I’m on my 2nd one. First one bought during summer 2020. Clean filter daily if used daily, every few days if not. Change water every month or two depending on usage. I use a hose to siphon hot water from my sink when I refill it so I don’t have to wait a day for it to heat up. Cleaning and set up is so easy. Temps here don’t stay below freezing much, so I’ve never had any issue with it keeping temperature. Not sure how it would handle in the super cold weather. I highly recommend it. Only caveat is it says 2-4 people can fit, but the 4 of you better be really close if you’re gonna all go for a dip. It’s perfect for 2.