This work proposes a mathematical dynamic modeling of a PV-T bi-fluids collector prototype that willpermit electricity production and preheating air and/or hot water production.This study is realised in a bi-dimensional geometry according to some assumptions. The collector is discretizedalong the flow and the collector slope is taking into account in the radiative transfers equations.

This paper introduces a new approach for the prediction of hourly energy consumption inbuildings. The proposed method uses nonlinear timeseries analysis techniques for thereconstruction of energy consumption timeseries and the estimation of the dynamicinvariants, and artificial neural networks as a nonlinear modeling tool.Among the several neural network modeling factors that affect time-series prediction, themost important are the window-size and the sampling lags for the data.

Researchers and practitioners have proposed a variety of solutions to reduce electricity consumptionand curtail peak demand.

The EPLabel project is developing a ‘graduated response’ to address the EPBD Article 7.3 requirement for ‘Public Buildings’ over 1,000 m² to display an Energy Performance Certificate prominently. The idea is that assessments can be at different levels of

At present 95% of energy consumption for heating, domestic hot water, air conditioning, lighting andventilation in Europe are related to buildings built before 1980.

The present paper presents the results of the application of cluster analysis in the energy rating ofschool buildings. A complete program on energy and environmental quality of school buildings wasundertaken by NKUA in collaboration with the School Authority of Greece. The research was based onthe participation of 320 schools of secondary education from all the prefectures of Greece.

In the context of pressing and frequently conflicting environmental, economic and social policyobjectives, energy efficiency investment is repeatedly found to be a cost-effective and reconcilablecomponent of energy policies. High-rise residential buildings are a particularly salient issue in thisregard as their poor energy efficiency is regarded as a moderate to major problem by 18 out of 27housing ministries respondent to a Europe-wide survey.

The paper describes results of a Preliminary Study for the Plan of Quality of Living (PSPQL) of a townin the hinterland of Milan, conducted by an interdisciplinary group of researchers, involving alsofacilitators, town councillors, administrators, technicians and citizens. Main aim of the work is theevaluation of the most sustainable actions to be taken for improving conditions of living. A bottom-upand participative approach has been followed.

This work is aimed at assessing the economical feasibility of a retrofit intervention consisting into the façade renovation of an office building, built in the 70s and located in Italy near Torino. The office building, characterized by high occupancy rate

The purpose of the paper is to influence governments throughout the world to achieve massiveimprovements in energy and exergy performance in their respective countries by legislation and otherpolicy instruments keyed to the overall or integrated energy and exergy performance of energytransformation systems.Energy transformation systems include: all types of buildings; electric, heating, and cooling districtpower plants; water treatment plants, energy and water distribution systems; cars, trucks, buses,motorcycles, trains, planes and other powered transportation systems; and manufacturing pr