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Analysis of Various Ventilation Solutions for Residential and Non-residential Buildings in Latvia and Estonia

  • Jurgis ZemitisEmail author
  • Anatolijs Borodinecs
  • Targo Kalamees
Conference paper
Part of the Springer Proceedings in Energy book series (SPE)

Abstract

As the newly built and renovated buildings consume less energy for heating needs, due to better and thicker insulation, the relative energy consumption for ventilation increases. This leads to necessity for increased effectiveness of ventilation systems, but such systems are more expensive in installation therefore the most economically feasible solution must be found in each case. A specific attention should be paid to such unclassified buildings as dormitories and barracks where occupancy profile and density differs from residential buildings which are already widely analyzed. This paper presents study results of cost analysis for different ventilation strategies for case study multi-story apartment building in Latvia and Estonia. The compared ventilation strategies include natural ventilation through windows, natural ventilation by having inlet valves with natural exhaust, hybrid ventilation with inlet devices in walls and mechanical exhaust, decentralized mechanical ventilation with room based heat recovery, decentralized mechanical ventilation with apartment based heat recovery and building based centralized ventilation system. For each of these system types installation costs are estimated, based on necessary equipment and actual market prices. Afterwards annual running and maintenance costs are calculated and obtained data compared to select the optimal solution. The results show that the most cost effective system in longer time period is centralized ventilation system which serves whole staircase. Although the simpler solutions like natural or hybrid ventilation systems with air inlets through walls and mechanical exhausts are initially cheaper the energy costs to heat up the incoming air are high and therefore cost inefficient in longer time period.

Keywords

Ventilation Efficiency Cost analysis 

Notes

Acknowledgements

This study was supported by European Regional Development Fund project Nr.1.1.1.1/16/A/048 “Nearly zero energy solutions for unclassified buildings”.

This research was supported by the Estonian Centre of Excellence in Zero Energy and Resource Efficient Smart Buildings and Districts, ZEBE, grant TK146 funded by the European Regional Development Fund, and by the Estonian Research Council with Institutional research funding grant IUT1-15.

This work has been supported by the European Regional Development Fund within the Activity 1.1.1.2 “Post-doctoral Research Aid” of the Specific Aid Objective 1.1.1 “To increase the research and innovative capacity of scientific institutions of Latvia and the ability to attract external financing, investing in human resources and infrastructure” of the Operational Programme “Growth and Employment” (No. 1.1.1.2/VIAA/1/16/033).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Jurgis Zemitis
    • 1
    Email author
  • Anatolijs Borodinecs
    • 1
  • Targo Kalamees
    • 2
  1. 1.Institute of Heat, Gas and Water TechnologyRiga Technical UniversityRigaLatvia
  2. 2.Tallinn University of TechnologyTallinnEstonia

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