When trying to determine which water heater is right for your Tiny house, RV, Cabin consider some of these factors:
Size and Capacity
Temperature Rise (with tankless)
GPM - Gallons Per Minute
If you are considering an on demand can supply hot water for up to 2 sinks or be plumbed in series with your existing hot water system to ensure instant hot water whenever you need it.water tank we like ECCOTEMP EM-2.5. It is small compact and light-weight .