Rinnai’s Ultra Series condensing water-heating technology combines traditional tankless water heaters with commercial applications.

Trutankless utilizes patented heating technology and Incoloy alloys to ensure consistent, reliable performance year after year.

Rheem’s Prestige Series condensing tankless water heater harnesses condensing technology to achieve a 0.94 Energy Factor.

Noritz’s NRCP line of residential tankless water heaters combines condensing technology with hot-water recirculation.

Stiebel Eltron’s Tempra Plus whole-house tankless electric water heater is 99% efficient and features Advanced Flow Control

Bosch’s Tronic 5000 WH36 comes with an efficiency rating of 97% and can provide hot water for up to two major applications at a time.

Navien’s NPE-A tankless water heater features ComfortFlow technology, which incorporates a built-in buffer tank and recirculation pump inside the unit so the cold-water sandwich is eliminated.

The big guy doesn’t always win.

How an Upstate NY school now heats with locally produced wood chips.