program (WAP) Technical Assistance Center provides rules and guidance, technical tools, training resources, and more.
A collection of links to information relevant to performing weatherization or running a weatherization program or business.
A quick reference page with links to BPA Qualified Product Lists (QPLs), Marketing Resources, and more.
Requirements and best practices for existing residential weatherization for electrically heated, single family and manufactured homes.