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That's what I've seen. Heat pump water heaters cost about the same to run as gas units. And yes the advantage is they don't fundamentally use natural gas so the
by Gibbon1 5y ago
That's what I've seen. Heat pump water heaters cost about the same to run as gas units. And yes the advantage is they don't fundamentally use natural gas so they are 'green' as the grid they are tied to is.