Eco-Energy Retrofit 80% C02 reduction (Peter Keig)

Enterprise, innovation and education...

• 30 years in engineering• Founded Eco-Energy (NI) Ltd 2006• MSc thesis at UUJ - Retrofitting existing dwellings to reduce

CO2 by 80%• Technology Strategy Board Retrofit for the Future• PhD research student at UUJ - Establishing a hierarchy of

retrofit solutions

UK Retrofit driver

• 2008 Climate Change Act - legally binding target of an 80% reduction in carbon dioxide (CO2) emissions and five other greenhouse gases by 2050

• To meet target - 12,600 UK whole-house 80% retrofits per week until 2050

• UK market £200bn - £600bn over next 40 years

Belfast project house Pre retrofit Post retrofit

Retrofit design guidance

Why retrofit?

PHPP Sensitivity analysis

LZC CO2 reduction

Insulation levels

Induced structural decay

Roof cassette assembly

Airtightness - 0.3 ach

Mixed mode ventilation

Clothes drying cabinet

Space heating and DHW

Controls and interlocks

Daylighting

Monitoring

Solid wall temp/moisture monitoring

Indoor climate

Energy costs

Process flow

Retrofit hierarchy

First ACTIVE HOUSE retrofit in Europe