Heat & Cooling ductless minisplit system for old house with orig, radiator hydronic style heating

It is 2022, am hoping there are new products out. I have tight small wall space to fit the interior units in our old house. 9″ distance between wide window… It is 2022, am hoping there are new products out. I have tight small wall space to fit the interior units in our old house. 9″ distance between wide window…Read MoreGreenBuildingAdvisor