Does anybody use duplicate treadmill at the gym?

I use the same treadmill at the gym and seem to be to be used to it because everytime I use another treadmill, my running isn't the same.Does anybody use duplicate treadmill at the gym?
Yeah they adjectives seem different - I own my faves too!
I do and I can tell the difference. It depends on the usage and how long it have been since the domestic device has be calibrated.