More than 1500 Northland homes have had insulation and heating retrofitted since the government's Warmer Kiwi Homes programme was launched.
Insulation installers for the programme are taking on more staff after the Government boosted funding by $56m to insulate 9000 more homes throughout New Zealand.
Figures from the Ministry of Energy shows 1402 homes in Northland have had insulation retrofitted and a further 159 had heating retrofitted as at March 4.
More than 20,000 homes throughout the country have been upgraded.
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