Skip to content


LTi-AST is the sole UK distributor for the following leading worldwide manufacturers of HVAC systems and equipment:

CALMAC is the world leader in the product design and manufacture of ice thermal energy storage. Calmac
Kiefer are a specialist engineering company that manufacture high quality chilled beams, air distribution systems and air-based concrete core cooling systems. Kiefer
Tecnair LV are specialist suppliers of low energy close control (CRAC) units for data centre cooling.
Zent Frenger are specialist manufacturers of geothermal energy equipment and water-based concrete core cooling and chilled ceiling systems. Zent Frenger