

Setting Households in five communities in New Zealand. Objective To assess whether non-polluting, more effective home heating (heat pump, wood pellet burner, flued gas) has a positive effect on the health of children with asthma. Correspondence to: P Howden-Chapman .nz.8School of Population Health, University of Auckland.7Research Centre for Māori Health and Development, Massey University, Wellington.6Wellington Asthma Research Group, University of Otago.

5Energy Studies, Physics Department, University of Otago, Dunedin, New Zealand.4School of Geography, Environment and Earth Sciences, Victoria University, Wellington.3School of Engineering and Advanced Technology, Massey University, Palmerston North, New Zealand.1He Kainga Oranga/Housing and Health Research Programme, University of Otago, Wellington, PO 7343, Wellington South, New Zealand.Julian Crane, professor and codirector 1.Chris Bullen, associate director of clinical trials unit 8,.Alistair Woodward, professor and head 8,.Michael Baker, associate professor and codirector 1,.Kristin Wickens, senior research fellow 6,.Bob Lloyd, associate professor and director 5,.Ralph Chapman, associate professor and director of environmental studies 4,.Pär Fjällström, postdoctoral student 3,.Malcolm Cunningham, principal physicist 2,.Julie Gillespie-Bennett, PhD student 1,.Philippa Howden-Chapman, professor and director 1,.
