The Government has brought forward funding for the subsidised home insulation scheme after initial demand outstripped expectations.
In the first four months of the scheme's operation, almost 20,000 homes have been refitted, well ahead of the target to refit 27,000 in the first year.
The Government has set aside $323 million to fund the scheme over the next four years, and has a target to insulate 180,000 homes.
Energy and Resources Minister Gerry Brownlee says money earmarked for future years has now been brought forward.
He says it's clear the public has embraced the scheme and the industry has shown it has more capacity to deliver the programme than expected.