<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">Energy efficiency measures are different from energy efficiency and cost effectiveness perspective. For decision maker it is hard to make right decision about different energy efficiency measure combinations in building. It is a complex problem to choose the best energy efficiency measure combination as decision involves many different factors that should be taken in account. Decision on implementation of energy efficiency measure implementation usually depends on investment costs and pay back time. Standards like Latvian Building Code LBN 002-01 can't be used to achieve reasonable expenses in renovation of buildings. Therefore, in order to find the optimal energy-efficiency measures, it is necessary to carry out optimization taking all the variable parameters into account. In the paper target function was presented that gives ability of the multi-objective optimization approach to handle the problem of improving energy efficiency in buildings. Case study is used to demonstrate the feasibility of the approach. 104. series soviet type dwellings was analysed to optimized insulation thickness for external walls. Even if accord with the LBN 002-01 it is enough to use 7 cm thick isolation (λ-0,039 W/(m2K)) layers optimal insulation layer is 12 cm (λ-0,039 W/(m2K)).</abstract>

Energy efficiency measures are different from energy efficiency and cost effectiveness perspective. For decision maker it is hard to make right decision about different energy efficiency measure combinations in building. It is a complex problem to choose the best energy efficiency measure combination as decision involves many different factors that should be taken in account. Decision on implementation of energy efficiency measure implementation usually depends on investment costs and pay back time. Standards like Latvian Building Code LBN 002-01 can't be used to achieve reasonable expenses in renovation of buildings. Therefore, in order to find the optimal energy-efficiency measures, it is necessary to carry out optimization taking all the variable parameters into account. In the paper target function was presented that gives ability of the multi-objective optimization approach to handle the problem of improving energy efficiency in buildings. Case study is used to demonstrate the feasibility of the approach. 104. series soviet type dwellings was analysed to optimized insulation thickness for external walls. Even if accord with the LBN 002-01 it is enough to use 7 cm thick isolation (λ-0,039 W/(m2K)) layers optimal insulation layer is 12 cm (λ-0,039 W/(m2K)).

Multi-Objective Optimization Approach for Improving Performance of Building

Institute of Energy Systems and Environment, Riga Technical University, Kronvalda Boulevard 1, LV-1010, Riga, Latvia

Environmental and Climate Technologies

{"article-title":"Multi-Objective Optimization Approach for Improving Performance of Building"}

Energy efficiency measures are different from energy efficiency and cost effectiveness perspective. For decision maker it is hard to make right decision about...

Multi-Objective Optimization Approach for Improving Performance of Building

Published Online: Mar 26, 2010

Page range: 70 - 73

DOI: https://doi.org/10.2478/v10145-009-0009-4

Keywords
energy and building, energy efficiency, optimization

This content is open access.

Multi-Objective Optimization Approach for Improving Performance of Building

Published Online: Mar 26, 2010

Page range: 70 - 73

DOI: https://doi.org/10.2478/v10145-009-0009-4

Keywordsenergy and building, energy efficiency, optimization

This content is open access.

Keywords
energy and building, energy efficiency, optimization