Are any water heaters made in Canada?

Yes, there are water heaters made in Canada, with two main brands manufacturing in Canada for Canadian market. Giant water heaters are made in Canada by Giant Inc. in Montreal, Quebec, Canada, founded in 1960, manufacturing gas and electric tank water heaters in its Montreal factory, sold across Canada at Home Depot Canada, Rona, and plumbing wholesalers, costing $500 to $1200 CAD, known for Canadian-made quality, CSA certified, with parts readily available. John Wood water heaters are made in Canada in Fergus, Ontario, Canada, by John Wood, owned by A. O. Smith, manufacturing gas and electric water heaters in Fergus factory, sold across Canada, costing $500 to $1200 CAD, also Canadian-made. Both Giant and John Wood are Canadian-made and support Canadian jobs. Other brands like Rheem, A. O. Smith, and Bradford White are made primarily in USA, not Canada, though they sell in Canada with CSA certification. So yes, water heaters are made in Canada, Giant made in Montreal, Quebec, and John Wood made in Fergus, Ontario, are the main Canadian-made water heater brands, both excellent, Canadian-made, with good warranty and support in Canada, recommended for those wanting Canadian-made products.