Recommended resources.
Access decades of research, technical reports, and design insights developed
by our engineers and analysts. From in-depth studies to practical calculators
nd tools, this growing collection supports high-performance building design,
decarbonization strategies, and policy innovation.
Ecotope Publications Library
Research reports, design guides, technical papers, and magazine articles from 50 years of building science expertise.
Ecosizer
A free tool for sizing central water heating systems based on commercial heat pump water heaters in multifamily and commercial buildings.
Cistern Sizing Tool
Quickly estimate rainwater storage needs for your project.