What Is the 2026 DOE High Efficiency Water Heater Rule?

The DOE’s 2026 high efficiency water heater rule—sometimes called the “gas water heater ban”—is coming fast. Learn how Intellihot’s tankless, commercial-grade water heating solutions already meet the new standards.

Low Loss Header Design

An engineer explains the difference between operational efficiency and thermal efficiency in the context of tanks and tankless water heaters.

Theory of Diversity

An engineer explains the difference between operational efficiency and thermal efficiency in the context of tanks and tankless water heaters.

What is a Thermal Battery?

iB3

Thermal batteries are heat-storage devices. They can convert electricity to heat energy, and store it for later use.

Intellihot at ASPE 2024

Join us at ASPE 2024 to witness our latest products and hear our corporate trainer speak at a session about heat pump water heating.