With stainless steel heat exchangers, optional commercial rack mounts and multiple venting options, the GS and GR tankless water heater models combine reliability with flexibility to meet the demands of both residential and commercial applications and accommodate a variety of installations, the company says.

Rheem IKONIC super high efficiency condensing gas tankless water heater delivers a 0.96 UEF, resulting in up to a 36% reduction in energy use and carbon footprint and up-to 65% reduction in NOx emissions, the company says.

The IKONIC high efficiency condensing gas tankless water heater delivers a best-in-class 0.96 UEF, resulting in up to a 36% reduction in energy use and carbon footprint and up-to 65% reduction in NOx emissions, the company says.

Rheem Commercial Tankless Water Heaters are designed to deliver continuous, dependable hot water, save money and space, and keep business up and running workday after workday, the company says.

With the improved SENSEI RSC Condensing Tankless Water Heater, Rinnai delivers the same superior quality with simplified installation, the company says.

The commercial water heating market has options for building owners and facility managers when it comes to selecting equipment for their facilities — tank or tankless, gas models or electric — even heat pump water heaters are seeing growth in this space. So which is the most popular? Well, it all depends on who you ask.

The EZ Series of high-efficiency, condensing tankless water heaters from Noritz America cuts installation time and cost when replacing larger, storage tank-type units, it notes. 

Bradford White’s KwickShot is a reliable and easily installed tankless electric water heater available in thermostatic and non-thermostatic models to meet a range of water temperature needs in a variety of everyday applications, the company explains.

The stakes are always high for commercial businesses’ decisions and especially those related to equipment investments. Every penny adds up and, in some industries like restaurants, margins are notoriously unforgiving. 

Navien’s NPN-120E 120,000 Btu/h non-condensing tankless water heater is offered in separate natural gas and liquid propane configurations for outdoor-only operation.