Been noticing this exact thing for years. Did a load of EVP sessions in old buildings around Somerset and theres almost always one corner - usually north-facing from what I can tell - that consistently reads colder than the rest of the room. Not just by a degree or two either, sometimes a significant drop.
My thinking is that certain corners act almost like natural accumulation points for whatever energy is present. Whether thats residual, intelligent, something else entirely, I genuinely dont know. But the repeatability of it across completely different properties is hard to dismiss.
Has anyone actually tried mapping the cold spots across multiple visits to the same location? Wondering if they shift at all over time or stay fixed in the same spot. And does the age of the building make a difference - does it happen more in properties over a certain age? Would love to hear from anyone whos done proper systematic recordings rather than just one-off visits.