Hot Water List

Electrolex water heaters

1 basic model and 2 listed models.

Certified figures by basic model

Electrolex basic models and their certified figures
Basic modelTypeUEFFlow at a 67°F rise (gal/min)Recovery efficiencyModel numbers
EHW199 Gas tankless 0.815.081% EHW199A0W-LP, EHW199A0W-NG

A range means the models under one basic model differ. A dash means the model has no such figure.

Per unit of energy, its heat into water, or UEF, reaches 0.81. A UEF of 0.81 means less energy went into the water than was used. The basic model with that UEF is the EHW199. None of this brand's basic models on this site lists an ENERGY STAR certified model.

This brand lists one type of water heater: gas tankless. Without a tank, the EHW199 gives this brand's highest flow. That flow is 5.0 gallons per minute for water warmed by 67°F.

This brand lists one basic model, which carries 2 model numbers. On this site, 73 of the 117 brands list more model numbers than Electrolex's 2. No other brand on this site lists any of this brand's basic model numbers.

Updated Oct 17, 2026 · Methodology