You get that from thick walls with high thermal mass in old buildings or a lot of insulation in new. (treehugger.com)
Because of it's much higher thermal mass the oceans will represent the largest single location where heat accumulates. (skepticalscience.com)
The design, by architect Feilden Clegg Bradley Studios (FCBS) and AECOM uses various passive techniques such as high thermal mass and summertime night ventilation. (educationbusinessuk.net)