- uploaded: Jan 13, 2011
- Hits: 61
Display Energy Certificate shows the energy performance of a building based on actual energy consumption as recorded annually over periods up to the previous three years. A DEC is valid for one year and must be updated annually.Thepurpose of introducing Display Energy Certificates is to raise public awareness of energy use by informing visitors to public buildings of the energy efficiency of the building. We are experts in this.