Susan Bruce is pregnant with her third child, a little girl already named Tia-Rose.
She was also taken to Waikato Hospital with injuries but is expected to make a full recovery.
Susan Bruce's friend Jahna Neill today set up a Givealittle page in a bid to help the family.
"We are involved as we have known Susan since the age of 13," Neill wrote on the page.
"She is a caring, kind person who did not deserve this.
"These funds will be used to support Susan and her family at this time of need as her partner will need time off work as well as replacing all things needed."
Neill told the Herald that Susan Bruce had given permission for her friends to set the page up.
She said she wanted to do what she could to help the pregnant mum "get up and running again".
Police are still investigating the cause of the fire on the farm at Rangitaiki.
If you want to help Susan Bruce and her family, visit the Givealittle page here