Thursday's letters: Net-zero doesn't have to be expensive

Re. “Dream homes coming true for immigrant families,” Jan. 9
I find it very encouraging to read your article about this project, especially the estimate that going net-zero cost five to 10 per cent more than a traditional build for the $5.6-million project. Well done. 
Why can’t all new buildings be this efficient? We always hear that better building is too expensive; five to 10 per cent more for net zero would suggest otherwise. That’s well below the typical rise in