Design Master Wish List

The current releases are DM Electrical RT 1.3, DM Electrical 8.5, DM HVAC 7.3, and DM Plumbing 4.1. We are not adding new features to these releases.

The next releases will be DM Electrical RT 1.4, DM Electrical 8.6, DM HVAC 7.4, and DM Plumbing 4.2 We are actively working on these release and using this wishlist to guide which features we implement. Some features you see marked as “complete” will not be available until these releases are finished.

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  1. Set Room Exhaust Rate

    Specify the exhaust air requirements for rooms and use these numbers in the load calculations and duct design calculations.

    52 votes
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    medium effort to implement  ·  1 comment  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  2. Diffuser Insertion at Corner (for Ceiling Grids)

    Have the option to insert diffusers at the corner of the diffuser, not the center. This change would assist in placing diffusers properly in ceiling grids.

    50 votes
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    medium effort to implement  ·  2 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  3. Color code room outlines by wall type.

    So for example when modifying walls during a load calc. Exterior walls might be red, partitions blue, and interior walls (no heat transfer) green. This could even be expanded to visually shows with color walls that have windows or doors.

    There have been many times when I've had to back check walls that were inadvertently called out as partitions instead of exterior. Color coding would give an instant visual clue where mistakes might have been made.

    26 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  4. Transfer Grilles for Air Balance Report

    Add a transfer grille option for return air so that you can use the balance report function on projects which use transfer grilles.

    22 votes
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    medium effort to implement  ·  1 comment  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  5. Allow diffuser tags to be moved and modified with standard AutoCAD editing commands.

    It would be helpful to not have to use the "special" DM commands to manipulate the diffuser tags.

    21 votes
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    medium effort to implement  ·  2 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  6. Edit multiple rooms

    Add a command to allow you to edit the settings on multiple rooms at a time.

    21 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  7. 11 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  8. Duct Size Preview

    I would like to be able to have the duct size update on the plans (like a preview) without closing the dialog box.

    9 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  9. please show velocity and PD/100ft

    by showing velocity and PD/100ft on a check layer, engineers could check work and easily scan and review a job for errors.

    8 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  10. Modify design load calculations and output to accommodate VAV system selection

    Modify design load calculations to more accurately size/select VAV boxes. The revised calculations would take into account the heat required to overcome the additional air supplied to the VAV box that is over and above the minimum required in the heating calculations. This will help since the additional air is typically at 55 degrees and will actually add heat load to the space in addition to that required by the envelope and minimum supply air. In some cases this can be a significant load.

    6 votes
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    medium effort to implement  ·  1 comment  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  11. Duct Continuation

    There may already be an option (please inform me as I am not aware) for a 'duct continuation symbol/fitting'. Currently I have to go back and Pline a goofy looking thing to indicate continuations in the ductwork. Any thoughts?

    6 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  12. System capacity for mechanical equipment

    It would be great if when entering the equipment you could enter system capacity; then when running the load calc, similarly to what DM offers for CFM, you could have Current BTUs and Required BTUs. This could be per zone.

    6 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  13. Provide Weight or Area of Ducts in Takeoffs

    Weight of ducts in HVAC Takeoffs provide a very simple way to estimate cost of projects.

    Or, add an option to calculate square feet of sheet metal ductwork.

    4 votes
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    medium effort to implement  ·  1 comment  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  14. Equipment Schedules

    Allow for equipment schedules to be created by use, such as chiller, air handlers, pumps, etc. The schedule would be populated with equipment that is drawn by DM equipment command

    4 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  15. Dialog Boxes to View and Edit Load Calculation Settings for Entire Building at Once

    Currently to view the ventilation and load schedules the report is run and appears in an html file. If for instance the outside air % is too high I then have to exit the report go back into the rooms with the high percentage and manually overventilate.

    It would be great if there was a screen that combined all of the room information, areas, CFMs, etc. (similar to the load report) but this screen allowed you to manually modify the CFMs, system static pressure, outside air percentage, etc. and by doing this all of the room information is updated at…

    3 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  16. Use correct fittings

    The pressure drop calcs indicate the wrong fitting types in some cases. For example, a fitting that begins with "SD" stands for "Supply/Diameter" and "SR" stands for "Supply/Rectangular", etc. If you have a duct system that is all rectangular, there should not be any SD fittings indicated. Likewise for round systems, there should not be any SR fittings indicated.

    3 votes
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    medium effort to implement  ·  1 comment  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  17. Remember Zone Tree Settings

    Remember which zones are opened and closed in the zone tree dialog box when you open and close it.

    3 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  18. Equipment Database

    Allow us to create an Equipment Database similar to the diffuser database which would include dimensions, and notes such as: electrical requirements, efficiency, performance data at design conditions, etc. The equipment should also be included in the takeoff report.

    3 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  19. Variable Pressure Drop for Diffusers

    Using the maximum scheduled pressure drop for every scenario over inflates the pressure calcs. This is very important for low-pressure systems with low static terminal units such as ducted VRF and Fan Coil Units that max out at .25". Using the maximum scheduled pressure drop of say, .1" for air devices make it difficult to design low static systems accurately.

    3 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  20. HVAC Load Calc Graphics for Windows/Glass

    Provide a graphic for windows/glass located on walls so you can see easily and quickly figure out which windows have been entered into the load calculation.

    Additional idea: Make it a dynamic block so that when you change the width (using a grip) you can stretch the window to change the actual width. The width x height would display above this graphic.

    3 votes
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    0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
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