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. 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 →
  2. 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 →
  3. 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 →
  4. Provide Minumum air flow calculations

    If the minimum air flow is set in the calculation bases on a parameter such as air change rate, cfm/sq ft or a set cfm it would be nice to have that as a column in the calculation output.

    5 votes
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    low effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  5. Diffuser Airflow Patterns

    HVAC diffusers have air flow patterns much like light fixtures have photometric patterns.

    Air Diffuser manufacturers supply the pattern shapes and provide the distances in feet for airflow velocities at 150FPM, 100FPM and 50FPM for heating and cooling.

    Is there a way you can give the DM user the ability to insert their own airflow pattern (through a formatted file input) with contour lines similar to DM photo metrics?

    This would be DM's start into Computational Fluid Dynamics.

    4 votes
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    high effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  6. 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 →
  7. 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 →
  8. 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 →
  9. 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 →
  10. 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 →
  11. 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 →
  12. Label and Leader for Mechanical Equipment

    Add a label and leader for the callout to mechanical equipment.

    3 votes
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    low effort to implement  ·  2 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  13. 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 →
  14. Change default "max depth" setting for ductwork

    Add an option for the default "max depth" value that is used when you insert a new duct. Currently it always starts at 24 and you have to remember to change it if you want something different.

    3 votes
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    low effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  15. 'Capped Ductwork for Future Use' command

    This is similar to the 'end cap' command, but would draw a 'capped for future use' symbol on the end of a duct branch.

    3 votes
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    low effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  16. 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 →
  17. 3 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  18. Choose Fittings Used In Pressure Drop Calculations

    Add the ability to choose the specific fitting type used when calculating pressure drop in duct systems. Currently, the fitting type is fixed.

    3 votes
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    medium effort to implement  ·  1 comment  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  19. Actual Tonnage for HVAC Equipment

    Add an option to specify the actual tonnage for HVAC equipment in the zone dialog. Use this value to display actual CFM / ton and other values.

    2 votes
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    medium effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
  20. Add Static Regain that balances duct system correctly

    Current Static Regain calculation does not seem to calc and size ducts to balance system. The static regain should balance the system where the ducts split.

    2 votes
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    high effort to implement  ·  0 comments  ·  HVAC  ·  Flag idea as inappropriate…  ·  Admin →
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