> An A/C is a heat pump. Stop trying to change existing terminology

I am not trying to change existing terminology, I am using existing terminology. Air conditioners (A/C) are devices sold to only cool a house:

* https://www.lennox.com/products/heating-cooling/air-conditio...

* https://www.carrier.com/residential/en/us/products/air-condi...

* https://www.trane.com/residential/en/products/air-conditione...

Heat pumps are devices sold to both cool and heat a house:

* https://www.lennox.com/products/heating-cooling/heat-pumps

* https://www.carrier.com/residential/en/us/products/heat-pump...

* https://www.trane.com/residential/en/products/heat-pumps/

* https://www.ehpa.org/about-heat-pumps/

See also US Department of Energy:

* https://www.energy.gov/energysaver/heat-pump-systems

And most definitively of all, Alec of Technology Connections:

* https://www.youtube.com/watch?v=7J52mDjZzto