Dennis Johansson

Search results

• 2025

  Pragmatic design solution to decarbonize building industry through a low temperature district network

  Chaulagain, N., Everbring, E., Janson, U. & Johansson, D., 2025 Jun 2, In: Energy and Buildings.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Substations 100%
  • Low-Temperature 100%
  • Building Industry 100%
  • Design Solution 100%
  • Energy Systems 50%

• Energy Efficiency Potential of Second Homes Heated by Direct Electric Heating Located in Four Regions in Sweden

  Mjörnell, K. & Johansson, D., 2025 Feb, In: Energies. 18, 3, 744.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Residential Building 100%
  • Heat Pump 100%
  • Energy Efficiency Measure 100%
  • Energy Efficiency 100%
  • Hot Water 50%
• 2024

  Comparative study and validation of a new analytical method for hydraulic modelling of bidirectional low temperature networks

  Abugabbara, M., Lindhe, J., Javed, S., Johansson, D. & Claesson, J., 2024 Jun 1, In: Energy. 296, 131168.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Low-Temperature 100%
  • Hydraulics 100%
  • Performance 33%
  • Energy Source 33%
  • District Heating System 33%

• Challenges and potentials of using a local heat pump in a 5 GDHC solution: Results from field and laboratory evaluations

  Lindhe, J., Larsson, M., Willis, M., Tiljander, P. & Johansson, D., 2024 Feb, In: Energy. 289, 129807.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Heat Pump 100%
  • Temperature Range 28%
  • Coefficient of Performance 28%
  • Heat Source 28%
  • Research 14%

• A new analytical method for modeling network hydraulics in district systems with bidirectional mass and energy flows

  Claesson, J., Lindhe, J., Abugabbara, M., Johansson, D. & Javed, S., 2024, In: Science and Technology for the Built Environment. 30, 6, p. 547-562 16 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Mass Flowrate 100%
  • Hydraulics 100%
  • Applicability 50%
  • District Heating System 50%
  • District Cooling System 50%

• A quantitative and qualitative literature review of water damage in buildings occurring in building service systems, appliances and wet rooms

  Mattsson, C., Nordquist, B., Johansson, D., Bagge, H. & Wallentén, P., 2024, In: Indoor and Built Environment. 33, 7, p. 1173-1189 17 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Building Service System 100%
  • Repair Cost 11%
  • Building Pathology 11%
• 2023

  Modelling an air handling unit, building and occupant variation regarding energy, moisture and frost protection based on measurements of an air handling unit and occupants’ moisture supply

  Johansson, D., Daugela, M., Wahlström, Å. & Bagge, H., 2023 Mar, In: SN Applied Sciences. 5, 3, 74.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Energy Engineering 100%
  • Heat Recovery 80%
  • Models 60%
  • Exchanger 60%
  • Recovery 40%
• 2022

  A review of the current status and development of 5GDHC and characterization of a novel shared energy system

  Lindhe, J., Javed, S., Johansson, D. & Bagge, H., 2022, In: Science and Technology for the Built Environment. 28, 5, p. 595-609

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Development 100%
  • Energy Systems 100%
  • Operational Architecture 50%
  • Functional Knowledge 50%
  • Research 20%

• A simulation model for the design and analysis of district systems with simultaneous heating and cooling demands

  Abugabbara, M., Javed, S. & Johansson, D., 2022, In: Energy. 261, Part A, 18 p., 125245.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Models 100%
  • Pipe 100%
  • Simulation Model 100%
  • Cooling Demand 100%
  • District Heating System 66%

• The impact of a DCV-system on the IAQ, energy use, and moisture safety in apartments - a case study

  Abdul Hamid, A., Johansson, D., Wahlström, Å. & Fransson, V., 2022, In: International Journal of Ventilation. 21, 1, p. 35-52

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Energy Engineering 100%
  • Accident Prevention 100%
  • Control System 66%
  • Field Measurement 66%
  • Heat Recovery 66%
• 2021

  Uncertainty analysis of climate change potential assessments of five building energy renovation measures in Sweden

  Farsäter, K., Wahlström, Å. & Johansson, D., 2021 Dec, In: SN Applied Sciences. 3, 12, 863.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Sweden 100%
  • Climate Change 100%
  • Building 100%
  • Uncertainty Analysis 100%
  • Stock 100%

• Modelica-based simulations of decentralised substations to support decarbonisation of district heating and cooling

  Abugabbara, M., Lindhe, J., Javed, S., Bagge, H. & Johansson, D., 2021 Oct 28, In: Energy Reports. 7, 4, p. 465-472 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Substations 100%
  • District Heating 100%
  • Heat Pump 75%
  • Performance 50%
  • Installation 50%

• Determining the Impact of High Residential Density on Indoor Environment, Energy Use, and Moisture Loads in Swedish Apartments-and Measures for Mitigation

  Abdul Hamid, A., von Platten, J., Mjörnell, K., Johansson, D. & Bagge, H., 2021 May 13, In: Sustainability. 13, 10, 27 p., 5446.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Energy Engineering 100%
  • Environment 100%
  • Density 100%
  • Housing 50%
  • Lower Energy 16%
• 2020

  Ventilation measures for heritage office buildings in temperate climate for improvement of energy performance and IEQ

  Abdul Hamid, A., Johansson, D. & Bagge, H., 2020 Mar 15, In: Energy and Buildings. 211, 109822.

  Research output: Contribution to journal › Article › peer-review

  • Energy Performance 100%
  • Office Buildings 100%
  • Energy Engineering 75%
  • Field Measurement 50%
  • Change Rate 50%

• Determining the impact of air-side cleaning for heat exchangers in ventilation systems

  Abdul Hamid, A., Johansson, D. & Lempart, M., 2020 Jan 1, In: Building Services Engineering Research & Technology. 41, 1, p. 46-59 14 p.

  Research output: Contribution to journal › Article › peer-review

  • Exchanger 100%
  • Cleaning 100%
  • Ventilation System 100%
  • Pressure Drop 60%
  • Contamination 60%

• A method to estimate absence in apartments based on domestic water use

  Fransson, V., Bagge, H. & Johansson, D., 2020, In: Building and Environment. 180, 107023.

  Research output: Contribution to journal › Article › peer-review

  • Lower Energy 100%
  • Energy Engineering 49%
  • Appliance 49%
  • Zeros 49%
  • Measurement Data 49%

• Influence of user-related parameters on calculated energy use in low-energy school buildings

  Simanic, B., Nordquist, B., Bagge, H. & Johansson, D., 2020, In: Energies. 13, 11, 2985.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Energy Engineering 100%
  • Lower Energy 100%
  • School Buildings 100%
  • Energy Building 75%
  • Energy Performance 50%

• Predicted and measured user-related energy usage in newly built low-energy schools in Sweden

  Simanic, B., Nordquist, B., Bagge, H. & Johansson, D., 2020, In: Journal of Building Engineering. 29, 101142.

  Research output: Contribution to journal › Article › peer-review

  • Lower Energy 100%
  • Energy Usage 100%
  • Energy Performance 60%
  • Research 40%
  • Measured Energy 40%
• 2019

  Impact of variations in residential use of household electricity on the energy and power demand for space heating – Variations from measurements in 1000 apartments

  Fransson, V., Bagge, H. & Johansson, D., 2019, In: Applied Energy. 254, 113599.

  Research output: Contribution to journal › Article › peer-review

  • Energy Demand 100%
  • Space Heating 100%
  • Low Energy Building 33%
  • Foundations 16%
  • Appliance 16%

• Indoor air temperatures, CO₂ concentrations and ventilation rates: Long-term measurements in newly built low-energy schools in Sweden

  Simanic, B., Nordquist, B., Bagge, H. & Johansson, D., 2019, In: Journal of Building Engineering. 25, 100827.

  Research output: Contribution to journal › Article › peer-review

  • Lower Energy 100%
  • Indoor Air 100%
  • Air Temperature 100%
  • Design Criterion 28%
  • Environment 14%

• Measuring the impact of MVHR on the energy efficiency and the IEQ in multifamily buildings

  Abdul Hamid, A., Bagge, H. & Johansson, D., 2019, In: Energy and Buildings. 195, p. 93-104 12 p.

  Research output: Contribution to journal › Article › peer-review

  • Energy Conservation 100%
  • Multifamily Building 100%
  • Energy Engineering 40%
  • Reduction 40%
  • Radiation 40%
• 2017

  Investigating parameters affecting the indoor temperature drop after a power cut: In-situ measurements and simulations

  Fransson, V., Bagge, H. & Johansson, D., 2017 Nov 15, In: Building and Environment. 125, p. 401-413 14 p.

  Research output: Contribution to journal › Article › peer-review

  • Situ Measurement 100%
  • Temperature 100%
  • Energy Demand 50%
  • Dwelling 50%
  • Energy Engineering 25%
• 2016

  Evaluation of a Low-energy Residence for Users with Functional Disorders

  Wahlström, Å., Johansson, D. & Ejlertsson, A. M., 2016, In: Procedia Engineering. 146, p. 139-146 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Lower Energy 100%
  • Houses 66%
  • Energy Engineering 33%
  • Energy Demand 33%
  • Energy Performance 33%
• 2015

  Moisture supply Set Point for avoidance of moisture damage in Swedish multifamily houses

  Abdul Hamid, A., Wallentén, P. & Johansson, D., 2015 Nov 1, In: Energy Procedia. 78, p. 901-906 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Houses 100%
  • Set Point 100%
  • Moisture Damage 100%
  • Indoor Air 25%
  • Building Material 25%
• 2014

  Measured indoor hygrothermal conditions and occupancy levels in an arctic Swedish multi-family building

  Bagge, H., Johansson, D. & Lindstrii, L., 2014, In: HVAC&R Research. 20, 4, p. 376-383

  Research output: Contribution to journal › Article › peer-review

  • Energy Engineering 100%
  • Characteristics 50%
  • Energy Conservation 50%
  • Building Performance 50%
  • Input Data 50%
• 2012

  Solar shading based on room heating and cooling demand

  Johansson, D., 2012, (Submitted) In: Energy.

  Research output: Contribution to journal › Article › peer-review
• 2011

  Measurements of household electricity and domestic hot water use in dwellings and the effect of different monitoring time resolution

  Bagge, H. & Johansson, D., 2011, In: Energy. 36, 5, p. 2943-2951

  Research output: Contribution to journal › Article › peer-review

  • Dwelling 100%
  • Domestic Hot Water 100%
  • Installation 33%
  • High Value 33%
  • Energy Simulation 33%

• Measurements of occupancy levels in multi-family dwellings-Application to demand controlled ventilation

  Johansson, D., Bagge, H. & Lindstrii, L., 2011, In: Energy and Buildings. 43, 9, p. 2449-2455

  Research output: Contribution to journal › Article › peer-review

  • Low Energy Building 100%
  • Term Variation 100%
  • Hot Water Heating 100%
  • Air Quality 100%
  • Domestic Hot Water 100%

• Simulating space heating demand with respect to non-constant heat gains from household electricity

  Johansson, D. & Bagge, H., 2011, In: Journal of Building Performance Simulation, Taylor & Francis. 4, 3, p. 227-238

  Research output: Contribution to journal › Article › peer-review

  • Heat Gain 100%
  • Space Heating 100%
  • Low Energy Building 75%
  • Energy Engineering 50%
  • Energy Simulation 50%
• 2009

  The life cycle costs of indoor climate systems in dwellings and offices taking into account system choice, airflow rate, health and productivity

  Johansson, D., 2009, In: Building and Environment. 44, 2, p. 368-376

  Research output: Contribution to journal › Article › peer-review

  • Airflow Rate 100%
  • Dwelling 100%
  • Lifecycle Cost 100%
  • Cooling System 33%
  • Office Buildings 33%
• 2004

  Optimal supply air temperature with respect to energy use in a variable air volume system

  Engdahl, F. & Johansson, D., 2004, In: Energy and Buildings. 36, 3, p. 205-218

  Research output: Contribution to journal › Article › peer-review

  • Energy Engineering 100%
  • Air Conditioning 28%
  • Building Envelope 28%
  • Energy Systems 14%
  • Zeros 14%
• 2003

  A life cycle cost approach to optimising indoor climate systems

  Johansson, D. & Svensson, A., 2003, In: Chapter in Construction Process Improvement.

  Research output: Contribution to journal › Article › peer-review