Residential Retrofit

Definitions

1. Units

2. Energy Supply and Demand

• Primary energy demand (kWh/m²yr) or (total energy demand)Includes energy consumption for: Space heating, hot water, lighting, fans, pumps, cooling, cooking, appliances etc.
• Primary energy demand is divided into two categories:
  • − Regulated: Is the “regulated” (Building Regulations) use of energy in a building. It comprises of space heating, hot water, ventilation, cooling and fixed lighting.
  • − Unregulated: This includes energy for cooking, all ‘plug’ in devices and appliances such as TVs and computers.
  Unregulated energy use is difficult to estimate as it depends on individual user behaviour. ...