Ducted AHSP to replace gas – Cold climate ASHP or not? And what size?

We live in Ottawa, Ontario (zone 6) and want to stop directly burning fossil fuels. That means replacing our townhome’s natural gas furnace and hot water heater with electric. Our… We live in Ottawa, Ontario (zone 6) and want to stop directly burning fossil fuels. That means replacing our townhome’s natural gas furnace and hot water heater with electric. Our…Read MoreGreenBuildingAdvisor