With all the new water heater technologies on the market, it can be tough to narrow down the best options. To help alleviate this problem, we've created a handy decision-making flow chart to quickly point you in the right direction.

Residential-scale water heaters are widely used in homes and small commercial buildings and represent an immense source of energy consumption. We look at the different options currently available, along with barriers and opportunities for utility demand-side management and demand-response programs.

Is it cost-effective to install residential heat pump water heaters (HPWHs) in heating-dominated climates, where the HPWH is withdrawing heat from the living space?