For over 30 years Black Diamond Technologies Limited have partnered with brands that ensure our ongoing commitment to superior quality products and service. In 2014, BDT established a new business division - BDT | HVAC. This division is dedicated to air and water side products, expanding BDT’s range of heating and cooling system solutions offered into the New Zealand HVAC Market. BDT is pleased to be the exclusive New Zealand distributor of Aermec Chillers & Air Handlers as well as Powerpax Chillers & Control systems from the Smardt Chiller Group.