AATA Online is a free research database containing abstracts of literature related to the preservation and conservation of material cultural heritage.

Architecture 2030 is a non-profit, non-partisan and independent organization established in 2002 in response to the ongoing climate emergency.

Many studies objectively demonstrate the viability of repairing original windows. Some of them are collected here. All of the studies conclude that original window repair and other conservation strategies provide similar energy benefits of a replacement window, with less impact to the environment as an existing resource.

GSA's illustrated Technical Guidelines profile innovative preservation design solutions developed for GSA historic projects.

Historic England has produced a wide range of practical guidance to help with saving energy in older and listed buildings.

Local conservation guidelines and maintenance tips for homes in Canada.

This site is dedicated to the
buying and selling, preservation, restoration, and enjoyment
of old houses and other historic buildings.

A not-for-profit organization dedicated to preserving, documenting, and promoting Ontario barns.

This site draws on the work of many craftsmen, historians, architects, archaeologists, engineers, scientists and conservators over the last forty years to provide historical context to the development of new treatments, with the addition of a fundamental education in materials principles necessary to work on historic buildings.