To understand how radiant ceiling heating and cooling work, first we need to get the #1 myth out of the way before we discuss radiant ceiling in greater detail. MYTH: “Heat goes up” FACT: “Heat does goes down”. Just stay in the sun and feel it.
IR pictures taken during the start-up of Ray Magic radiant cooling and heating system in the new Headquarters of "The Fresh Connection" in Lafayette, CA. In the IR picture the Ray Magic panels are in heating mode. The surface temperature is about 80F (water supply temperature of about 90F) while the side wall are at