Energy design Energy design

High-efficiency social housing - micro cogeneration

Study and design of the enclosure and thermo-hydraulic plant for a residential building containing 30 residential units

The case under examination regards the construction of a social housing complex consisting of 30 residential units.

An innovative approach was crucial for the creation of a high energy efficiency building which guaranteed living comfort, in compliance with specifications laid down in legislation in force, both national and regional.

The decision to use a micro-cogeneration system resulted in a high-efficiency plant, in compliance with legal parameters and at the same time perfectly integrated with other systems of energy production from renewable sources. For more information on project evaluations please see the "when and why" section under Cogeneration.

The building, consisting of two identical elements each containing 15 residential units, was fitted with two central heating plants on the roof, one per staircase. Each central heating plant consists of 2 micro-cogenerators fitted with a thermal flywheel, each guaranteeing 5.5 kW of electrical power and 12.5 kW of thermal power. Both were integrated with a support condensation boiler.

The excellent efficiency of designed installations, coupled with the choice of state-of-the-art construction materials and solutions enabling maximum energy savings, have resulted in high energy classification residential units.

Plumbing,  drainage and ventilation was also designed along with the heating system. All administrative practices regarding the containment of energy consumption were carried out, with particular reference to Law 10/91, Legislative Decree 192/05 and successive 311/06 (national) as well as regional law 156/2008 (Emilia Romagna Region).

The micro-cogenerative plant was commissioned on 22nd November 2012.

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