You are right about the furniture in the cold room. A six foot wide sold piece is in front of the only baseboard in the room. I moved it about a foot away from the wall during the cold snap, but wife wouldn't have it. Basically one whole wall of the house has no baseboard at all, the one with...
Unit was installed here in the northeast in 2019. Has been trouble free. During the recent cold snap reaching minus 10 deg. F it ran constantly for 36 hours. It could not keep the house to 70 deg. but maybe 67. For this uncommon issue I believe I need more baseboard in one area of the house...