This has always made me super grouchy— I even have my house plumbed for hydronics! I wish I could tie the AC units into that, put all the rads in bypass during

This has always made me super grouchy— I even have my house plumbed for hydronics! I wish I could tie the AC units into that, put all the rads in bypass during the summer, and use the hydronic water to preheat shower water before it hits the gas-powered on demand system.