Common sense would tell me the return should be the hottest, but that is not the case in my house.
tstat seems to always be 3-5 degrees warmer.
I have a ceiling return vent that is located by the tstat in the hallway.
A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Helping You to Do It Yourself!