What are the challenges of producing a net zero home, especially here in Canada?

These Challenges can be technical. The location of Canada contributed to this. The cold temperature of Canada e,g Edmonton with Winter temperatuture of -32 degrees,and Winter solstice of 7.5hours of daylight put barriers to  the activities of the  working group in the design of the net-zero house.

Besides demand for water heating for usage ,in the cold winter, space for working are additional factors affecting the design of these houses.

Furthermore, limited domestic electricity and days of intensive sunlight intensity are additional  barriers,

Explanation:

these are the choices

local priests

european monarchs

common people

bible translators

money is the anwser i think