A new version of Design Master HVAC 7.3 is available. You should upgrade at a time that is convenient for you. Try to avoid upgrading the same day you have a big project going out!
The latest version is listed at the top of the Change Log. To check what version you are currently running, go to DM HVAC->Help->About.
Download and run the installer.
It is necessary to also update to the latest version of Design Master Electrical and Design Master Plumbing if you use them.
Choose the installer that includes all of the programs you use:
Install it to the location to which you previously installed Design Master HVAC.
Do not check the box that says "Load menus in AutoCAD" because the menus are already installed from the previous version of Design Master HVAC.
If you have a local installation, it is necessary for AutoCAD to be closed during the update.
If you have a network installation, you can install the update while AutoCAD is open.
None of your existing customization will be overwritten during the installation process.
If you have previously had trouble with the standard installer, download and run the limited privileges installer instead:
Design Master HVAC, Electrical, & Plumbing Limited Privileges Installer
Changes in HVAC 7.3.53
Released March 25, 2025
Changes in HVAC 7.3.52
Released June 24, 2024
Changes in HVAC 7.3.51
Released April 22, 2024
Changes in HVAC 7.3.50
Released November 9, 2023
Changes in HVAC 7.3.49
Released September 12, 2023
Changes in HVAC 7.3.48
Released March 29, 2023
Changes in HVAC 7.3.47
Released February 17, 2023
Changes in HVAC 7.3.46
Released January 9, 2023
Changes in HVAC 7.3.45
Released November 30, 2022
Changes in HVAC 7.3.44
Released November 2, 2022
Changes in HVAC 7.3.43
Released October 24, 2022
Changes in HVAC 7.3.42
Released September 19, 2022
Changes in HVAC 7.3.41
Released March 29, 2022
Changes in HVAC 7.3.40
Released February 8, 2022
Changes in HVAC 7.3.39
Released September 7, 2021
Changes in HVAC 7.3.38
Released April 7, 2021
Changes in HVAC 7.3.37
Released March 23, 2021
Changes in HVAC 7.3.36
Released November 2, 2020
Changes in HVAC 7.3.35
Released September 9, 2020
Changes in HVAC 7.3.34
Released March 25, 2020
Changes in HVAC 7.3.33
Released January 28, 2020
Changes in HVAC 7.3.32
Released October 31, 2019
Changes in HVAC 7.3.31
Released September 26, 2019
Changes in HVAC 7.3.30
Released July 9, 2019
Changes in HVAC 7.3.29
Released April 22, 2019
Changes in HVAC 7.3.28
Released January 22, 2019
Changes in HVAC 7.3.27
Released January 8, 2019
Changes in HVAC 7.3.26
Released December 10, 2018
Changes in HVAC 7.3.25
Released October 22, 2018
Changes in HVAC 7.3.24
Released September 24, 2018
Changes in HVAC 7.3.23
Released March 22, 2018
Changes in HVAC 7.3.22
Released January 25, 2018
Changes in HVAC 7.3.21
Released September 19, 2017
Changes in HVAC 7.3.20
Released June 28, 2017
Changes in HVAC 7.3.19
Released May 15, 2017
Changes in HVAC 7.3.18
Released March 21, 2017
Changes in HVAC 7.3.17
Released February 21, 2017
Changes in HVAC 7.3.16
Released July 21, 2016
Changes in HVAC 7.3.15
Released March 21, 2016
Changes in HVAC 7.3.14
Released March 14, 2016
Changes in HVAC 7.3.13
Released June 24, 2015
Changes in HVAC 7.3.12
Released March 26, 2015
Changes in HVAC 7.3.11c
Released March 13, 2015
Changes in HVAC 7.3.11
Released March 12, 2015
Changes in HVAC 7.3.10
Released January 15, 2015
Changes in HVAC 7.3.9
Released November 12, 2014
Changes in HVAC 7.3.8
Released September 8, 2014
Changes in HVAC 7.3.7
Released July 24, 2014
Changes in HVAC 7.3.6
Released July 14, 2014
Changes in HVAC 7.3.5
Released July 10, 2014
Changes in HVAC 7.3.4
Released July 1, 2014
Changes in HVAC 7.3.3
Released June 11, 2014
Changes in HVAC 7.3.2
Released June 10, 2014
Changes in HVAC 7.3.1
Released May 15, 2014
Changes in HVAC 7.3
Released April 28, 2014
