Single Floor Modelhttps://communities.bentley.com/products/building/performance/f/hevacomp-forum/157162/single-floor-modelHello, I am modelling the heat gains for the first floor of a building but the ground floor is out of scope. is there a way to set a fixed tempearature for a third party floor below mine? Kind Regards,en-USTelligent Community 12RE: Single Floor Modelhttps://communities.bentley.com/thread/468208?ContentTypeID=1Thu, 28 Jun 2018 09:49:41 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:530f8095-687f-4e63-ad9c-a6454891378eShane Regan<p>Hi Grant,</p> <p>Yes, you can specify the temperature of the adjacent rooms below by using <em>Rooms &gt; Change Surface</em>, and selecting the floor of your room:</p> <p><img alt=" " src="/resized-image/__size/640x480/__key/communityserver-discussions-components-files/275871/surf.png" /></p><div style="clear:both;"></div>