--- title: High-Density Units at Height description: Adjust the unit types per level or level range with the High-Density units at height functionality. --- [Skip to content](https://support.testfit.io/knowledge/high-density-units-at-height#main-content) [![](https://support.testfit.io/hs-fs/hubfs/primary%20wordmark.png?width=150&height=113&name=primary%20wordmark.png)](https://testfit.io/?hsLang=en) Open main navigation Close main navigation - - [Contact us](https://support.testfit.io/knowledge/kb-tickets/new) [Contact us](https://support.testfit.io/knowledge/kb-tickets/new?hsLang=en) Welcome to the TestFit Knowledge Base - There are no suggestions because the search field is empty. 1. [TestFit Knowledge Base](https://support.testfit.io/knowledge?hsLang=en) 2. [Site Development](https://support.testfit.io/knowledge/site-development?hsLang=en) 3. [Housing - High Density & Gurban](https://support.testfit.io/knowledge/site-development?hsLang=en#housing-high-density-gurban) February 12, 2025 # High-Density Units at Height ## Adjust the unit types per level or level range with the High-Density units at height functionality. ![KB-HD-Units by Level](https://support.testfit.io/hs-fs/hubfs/KB-HD-Units%20by%20Level.gif?width=688&height=297&name=KB-HD-Units%20by%20Level.gif) Apply a High-Density preset to a site or region. Select the Units layer in the Nav Tree. Then, select the ellipsis and duplicate the unit layer. ![](https://support.testfit.io/hs-fs/hubfs/image-png-Feb-12-2025-03-49-29-5316-PM.png?width=1261&height=609&name=image-png-Feb-12-2025-03-49-29-5316-PM.png) ![](https://support.testfit.io/hs-fs/hubfs/image-png-Feb-12-2025-03-49-47-6188-PM.png?width=341&height=152&name=image-png-Feb-12-2025-03-49-47-6188-PM.png) The original Unit layer will now be able to be defined by the starting level and levels tall. Adjust the Levels tall in the Property Panel. Then, adjust the unit mix and/or Unit Database for the specific Units layer. ![](https://support.testfit.io/hs-fs/hubfs/image-png-Feb-12-2025-03-50-06-2877-PM.png?width=1094&height=630&name=image-png-Feb-12-2025-03-50-06-2877-PM.png) The unit mix and unit database can be unique for each Units layer in the Nav Tree.   - [Getting Started](https://support.testfit.io/knowledge/getting-started?hsLang=en#main-content) - [Interface](https://support.testfit.io/knowledge/getting-started?hsLang=en#interface) - [Setting up a Deal](https://support.testfit.io/knowledge/getting-started?hsLang=en#setting-up-a-deal) - [Site Design & Configuration](https://support.testfit.io/knowledge/getting-started?hsLang=en#site-design-configuration) - [Fundamentals](https://support.testfit.io/knowledge/fundamentals?hsLang=en#main-content) - [Regions](https://support.testfit.io/knowledge/fundamentals?hsLang=en#regions) - [Key Functions](https://support.testfit.io/knowledge/fundamentals?hsLang=en#key-functions) - [Roads](https://support.testfit.io/knowledge/fundamentals?hsLang=en#roads) - [Site Development](https://support.testfit.io/knowledge/site-development?hsLang=en#main-content) - [Mass-Based](https://support.testfit.io/knowledge/site-development?hsLang=en#mass-based) - [Housing - High Density & Gurban](https://support.testfit.io/knowledge/site-development?hsLang=en#housing-high-density-gurban) - [Housing - Low Density & Subdivision](https://support.testfit.io/knowledge/site-development?hsLang=en#housing-low-density-subdivision) - [Housing - Garden](https://support.testfit.io/knowledge/site-development?hsLang=en#housing-garden) - [Industrial](https://support.testfit.io/knowledge/site-development?hsLang=en#industrial) - [Datacenters](https://support.testfit.io/knowledge/site-development?hsLang=en#datacenters) - [Generative Design](https://support.testfit.io/knowledge/site-development?hsLang=en#generative-design) - [Parking](https://support.testfit.io/knowledge/site-development?hsLang=en#parking) - [Retail](https://support.testfit.io/knowledge/site-development?hsLang=en#retail) - [Core-Based](https://support.testfit.io/knowledge/site-development?hsLang=en#core-based) - [Web App](https://support.testfit.io/knowledge/web-app?hsLang=en#main-content) - [Deal Pipeline & Asset Management](https://support.testfit.io/knowledge/web-app?hsLang=en#deal-pipeline-asset-management) - [Deal Actions & Edits](https://support.testfit.io/knowledge/web-app?hsLang=en#deal-actions-edits) - [Reports](https://support.testfit.io/knowledge/web-app?hsLang=en#reports) - [Quantities & Costs](https://support.testfit.io/knowledge/web-app?hsLang=en#quantities-costs) - [Pro Forma](https://support.testfit.io/knowledge/web-app?hsLang=en#pro-forma) - [MCP](https://support.testfit.io/knowledge/mcp?hsLang=en) - [Reports & Exporting](https://support.testfit.io/knowledge/reports-exporting?hsLang=en#main-content) - [PDF Exports](https://support.testfit.io/knowledge/reports-exporting?hsLang=en#pdf-exports) - [SketchUp Export](https://support.testfit.io/knowledge/reports-exporting?hsLang=en#sketchup-export) - [TestFit to Revit](https://support.testfit.io/knowledge/reports-exporting?hsLang=en#testfit-to-revit) - [Account Management](https://support.testfit.io/knowledge/account-management?hsLang=en#main-content) - [Administration](https://support.testfit.io/knowledge/account-management?hsLang=en#administration) - [Account](https://support.testfit.io/knowledge/account-management?hsLang=en#account) - [Latest Release](https://support.testfit.io/knowledge/latest-release?hsLang=en#main-content) - [2026](https://support.testfit.io/knowledge/latest-release?hsLang=en#2026) - [2025](https://support.testfit.io/knowledge/latest-release?hsLang=en#2025) - [2024](https://support.testfit.io/knowledge/latest-release?hsLang=en#2024) - [2023](https://support.testfit.io/knowledge/latest-release?hsLang=en#2023) - [2022](https://support.testfit.io/knowledge/latest-release?hsLang=en#2022) - [Beta](https://support.testfit.io/knowledge/latest-release?hsLang=en#beta) - [FAQ](https://support.testfit.io/knowledge/faq?hsLang=en) - [Troubleshooting](https://support.testfit.io/knowledge/troubleshooting?hsLang=en#main-content) - [Issues](https://support.testfit.io/knowledge/troubleshooting?hsLang=en#issues) - [Errors](https://support.testfit.io/knowledge/troubleshooting?hsLang=en#errors) [![Chill listening crop-3](https://support.testfit.io/hs-fs/hubfs/primary%20wordmark.png?width=124&height=40&name=primary%20wordmark.png "Chill listening crop-3")](http://testfit.io?hsLang=en) Copyright © 2025, TestFit