Leading edge heating & cooling technology
PROUDLY LOCALLY OWNED AND OPERATED SINCE 1981
Founded in 1981 by Chairman Ron Woodrow, Black Diamond Technologies Limited (BDT) is a well-established industry leader in the New Zealand Heat Pump and Home Appliance markets.
BDT is a 100% NZ owned and operated company. Its head office has always been based in Lower Hutt, Wellington with regional sales offices in Christchurch and Auckland.

WIN A STAINLESS STEEL REFRIGERATOR VALUED AT $949.99
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About Us
Exclusive Distribution Partner of Mitsubishi Electric Products in New Zealand
BDT is the exclusive distributor of Mitsubishi Electric products in New Zealand. The enduring partnership with global giant Mitsubishi Electric has enabled BDT to provide New Zealand homes with leading edge technologies for over 39 years.
Leaders in Energy Efficient Heating, Cooling, Hot Water and Ventilation Solutions
The extensive range includes Air Conditioning, Heat Pumps, Ventilation, and Hot Water Heat Pumps for both residential and large scale commercial applications. Furthermore, BDT also distributes Mitsubishi Electric home appliances such as refrigerators, dehumidifiers and fans.
Our Commitment to Sustainability
BDT and Mitsubishi Electric share a passion for creating more sustainable buildings with HVAC – Heating, Ventilation, Cooling and Controls. In doing so, the aim is to help everyone address both energy use and carbon emissions, and as a result to work towards a more environmentally sustainable future overall.
This means, striving for the best and the most environmentally friendly use of energy in buildings by developing zero or low carbon technologies that consume the least amount of energy with minimal environmental impact.








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