Imagine a water heater as smart as your phone and as efficient as your most organized friend. That's what the innovative tech company Cala has created with its intelligent heat pump water heater.

"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 ...

Growing Demand for Energy-Efficient Solutions: Stringent environmental regulations and rising energy costs are encouraging ...