Resource Library

A webinar put on by the Lower Northeast Region of the Phius Alliance brings together industry experts to discuss fenestration.

Use this estimator to determine a climate-adjusted coefficient of performance (COP) for the Aegis A CO2 Heat Pump Water Heater. This estimator also includes instructions on modeling storage losses associated with water storage tanks per Lync by WATTS' available products. This estimator is applicable for the 250, 350 and 500 models.

Use this estimator to determine a climate-adjusted coefficient of performance (COP) for the Transom Heat Pump Water Heater. This estimator is applicable for the V105, V210 and V420 models.

Use this estimator to determine a climate-adjusted coefficient of performance (COP) for the Ice Air ccHPWH. This estimator is applicable for the 275-D-B, 275-S-B, 550-D-B and 550-S-B models.

This estimator should be used to determine average and design occupancy of non-residential and non-residential portions of mixed-use projects.

Use this estimator to determine the auxiliary energy associated with an active snow-melt system.

Phius Chief Building Scientist Graham Wright discusses the role of building science in the future of human shelter.

Use this estimator to determine specific or total storage loss inputs for domestic hot water storage tanks when no 3rd party rating is provided or when an AHRI standby loss is known.

Members of the Phius certification staff offer insights into some recently updated Phius calculators.

WUFI Passive takes a conservative approach to DHW modeling for non-residential projects. Phius has developed this tool to estimate the effective DHW modeling inputs for non-res projects using WUFI or METr.