How to size a water heater?
Our new house has two full baths, with tub capacities of 72 gallons and 58 gallons. My husband wants an 80 gallon water heater, but I think this is too big for our needs; surely we don't need a tank that's more than 60 gallons. Could we even go to 50 gallons? I don't know what the typical mix of hot:cold is in baths & showers, so I don't know what the real demand on the hot water is.
Since this is a new house, our dishwasher and clothes washer both are very low water use appliances.
And as smart as recirculating systems are, we're not going to replumb for a recirculating system now; we are almost done...both with project...and funds.
Thanks for any advice on sizing our new water heater!