He made several excellent videos explaining residential heat pumps: [2021-02-28] https://www.youtube.com/watch?v=7J52mDjZzto https://www.youtube.com/watch?v=7J

He made several excellent videos explaining residential heat pumps: [2021-02-28] https://www.youtube.com/watch?v=7J52mDjZzto https://www.youtube.com/watch?v=7J52mDjZzto "Heat Pumps: the Future of Home Heating" (35m14s) [2021-04-01] https://www.youtube.com/watch?v=7zrx-b2sLUs https://www.youtube.com/watch?v=7zrx-b2sLUs "Ground Source / Geothermal Heat Pumps and Other Info" (28m03s) [2022-03-26] https://www.youtube.com/watch?v=MFEHFsO-XSI https://www.youtube.com/watch?v=MFEHFsO-XSI "Why Heat Pumps are Immensely Important Right Now" (21m02s) [2022-04-13] https://www.youtube.com/watch?v=43XKfuptnik https://www.youtube.com/watch?v=43XKfuptnik "Heat Pumps are Not Hard: Here's what it will take to start pumping" (46m32s)