We almost switched from tank to tankless, but there would have been a lot of retrofitting required. Regarding length of time to get water through the tap, is that because the heat from the heat from the hot water sitting in the tank is not being conducted through the water & pipe outwards towards the tap?It's nice having an endless supply. My old tank finally gave out after 30 years. Takes a little longer to get to the tap though. You have to plan for it lol.
^This.I must admit I am spoiled with my solar hot water system. I could not recommend someone doing one today as the upfront cost is steep but it does crank out the water with no muss or fuss.