Ruud Vs

Ruud vs State — Rheem Contractor vs AO Smith Lowe's

Ruud and State are both subsidiary brands of major US manufacturers. Different channels.

Updated May 2026 · Ruud Water Heaters

Ruud is Rheem\'s contractor-channel brand. State is AO Smith\'s Lowe\'s retail brand. Different manufacturers, different channels.

Comparison

Ruud Professional Ultra 50-galState ProLine 50-gal
ManufacturerRheemAO Smith
Tank warranty12 years (Ultra)6 years (ProLine base) / 8 years (ProLine XE)
ChannelContractor wholesaleLowe\'s retail + wholesale
Heat pump lineProfessional Hybrid (4.0+ UEF)Premier Hybrid (3.45 UEF)
TanklessUltra Series (RU130-RU199)None (AO Smith uses Takagi)

When Ruud wins

  • Contractor relationship
  • 12-year warranty preference (Ultra) vs State ProLine 6-year
  • Higher-UEF heat pump (Professional Hybrid 4.0 vs Premier Hybrid 3.45)
  • Tankless preference

When State wins

  • Lowe\'s retail shopper
  • Premier Hybrid heat pump at lower price than Professional Hybrid (despite lower UEF)
  • State is the brand your installer carries

Bottom line

Different manufacturers + different channels. Ruud is the contractor-channel pick with broader product range (including tankless). State is the Lowe\'s retail value pick with simpler product lineup.