What it does
Services modelling is a lot of small, fiddly moves that Revit makes harder than they should be. These tools do them properly: each pick is its own transaction, so a riser can be worked down one turn at a time and a single failure leaves the rest alone.
Set Parallel aligns a run to a wall or another service and offsets it. Add Step inserts a rolling offset around a clash. 2x45° replaces a 90° bend with two 45s. Delete Segment heals the gap. System Insulation insulates a whole system to NCC bands, and Systemiser assigns system types in bulk.
Highlights
- Pick a wall face or another run as the reference — no reference-type toggle to get wrong.
- Offset measured to the centreline or the face, so dimensions mean what you intend.
- Step around a clash by picking the obstruction, with real clearance between radii.
- Match the height of another service — centre, top or inverted.
- Split a 90° into two 45s with an exact gap, read from the fitting's own radius.
- Delete a segment and have the neighbours reconnect automatically.
- Insulate a whole system by NCC temperature band, from one selected element.
- Place toilet exhaust grilles in rooms, snapped to the ceiling grid, tagged and with airflow calculated.
- Assign system types to selected pipes or ducts in bulk.
Before you start
- Most of these repeat until you press Esc — the dialog stays open while you keep picking.
- Lengths are typed in millimetres and angles in degrees, whatever your display units.
- Add Step and Systemiser work on pipe and duct; cable tray and conduit have no system to assign.
Quick start
- Open the tool from the MEP Tools panel.
- Set the distances, ratios or types in the dialog.
- Pick in the model — and keep picking. Esc ends the run.
Tips
Because each pick commits on its own, you can work down a riser and stop whenever you like without losing what you've already done.
Need more detail?
The complete MEP Tools guide — every option, the results, and troubleshooting — is built into AECOtools. Open the tool and click the ? button in its window.
- Stuck? In Revit, use AECOtools ▸ Support ▸ Report Issue to send us the details.
- Not using AECOtools yet? Start a 30-day free trial.
- Questions: get in touch.