"Cala delivers up to 50% more hot water by heating to a higher temperature and then mixing with colder water at the outlet." This unbelievably smart water heater will save you money and energy — your ...

One tester pointed out that a single 40-ounce bottle could ... so if you take the bottle out of a hot dishwasher and fill it with cold or room-temperature water, it will resist shattering better ...