Navien condensing vs. non-condensing tankless water heaters

https://youtu.be/533fqqqJ_bs Brian Fenske, Specialty Channel Sales Manager, says, “Contractors continue to appreciate Navien’s tankless designs that can be combustion vented easily, offer the highest water heating efficiencies that their customers want, and simplified product offerings. This along with tankless units that are tolerant of some difficult gas supply issues and has easily added operation options Read more