Your hot shower or bath uses 15%–30% of your household's total energy, second only to the heating and cooling of air.

Reliable hot water is critical for restaurants for preparing food and washing dishes and equipment, as well as hand washing. However, water heating is one of the biggest energy users in restaurants.

It's essential to act quickly because IRA rebates may not be available forever. The government wants to give you $3,750 for a high-performance water heater — act now before rebates disappear first ...