Overview

HEAT3 is a PC-program for three-dimensional transient and steady-state heat transfer. The program is along with the two-dimensional version HEAT2 used by more than 1000 consultants and 100 universities and research institutes worldwide. The program is validated against the standard EN ISO 10211.

Examples of applications

· General heat conduction problems
· Thermal bridges
· Calculation of U-values for building construction parts
· Estimation of surface temperatures (condensation risks)
· Calculation of heat losses to the ground from a house
· Optimization of insulation fitting
· Analysis of floor heating systems
· Analysis of window frames

Features
  • Well tested and robust pc-program. Well documented with a succinct theory. Easy to learn to use. Handy and rapid input due to an integrated pre-processor.  Automatic mesh generation. Quick numerical method with optimization. Both steady-state and dynamic analysis. Multiple consecutive simulations may be started externally (batch mode).
  • Post-processor with extensive graphical capabilities in 2D and 3D of geometry, materials, numerical mesh, boundary conditions, temperature field, heat flow arrays and isotherms. Features: zooming, panning, rotation, color/gray-scale, high resolution printing. Arbitrary heat flows and temperatures can be recorded (transient calculations).  Charts can be printed and exported in different formats (text, Excel, HTML, XML, Metafile, bitmap).
  • Any structure consisting of adjacent or overlapping rectangles with any combination of materials may be simulated. Up to 50 million nodes may be used (requires a PC with 3 GB RAM).
  • Boundary conditions may be a given heat flow, or a temperature with a surface resistance. Temperatures may vary in time (sinusoidal, stepwise constant, stepwise linear). Several formats with climatic data such as TRNSYS, DOE, METEONORM, HELIOS, TMY2, SUNCODE, MATCH, and EXCEL can be imported for dynamic calculations
  • Available modifications: heat sources/sinks, internal boundaries of prescribed temperature.
  • The Report Generator produces on-the-fly a printable document with optional text and figures with project info, and input/output data.
  • Automatic calculation of thermal coupling coefficients(L3D) according to EN ISO 10211 for a wide variety of problems involving thermal bridges.
  • Material properties may easily be edited and added. Several material list are available. The default listDefault.mtl contains about 200 common building materials. The list General.mtl has over 1200 defined materials. Another file with over 200 materials (in German) from the German standard DIN (Deutsches Institut für Normung, DIN V 4108-4) is also available.

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Graphical examples

A few examples of applications

Surface temperatures for a corner with wall/floor connection.


HEAT3: Integrated circuit with solder balls, 30 million nodes.


Steel beam through corner: materials (top left), boundary conditions (top right), temperatures in steel partly exposed (bottom left),  heat flows in steel partly exposed (bottom right).


Temperaturefield along a steel bean inside a wall/roof-connection (all other wall materials are made invisable here)


HEAT3 user interface.


HEAT3 on the cover of issue 6, 2001, of Bauphysik.


HEAT3 on the cover of issue 6, 2001, of Bauphysik.

Version update info

Current version of HEAT3 is 8.02

Use the update function (menu item Info/Check for updates) to see if there are any updates. This will show the download link to the setup program. Note that you can also use the (same) download link you got in the order email since it always will contain the most recent version.

Version 8.02
May 9, 2017

  • Clicking on object-inspector for a heat source showed a too small window that needed to be resized in order to show data.

Version 8.01b
April 27, 2017

Version 8.01
March 23, 2017

  • The complete geometry can now efficiently be described by text. It is also possible to vice versa convert already drawn geometry in the pre-processor to a script.

Old versions:

Version 7.11 update
August 30, 2016

  • Compatibility with Windows 10 Anniversary added.

Version 7.1 update
March 9, 2016

  • Bug fix for material editor that “froze” on certain systems.
  • Some minor fine tuning.

Version 7.0
June 15, 2015:

  • Parallel computation.HEAT3 now solves larger problems much faster using multiple cores (CPU:s) for both steady-state and transient cases. For large problems there may be up to 4-5 times of speed increase. E.g. a problem that took 1h to solve with version 6 (single core) may take about 15 min to be solved using version 7 (multi core) on a PC with 4 cores.

Version 6.1 update
April 8, 2015:

  • Better adaption to Windows Vista, Windows 7 and Windows 8
  • Several instances of HEAT3 can now be started and active at the same time. This will allow you to work (input and solve) multiple cases at the same time. Solving e.g. 3-4 cases parallel on a CPU with four cores, or 5-6 cases on a CPU with 6 cores should be very efficient.
  • The number of colors (materials) and legends shown in the post-processor was limited to 15 in old versions. This is now increased to 30.
  • New improved license management system.Your “old” license key for HEAT3 v6.0-v6.03 needs to be converted to a new product key for v6.1.    This can be made here: Generate new product key.

To upgrade your old license of HEAT3 v6.0-v6.03 to v6.1 please use the update function in HEAT3 (menu item ”Info/Check for updates”).

Version 6.03 update
March 22, 2012:

  • Save path for input files (*.h3p), temperature files (*.ijk), and recorder files (*.rec) was not saved to the recent folder. This is now fixed.
  • The heat transfer resistance for a boundary condition with a temperature function was not saved in the h3p-file. This is now fixed.

Version 6.02 update
Aug 1, 2011:

  • Improved input on the length panel at the bottom of the pre-processor.

Version 6.01 update
June 28, 2011:

  • Datafiles (*.h3p) where always saved to location “…DocumentsBloconHEAT3 6”, even
    though another folder (e.g. the Projects folder) where chosen. This is now fixed.

Old versions:

Update for version 5.0 to version 5.1

Note: This update will only work if you already have a working license of HEAT3 5.0.

If you have a school license or company site license and have not received this update please contact us. The version below will not work for school and site licenses.

  1. Download this zip file:HEAT3_51.zip.
    2. Extract ”HEAT3_51.exe” and place it in the same folder as ”HEAT3_Full.exe” .Version 5.1 update

    2009-04-02:
  • Fixed error message ”HEAT3 is registered but ActiveX does not exists”. This alert came in some cases for a user without admin rights running HEAT3 under Vista and XP.
  • Max number of BC boxes increased from 12 to 30
  • Recorder: fixed label “Q, point (x,Y) [W/m?]” => “Q, point (x,Y) [W/m2]”.
  • System info: “Available virtual memory” was negative if RAM size was above 2 GB.
  • Options for steady-state: option for optimization of over-relaxation is now saved to file.
  • Function steps editor: “Paste from clipboard” added to menu.
EN ISO validation

EN ISO 10211:2007

HEAT2 is validated to conform both two-dimensional cases of ISO 10211:2007, Annex A.

HEAT3 is validated to conform all 4 cases of ISO 10211:2007, Annex A, for three-dimensional calculation programs.

See this PDF-file for results:
www.buildingphysics.com/download/iso/ISO_10211_HEAT2_HEAT3.pdf               (1,2 MB PDF)

The HEAT2 data files may be downloaded here :
www.buildingphysics.com/download/iso/HEAT2_7_files_iso10211.zip                    (5 kB zip-file)

The HEAT3 data files may be downloaded here :
www.buildingphysics.com/download/iso/HEAT3_5_files_iso10211.zip                    (12 kB zip-file)

EN ISO 10077-2

HEAT2 is validated to conform all 10 cases of ISO 10077-2. See this PDF-file for results:

www.buildingphysics.com/download/iso/ISO_10077_HEAT2.pdf                             (1,8 MB PDF)

The HEAT2 data files may be downloaded here :
www.buildingphysics.com/download/iso/HEAT2_7_files_iso10077.zip                    (50 kB zip-file)

Training

On-line course:
https://www.passivehousetraining.ca/p/heat3-modelling

USA/Canada/United Kingdom:Training is offered by www.peelpassivehouse.ca

France:Training in French. Formation en français par www.psithermique.com

Russia and other CIS-countries: see www.buildingphysics.ru

Denmark: See Danvak.dk

References universities

List of 100+ universities and research institutes in 25 countries that uses HEAT2/HEAT3

Argentina
Ciudad Universitaria, Buenos Aires

Australia
CSIRO

Austria
Dept. Building Physics, Univ. of  Technology Vienna, Vienna Technische Universität Graz, Inst. für Hoch- und Industriebau, Graz Spektrum – Zentrum für Umwelttechnik und Management, Goetzis Energie Tirol, Lienz Bautechnisches Institut GmbH, Linz ETH Zürich, Building Tech., Building Physics, Zürich

Belgium

SCK-CEN, Waste and Disposal, Mol

Canada
University of Waterloo, Waterloo National Research Council, Ottawa
RJC Engineers rjc.ca

Denmark
Department of Civil Engineering (BYG.DTU), Technical University of Denmark
Statens Byggeforskningsinstitut, SBI DTI Byggeri/Komponentcentret, Århus DTI Byggeri
University College of Aarhus
Teknologisk Institut
Aalborg University

England
National Physical Laboratory (NPL), Middlesex
Staffordshire University, School of Computing, Staffordshire
Oxford Brookes University, School of Architecture, Headington

Lithuania
Kaunas University

Finland
Oulu Polytechnic/Technical Institute
VTT Building Technology, Oulo Helsinki University of Technology (HUT), Helsinki
VTT Building and Transport, Espoo
University of Applied Sciences of Vaasa

France
Centre Scientifique et Technique du Bâtiment (CSTB), Grenoble
Centre Scientifique et Technique du Bâtiment, Saint-Martin-d’Hères
Institut National des Sciences Appliquées de Lyon (INSA), Villeurbanne
Universite de Savoie, ESIGEC, Le Bourget du Lac

Germany
Fraunhofer Institut Bauphysik, Stuttgart
Institut für Solarenergieforschung (ISFH), Emmerthal
Technische Universität Darmstadt, Inst. für MassivBau
Bayerisches Zentrum für Angewandte Energieforschung (ZAE) Bayern, Division Thermal Insulation and Heat Transfer, Würzburg
Passivhaus Institut, Darmstadt
Richard Grün Institut, Ratingen
Bauhaus-Universität Weimar, Weimar
Zentrum für Sonnenenergie- und Wasserstoff-Forschung (ZSW), Stuttgart
Institut für Gebäudeanalyse und Sanierungsplanung, Schliersee
Bauernhausmuseum, Amerang
Fachbereich Physik, Siegen
IZF, Essen
Universität Hannover, Institut für Bautechnik und Entwerfen, Hannover
ZAE-Bayern, München
Fachhochschule Stuttgart, Hochschule für Technik, Stuttgart
Institute for X-Ray Physics (IRP), University Georgia Augusta, Goettingen
Universität Kaiserslautern, Fachgebiet Bauphysik
Universität Leipzig, Institut für Massivbau
Bavarian Centre of Applied Energy Research, Würzburg
Forschungsinst. für Wärmeschutz, Gräfelfin
Hochschule für Bauwesen und Wirtschaft, FH Biberach
Baukonstruktionen und Bauphysik, Universität Rostock, Wismar
Institut für Trocken- und Leichtbau (ITL), TU Darmstadt
University of Applied Sciences, Darmstadt
Institut für Straßenwesen und Eisenbahn, Ruhr-Universität Bochum
Baugrundinstitut, Leutkirch-Herbrazhof
Landeshauptstadt Stuttgart, Stuttgart
Hochschule für Technik, Wirtschaft und Kultur, Leipzig
SLG Prüf- und Zertifizierungs GmbH, Hartmannsdorf
Institut für Bauphysik, Baustoffe und Konstruktion, Bochum
Fachhochschule Bochum, Angewandte Umwelttechnik, Bochum

Hungary

Budapest Univ. Faculty of Arch. Eng., Budapest

Italy

University of Rome, Faculty of Architecture, Rome
Istituto di Edilizia, Ancona
Istituto di Fisica Technica, Padova,
University of Venice, Faculty of Architecture, Venice

Japan

University of Tokyo, Faculty of Engineering, Tokyo
Morioka Junior College, Iwate Prefectural Univ, Takizawa
TongMyong University of Information Technology, Busan

Korea
Construction Materials Research Team (RIST), Hwasung, Kyungkido
Dept. of Architecture SungKyunKwan University, Suwon-city
Architectural Engineering, Daejeon University, Youngun-dong, Dong-gu

Kuwait
Kuwait Institute for Scientific Research, Safat

Norway
Norges Byggforskningsinstitutt, Oslo
Norges Byggforskningsinstitutt, Trondheim
The Foundation of Scientific and Industrial Research at the Norwegian Institute of Technology, NTH, (SINTEF), Trondheim
Agder University College, Grimstad
Dept. of Building and Construction Eng., University Trondheim
Østfold University College
Norges teknisk-naturvitenskapelige universitet, ntnu.no

New Zealand
Building Research Association (BRANZ), Porirua

Poland
Building Research Institute, Warsaw

Portugal
Universidade Nova de Lisboa, Quinta da Torre
Laboratório Nacional de Engenharia Civil, (LNEC), Lisboa

Spain
Instituto de Ingeniería Energética, Universidad Politécnica de Valencia
Universitat Politècnica de Catalunya, Sant Cugat del Valle

Switzerland

Institut für Hochbautechnik, Zürich
Ecole d’ingénieurs de Genève, EIG, Geneve
C.U.E.P.E, Université de Geneve
Laboratory of Energy, Ecology and Economy of the Scuola Universitaria, Professionale della Svizzera (LEEE-SUPSI)
Estia SA, PSE-EPFL, Lausanne

Sweden
Uppsala Universitet, Ingenjörsutbildningen, Uppsala
Tillämpad fysik och elektronik, Umeå Universitet
Lund University (LTH), Lund
Chalmers University of Technology, Göteborg
Malmö Högskola
Royal Institute of Technology (KTH), Haninge
Swedish National Testing and Research Institute (SP), Borås
Building Technology, University College of Borås
Energy and Building Design, Lund Univ
Högskolan i Halmstad

Turkey
Tübitak, ITU, Mimarlik Fakultesi, Ankara

USA
Building Technology Program, M.I.T., Cambridge
Department of Chemistry, Drexel University, Philadelphia
Fraunhofer Resource Center, Michigan
Lawrence Berkeley National Laboratory, Building Tech. Dept., Berkeley
National Water Quality Assessment, U.S. Geological Survey, Urbana
Oak Ridge National Laboratory, ORNL, Oak Ridge
Dept. of Civil and Architectural Engineering, Illinois Institute of Technology
Northeastern University, Boston

References companies

List of 250+ companies that uses HEAT2/HEAT3

Sweden
NCC Construction Sverige AB
Optiroc AB
Skanska Teknik AB
Tyréns AB
AK-konsult Indoor Air AB
WSP Environmental
Agera VVS-Design AB
Konstruera AB
NCC Komponent AB
Scandiaconsult Sverige AB
Sundolitt ab
Wikström VVS-Kontroll AB
Ståhlkloo Ingenjörsbyrå Borlänge AB
Creanova AB
Ramböll Sverige AB
Andersson & Hultmark AB
SWECO THEORELLS AB
TAC Svenska AB
NILA VVS Konsulter AB
Karlson HusIndustrier AB
Cardo Door AB
AB Strängbetong
Uponor Wirsbo AB
Controlengineering Sweden AB
Garpco Energi Komfort AB
Bjerking AB
Ronny Olsson Ingenjörsbyrå AB
BEC Berga Energy Consulting
Thermia Värme AB
Energisk i Norrköping AB
ÅF-Infrastruktur AB
Byggteknik i Skåne AB
ELU Konsult AB
prime project AB
Byggteknik Olle Åberg AB
Kadesjös Ingenjörsbyrå AB
Vcon VVS-konsult AB
KonstruerA AB
JM AB
Öhmarks Kontruktion AB
INVID Västerås AB
SP Sveriges Tekniska Forskningsinstitut
LAFOR EnergiEntreprenader AB
SV-Konsult AB
Incoord Installationscoordinator AB
IVT Industrier AB
Ramkvist VSB-Konsult AB
ICEE
Geo Heat Ex
byggbolaget-lk.se
elementumeco.se
WSPGROUP.SE
skandglas.se
clarusarkitekter.se
Chalmers Industriteknik
trelleborg.com
konkretstockholm.se
dry-it.se
kumlin.biz
lksystems.se
bengtdahlgren.se
RISE Research Institutes of Sweden AB

Finland
Mikko Vahanen Oy
D.O.F. tech Oy
Lohja Rudus Oy
Kaprakan Sisäilmakeskus
Insinööritoimisto Conditio Oy
Teräselementti Oy
Geologiska Forskningscentralen
Uponor Oyj
Geological Survey of Finland

Denmark
Birch & Krogboe A/S
LEIF HANSEN A/S
Herik Larsen Rådgivende Ingeniorfirma F.R.I
Multiconsult AS
A.L. Hoyer A.S.
Gronbech Construction
Sören JENSEN CONSULTING ENG
COWI
Korsbaek & Partnere
Passivhus.dk
Midtconsult a/s
TRI-CONSULT A/S
Tegnestuen LRH
Skude & Jacobsen A/S
Niras
Dalton Entreprise A/S
EKJ rådgivende ingeniorer as
EXPAN A/S
ABK AS
Esbensen Raadgivende Ingenioerer
Muovitech International AB
ISOBYG
Asplan Viak AS
Norges geotekniske institutt (NGI)
BA8 Rådgivende Ingeniorer AS
Tækker Rådgivende Ingeniorer
Moe & Broedsgaard A/S
Grontmij
Sweco
Strunge
Hjellnes Consult as
lemming-eriksson.dk
Søren Jensen Rådgivende Ingeniørfirma A/S
ncc.dk
ramboll.dk
Wissenberg.dk
wessberg.dk
Goritas
byggeteknik.com
Niras
alectia.com
danakon.dk
erikpedersen.dk
seas-nve.dk
ojas.dk
ARNE ELKJÆR A/S
sloth-moller.dk
Harrestrup Holding IVS
ronslev.dk
dem-esb.dk
midtconsult.dk
Oluf Jorgensen A/S Roskilde

Norway
Ramböll
proconri.no
procon-stavanger.no
hoyerfinseth.no
obos.no
byggetek.no
norconsult.com
Skanska Norge AS

Various countries

Möhler + Partner Ingenieure AG
KREBS UND KIEFER
kernplus.at
Dr. Hauser GmbH
dieBauingenieure.com
Simpson Gumpertz & Heger (sgh.com)
Knauf (knaufinsulation.com)
aerogel.com
EDF – Électricité de France
burian.com
inoveks.si
knauf-usg-systems.com
kalzip.com
simuPLAN
Iproplan
batiment setec
CARLETON.CA
PSITHERMIQUE
ecohomes.ie
edsl.net
Secos
ATH
bauphysik-schmitz.de
adret.net
INNOBAT
deltabp.co.uk
kalzip.com Singapore
lghausys.com
writelines.biz
pfeifer-tragwerk.de
efectis.com
cardiffmet.ac.uk
hsoentalpia.com
willemsvgo.nl
EMI.HU
loud1design.co.uk
rooftechconsultants.com
habitat-du-littoral
HIBEC Ltd
CISNEROS
JVH Energy Consult
geonomia.fr
ibler.at
jung-ingenieure.at
RJ Bartlett Engineering Ltd.
nnepharmaplan.com
merlinpropertyservices.com
consultfes.co.uk
neu.edu
entuitive.com
rauschweb.de
Werner Sobek New York
walterpmoore.com
Steven Winter Associates
verkis.is
HOARE LEA
greenplan.co.za
d-invest.org
insa-strasbourg.fr
mechtool.co.uk
Synergypartners.ca
rdh.com
sigplc.com
hillstatik.se
cel.ca
bauphysik.cc
englink.ca
abt.eu
alslev.dk
kingspan.com
darren-evans.co.uk
sigma-im.ch
uvic.ca
tn.ru
ashandlacy.com
hardelarsen.dk
Umanitoba.ca
jjw.dk
Néolia Ingénierie
constructa.dk
bebioconstruction.fr
bunchbyg.dk
sintef.no
tengbom.se
brixkamp.dk
kekelit.com
ivl.se
Termoenergi Norge AS
AWARD ENERGY CONSULTANTS LTD
ALBACALCS.CO.UK
LEWANDO, AESSOUTHERN
DARREN EVANS ASSESSMENT LTD
THERM ENERGY LTD
STROMA Technology
MARVIN KEEBLE, MLM.UK.COM
LK PARTNERSHIP
c4ci
ENERGYFLO
CARBON PLAN
LEE ARGYLE, SOUTHDALE
SCHOECK
PLASMOR
STEPHEN HULL
InOpera Facades
HIBEC Ltd
ibcpm.co.uk
MELINENERGY
Lovell Partnerships Ltd
MES Energy
Eurocell Plc
hrsservices.co.uk
Focus Consultants
GALLIFORD TRY PARTNERSHIPS
METSEC
Derrywood
mopa.de
usace.army.mil
saint-gobain.com
Passive House Institute Ltd

Download free demo version

Download light version of HEAT3 8

Please fill in the following form. A password is required to install the program. The download link and password will be sent immediately to your email

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