IRVINE, Calif. — Navien has started shipping the new NHW-A non-condensing tankless water heater. The NHW-A is available in two configurations: NHW-AI for interior installations and NHW-AE for exterior ...

The lure of tankless water heaters is strong for homeowners, and for good reasons. They last longer, take up less space, and are more efficient. They are a bit more expensive, though that can be ...

Commercial real estate buildings are responsible for 39% of global energy-related carbon emissions. The vast majority of those emissions come from the energy needed to heat, cool and power buildings.

If you’re looking to replace an aging (or failed) water heater, particularly a standard gas or electric one, you’re in luck. Chances are good that any newer model will be more energy-efficient than ...

A Biden administration ban on certain natural gas water heaters as part of the lame duck president’s climate agenda could send prices soaring for the elderly and the poor. Under the policy, new ...