Airtightness
What is an Air Tightness Test? An air tightness test (also commonly referred to as an air leakage test, blower door test or air permeability test) is a test to determine the level of uncontrolled air flow through gaps or cracks in the fabric of a building. To...
BER Certs
What is a BER? A Building Energy Rating (BER) is an indication of the energy performance of a building. It covers energy use for space heating, water heating, ventilation and lighting calculated on the basis of standard occupancy. The BER is similar to the en...
DEC Certs
What is a Display Energy Certificate (DEC)? A Display Energy Certificate (DEC) is an operational energy rating that identifies the actual energy use of a building and compares this against the energy use for a benchmark building of the same type. The operat...