Data through June 2026
Dishwashers · 86 certified models
Dishwashers Under 20" Wide
86 certified dishwashers under 20" wide appear in this data, costing $15 to $44 a year to run at the U.S. average rate — median $43.
The 50 most efficient (of 86)
Other size facets
Questions, answered with the data
- How much does it cost to run dishwashers under 20" wide?
- Among 86 certified models in this data, dishwashers under 20" wide cost $15 to $44 a year to run at the U.S. average electricity rate (18.3¢/kWh) — a median of $43.
- Do dishwashers under 20" wide cost more or less than the average dishwasher?
- The median model here runs $43 a year, 1% less than the $44 median across all certified dishwashers.
- What's the cheapest model among dishwashers under 20" wide?
- The Loch L1126 costs about $15 a year at the U.S. average rate (80 kWh/yr) — the lowest certified figure in this group.
- What does the certified annual-kWh figure assume for dishwashers?
- The certified annual kWh assumes 215 wash cycles per year (the DOE standard, roughly 4 loads a week) and includes the energy to heat water.