A.O. Smith Signature 100 Electric Water Heater
Best reliable hot water for compact spaces.
This compact electric unit provides a reliable hot water solution for small to mid-sized households. Its space-saving design fits easily into tight closets or under staircases, while dual heating elements ensure consistent performance for daily needs.
$419.00
at
Lowe's
Who it's for
- Homeowners with limited utility space or height restrictions
- Buyers prioritizing established quality and long-term product support
- Small to medium families needing reliable hot water for daily use
Who should skip it
- Budget-conscious consumers concerned about long-term utility expenses
- Large families or those with high, consecutive hot water demands
- Families of four or more, or homes with multiple bathrooms
Performance breakdown
Space Efficiency
The short, compact form factor fits easily into tight, awkward closets.
Energy Efficiency
A 0.92 UEF rating keeps monthly utility costs impressively low.
Heating Reliability
Dual copper elements provide consistent, dependable hot water for small households.
Maintenance Ease
Self-cleaning dip tube technology significantly reduces long-term sediment buildup issues.
Build Durability
Ceramic fused tank shielding offers solid protection against internal corrosion.
Recovery Speed
Adequate for 2-3 people, though heavy usage may strain recovery times.
Key Specs
Dimensions
Height 49.75 inches, Diameter 20.5 inches
Nominal Capacity
40.0 Gallons
Rated Storage Capacity
37-Gallon
Weight
99 lb
Water Connection Size
3/4-in
Insulation Thickness
2.25 Inches
Fuel Type
Electric
Power Source
Electric
Voltage
240 Volts
Heating Element Material
Copper
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