French Project - At the glance

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French Encerticus trial is located in Marseille, built in 1984 and is composed by 45 dwellings divided into different 7 buildings of 2 or 3 floors, representing about 3.326m². 
The site is located in a old brownfiel and inabited by 140 low income tenants. By now, they all have individual heating by gas and the energy certifícate is 136 Kwh/m²/year. 

The refurbishment work will start in october 2013. They include:
  • Replacement of windows and shutters;
  • Thermal insulation of all exterior walls;
  • Thermostatic taps;
  • Automatons for individual heating.
The HMP procedure expects a work over 3 years, so 1 year more than the experiment official ending. HMP prepares to send to Europe and to the MED program all the result concerning the heating seasons, including the third one (from 2013 to 2016).

The project aim at comparing the energy consumption on daily life, at 3 different incitative levels:
  • Action using general information but no actions;
  • Action using human personalized coaching & nudges; 
  • Action using smart technologic tools incorporating green nudges.

Thus, the experience analyzes the impact of these different incentives actions and of the green nudges on tenants’ behaviors and the transition from human action to smart technologies. 

First year (2013-2014), HMP will set up individual monitoring for the entire building, reflecting energy consumption. Energy label a least: 136 KWh/m²/year.
2 tenants groups will be composed and all will have access to general information about their energy consumption:
  • The first one (RG on the drawing) with 15 housing will be the reference group: without any actions, except general information, without feedback;
  • The second one (EG 1 on the drawing) with 30 housing will be the experimental group: human personalized coaching and first green nudges will be set up.The first year is before refurbishment works on the building.
Second year (2014-2015) energy label at least 90KWh/m²/year.
3 tenants groups will be compared:
  • The first one (RG) with 15 housing is still the reference group: without any actions, except general information, without feedback;
  • The second one (EG 2.1) with 15 housing is an experimental group: human personalized coaching with green nudges;
  • The third one (EG 2.2) with 15 housing is an experimental group as well: human personalized coaching & green nudges + new smart tools and ergonomic network. The second year is after refurbishment works on the building. 

Third year (2015-2016) energy label at least 90 KWh/m²/year.
HMP takes the engagement to carry on with the project one year after the official ending, at his expense.
In order to have a larger approach and to determine if human action is as important as the use of technological tools, HMP will reduce significantly the human personalized coaching during the last year of the experiment for the group EG3.1, and delete completely the human action for the group EG3.2. 
We still have 3 groups
  • The first one with 15 housing is still the reference group: without any actions, except general information, without feedback for tenants (RG);
  • The second one with 15 housing is the experimental group: human personalized coaching reduced and still green nudges (EG 3.1);
  • The third one with 15 housing is the experimental group as well: new smart tools and ergonomic network (incorporating green nudges). No more human actions (EG 3.2).