Historic Durham homes stay cool with discreet ductless heads, concealed line-sets

https://simonkwgf286.theburnward.com/why-replacing-heating-oil-with-ductless-systems-saves-big-in-middlefield

Historic Durham homes stay cool with discreet ductless heads, concealed line-sets, and attic or basement routes—preserving trim and plaster while meeting preservation board standards and improving comfort.