> Would it be fair to describe it as a utopian claim?
In the case of water heating (and water based space heating also) it's already here in terms of technology and availability. Heat pump storage water heaters are now widely available. The problem is that they can only be phased in as fast as existing gas water heaters reach EOL.
Domestic water heating comprises almost 18% of household energy use in the United States.
In the case of water heating (and water based space heating also) it's already here in terms of technology and availability. Heat pump storage water heaters are now widely available. The problem is that they can only be phased in as fast as existing gas water heaters reach EOL.
Domestic water heating comprises almost 18% of household energy use in the United States.