which version of ImmoTool are you using? - The 1.0-beta versions are currently not available in english language - we're working on this.
But an english PHP export is available in the current stable 0.9 version. If you're using the latest 0.9 version. please make sure, that you've enabled english language in the program settings (main menu » extras » settings).
Mit freundlichem Gruß / Yours sincerely