We need to retrofit millions of buildings with airtightness and insulation to achieve net zero. What is EnerPHit compared to Passivhaus, what are passivhaus principles? We give an introduction to highly efficient construction renovation projects.
Most newly-constructed buildings in the UK and Ireland must undergo an airtightness test. But how does airtightness testing work, what different types of tests are there, and what do you need to do to get a building ready for testing?