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COMPARISON OF THE ENERGY PERFORMANCE OF BUILDINGS BASED ON MONTHLY AND HOURLY STEPS OF CALCULATION

Dagmar Richtrova, Lenka Prokopová

First published: 2023-10-01https://doi.org/10.5593/sgem2023/5.1/s23.75View metrics

Abstract

As of 1.1.2023, a legal obligation under Decree No. 264/2020 Coll., Section 4, point 1 and Section 12 to calculate the total delivered energy for buildings with cooling, humidity adjustment and/or electricity generation by a maximum hourly step has been established in the Czech Republic. The current monthly calculations represented stationary thermal balances of losses and gains. The new hourly calculation is a dynamic model. The accuracy of the model increases significantly based on the solution of the differential equations of heat conduction of thermal inertia of the structures. This increases the accuracy of the modelling of the energy performance of the buildings and it is questionable what impact this will have on the evaluation of PENB.

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Publication details

Title
COMPARISON OF THE ENERGY PERFORMANCE OF BUILDINGS BASED ON MONTHLY AND HOURLY STEPS OF CALCULATION
Authors
Dagmar Richtrova, Lenka Prokopová
Proceedings
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2023, Ecology, Economics, Education and Legislation, Vol. 23, Issue 5.1
Publisher
STEF92 Technology
Year
2023
Pages
547-554
SWS Citekey
Richtrova202323547554
ISSN
1314-2704
ISBN
978-619-7603-60-6
Language
en
Publication type
Conference Paper
Proceedings contents
Open official contents
Keywords
energy performance of buildingsmonthly step of calculationhourly step of calculation
References3

  1. DIRECTIVE OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL 2010/31/EU as amended by 2018/844/EU

  2. ACT No. 406/2000 Coll. on energy management as amended

  3. DECREE No. 264/2020 Coll. on the energy efficiency of buildings

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