Machine manufacturers claim it is a much more environmentally friendly method of disposal than burial or cremation, and is significantly cheaper to run than a cremator. It is used in Canada and the United States.
Gillions Funeral Services managing director Keith Gillions said he was interested in the technology, but wanted to see if New Zealand legislation would allow it before investing in it.
A major hurdle was what happened to the liquid after the process was complete, he said.
A bigger hurdle was making people comfortable with the idea of effectively being poured down a drain.
He said about 80 per cent of people in Dunedin were cremated, but it had taken a long time for it to become accepted.
Spokesmen for Hope and Sons, in Dunedin, and Campbell and Sons Funeral Services, in Mosgiel, said they had no interest in the technology.