RDM is a Southland based company specialising in central heating, solar warmth, ducted heat pumps, ventilation and insulation.

RDM is a company passionate about making a positive change in New Zealand homes and is recognised since 2011 as an essential, solution based industry leader which tackles moisture and heat related problems.  We Research, Design and Manufacture energy efficient products that are affordable to run. Built where possible in Dunedin and Invercargill for New Zealand’s environment.

The company was originally formed in Invercargill by James Quaid during the Research and Development of the Solar Air Panel. Karl Lawrence worked alongside James throughout the design and development phase, then moved to nationwide Marketing, New Build Planning and Customer Support.

The Trivium central heating solution is a natural progression of many evolutions of our technologies we have seamlessly brought together to minimise the traditional limitations of ducted heat pumps and ventilation systems and maximise  "free heat from the sun", "personalised cost effective heating and cooling" and "healthy fresh air and comfortable living" around your whole home.

“Our home energy products help the environment our people and provide cleaner air.”

Supporting New Zealand

James Quaid and Karl Lawrence (Directors, RDM) continue to support New Zealand businesses and many of the key components for the Trivium whole-home system are manufactured locally in Invercargill.

The Trivium Central Heating system combined with Solar Warmth Ventilation is only available from RDM. With systems shipped anywhere in the Country.

The Trivium solution is the result of many years of experience in home heating, insulation, solar panels and ventilation.

The Team

The head office is located in Invercargill, Southland, New Zealand.

There is a support centre in Dunedin, Otago, plus operations in Palmerston North and Wellington.

The Trivium team includes Heating and Ventilation Consultants, Professional Installers, Support Personnel, Marketing, Administration and IT Services.