Issue 6/2014 of TD Installations magazine presents the specifics and advantages of the building installations in the newly-opened shopping complex Sofia Ring Mall, that in addition to innovative architecture, features highly efficient technical solutions. In the current issue we publish a sequel of the review “Industrial building installations” which we started in issue 5 of the edition. The article “VRF systems control” presents strategies for managing VRF solutions and opportunities for their integration in building automation systems. In the rubric for HVAC equipment the focus is put on surface heating and cooling systems, their benefits and applications. Section “Lighting” is dedicated to the novelties in the energy-saving street lighting solutions. “Measuring voltages” is the article under “Electric installations”. Other interesting topics in the issue are: Smoke protection in buildings, Polyethylene pipes, Energy efficiency of district heating substations, etc.