Resource Library

Use this estimator to determine a climate-adjusted coefficient of performance (COP) for the ECO2 CO2 Heat Pump Water Heater. This estimator also includes instructions on modeling storage losses associated with water storage tanks and swing tanks per ECO2's available products. This estimator is applicable for Gen 1 through Gen 5.

Phius Certification Manager Haley Harlow and Phius Building Certification Associate Rodrigo Barrios-Piedra answer questions related to the METr energy modeling tool.

Phius certification team members walk through the METr energy modeling software and answer questions.

This calculator can be used to determine psi-values for 2-D thermal bridges in combination with THERM.

This is a "performance criteria" protocol for assessing moisture risk in opaque assemblies. It is referred to as a compliance path in the Certification Guidebook, section B-1. The current version mainly pertains to WUFI Pro.

Phius Certification Manager Al Mitchell answers questions about the WUFI Passive energy modeling software.

The Phius Certification Guidebook is the one-stop-shop for all things related to the Phius project certification program.

Use this estimator to determine if a building targeting Phius Certification is required to provide a dedicated make-up air system when using intermittent direct exhaust systems such as exhaust dryers or exhaust kitchen range hoods.

Phius Certification Manager Al Mitchell utilizes energy modeling tools to examine the future of building construction through the lens of passive building.

Phius Certification Manager Al Mitchell answers questions about REVIVE 2024 modeling.