Best Tankless Water Heaters · head-to-head

Rheem RTGH-95DVLN vs A.O. Smith ProLine XE ATI-540H-N

A sourced, side-by-side comparison. Rheem RTGH-95DVLN is cheaper at $1499. Every spec and price links to its source.

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Rheem RTGH-95DVLN A.O. Smith ProLine XE ATI-540H-N
US price $1499
BrandRheemA.O. Smith
Released
Fuel type natural-gas natural-gas
Max flow rate gpm 9.5 10
Max btu per hour 199900 199000
Power input (kW)
Uniform energy factor 0.93 0.93
Condensing type condensing condensing
Min activation flow gpm 0.4
Vent type pvc pvc
Max temp f 140
Heat exchanger warranty yrs 15
Wi-Fi enabled No
Weight (lb)

Sources — Rheem RTGH-95DVLN: files.rheem.com (verified 2026-07-11). A.O. Smith ProLine XE ATI-540H-N: hotwater.com (verified 2026-07-11).

What's the difference between the Rheem RTGH-95DVLN and A.O. Smith ProLine XE ATI-540H-N?

Where the two actually differ on the specs we track (2 of 12). Matching specs are omitted.

  • Max flow rate gpm: Rheem RTGH-95DVLN 9.5 vs A.O. Smith ProLine XE ATI-540H-N 10
  • Max btu per hour: Rheem RTGH-95DVLN 199900 vs A.O. Smith ProLine XE ATI-540H-N 199000

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