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Hydronic air to water heat pump that makes 140F !?!?
There are some companies making "air to water" hydronic units that claim to make 140F water. Is this sort of like a car maker telling you car performance while red-lining the engine?
I would love to hear about contractor experience with air to water heat pumps and the "supply water design temperature" folks are using when designing systems with these units.
Any tips and unexpected things learned on hydronic air to water installations, would be highly appreciated.