Knowledgebase Knowledgebase Welcome to the 3West Knowledgebase Blog. This is where we share our insights on specific topics with our readers. Search Recent Posts Windows and Whole Wall Performance January 25, 2021 The Carbon Cost of Construction Materials May 5, 2020 Guidelines for Building a Step 5 Home January 28, 2020 Incorporating Passive Solar Design into Energy Efficient Building October 9, 2019 Not All New Construction is Energy Efficient June 14, 2019 BC Energy Step Code Requirements for the Kootenays and Okanagan March 22, 2019 Myths of the Airtight Home March 21, 2019 Benefits of a Home Energy Audit January 18, 2019 What is Energy Modelling? September 30, 2018