Installing solar power ... Effectively the water heater becomes another type of battery in [Rogan]’s home, capable of storing energy at least for the day in the form of hot water.

Al Ruggie of Phoenix-based ASAP Restoration laments: "For sure, we have never installed a solar hot water heater on a home ...

So when he replaces the roof, he plans to add a couple of solar photovoltaic ... Solar water heating systems are either ...