Had The Perfecto from humiGuage and read on here (I think) that it had a rep for inconsistancy and that the Little Havana was more accurate. Ordered one from Holts and put them side by side. At first they were about 4-5 points apart and after 1/2 day they both synched. I was relieved to know the 1st one was ok - needed another anyway. The temps on the two are about .2 of a degree apart. Got lucky on the perfecto. The design on the LH is better in that it's flat side is offset making it easier to view, whereas you have to be directly over the perfecto to see the readout. Cost is the same - I'd pick the LH over the other one.