Why insulation is such a hot topic

A heated debate about insulation standards lately has had both health and construction experts up in arms. It's only part, however, of a wider debate about how we approach climate change and how we make decisions about our homes. NZ Green Building Council CEO Andrew Eagles joins Bernard Hickey to pull back the GIB board and take a look at how to build, and heat, cheaper homes over the longer run. Learn more about your ad choices. Visit megaphone.fm/adchoices