Library

Webpage listing ACCA Manual J and D calculation software that is approved by ACCA.

This directory contains the I=B=R Ratings for cast-iron, steel, aluminum and copper boilers, baseboard and finned tube radiation, indirect-fired water heaters, effective as of the date of this publication.

AHRI-hosted directory of residential products meeting CEE's highest tier

Online database with efficiency information about residential HVAC systems and commercial refrigeration equipment.

Webpage describing the successes and ongoing efforts of the Northwest Energy Efficiency Alliance's Go Ductless ductless heat pump program which successfully encouraged the installation of more than 150,000 minisplit heat pumps in the Northwest between 2010 and 2021.

Online calculator for estimating payback of adding additional insulation to your house.

Book with indepth information about hydronic systems for residential and commercial buildings.

This report is designed to meet ASHRAE 62.2-2010/2013 and ANSI/ACCA’s 5 QI-2015 protocol, thereby improving the performance of HVAC equipment in new homes when compared to homes built to minimum code.

Article describing how to properly manage condensing HVAC equipment.

A free tool used to calculate the required minimum flow rate of dwelling-unit ventilation.

Software enabling low-carbon planning, implementation, monitoring and reporting.

A CD guide intended to help communities mitigate damage or loss from tornadoes and other extremewind events, and provide public information resources for conveying the importance of safe room construction.

Tool determining the most economical and efficient photovoltaic array location and position.

Handheld solar site analysis tool capturing whole-horizon images for a site and generating shading analysis reports.

Question and Answer article in Energy Design Update describing the cost and savings benefits of electronically commutated motors (ECMs) for HVAC equipment.