A Bosch dishwasher usually uses 2.4 to 6.4 gallons (9 to 24 litres) of water for each cycle. This amount varies by model and wash cycle. The Bosch 800 Series is one of the most water-efficient models, using about 2.4 gallons (9 litres) per cycle. The Eco mode is the most water-saving cycle.
How Much Water Does a Bosch Dishwasher Use Per Cycle?

A Bosch dishwasher saves energy and water. The amount used depends on the model and wash programme chosen.
- Standard Bosch dishwashers use between 2.4 and 6.4 gallons (9 to 24 litres) per cycle.
- The Bosch 800 Series is one of the most efficient, using around 2.4 gallons (9 litres) per cycle.
- The Eco mode can further reduce water usage, making it the best option for conserving water.
Key Insight: Bosch dishwashers use up to 50% less water than older models. This helps lower utility bills and is better for the environment.
How Much Water Does a Bosch 800 Series Dishwasher Use?
The Bosch 800 Series is designed to be one of the most water-efficient dishwashers on the market.
- It consumes approximately 2.4 gallons (9 litres) per cycle.
- This uses much less water than traditional dishwashers, which can use up to 10 gallons each cycle.
- Features like Precision Wash™ technology and AutoAir™ Dry save water and improve cleaning efficiency.
Why is the Bosch 800 Series Efficient?
- It uses sensors to determine the right amount of water needed for each load.
- The advanced filtration system minimizes the need for excessive rinsing.
- The condensation drying system saves both energy and water.
Which Bosch Dishwasher Cycle Uses the Least Water?
If you’re looking to minimize water usage, the Eco cycle is the best option.
- The Eco cycle on Bosch dishwashers is the most water-saving setting.
- It works at lower temperatures and uses less water. Still, it maintains a strong cleaning performance.
- The Normal wash cycle usually uses a bit more water than eco-mode, but it remains very efficient.
Pro Tip: For lightly soiled dishes, try the Quick Wash cycle. It uses about 2.5 gallons (9.5 litres) of water and cleans dishes quickly.
How Much Water Does a Bosch Dishwasher Use Per Hour?
A Bosch dishwasher does not continuously use water per hour, but rather per cycle. On average:
- The Normal cycle lasts about 2 hours and consumes around 2.5 to 4 gallons (9.5 to 15 litres) of water.
- The Heavy cycle may last 2.5 to 3 hours, using 5–6 gallons (19-24 litres).
- The Eco cycle uses the least water, averaging 2.4 gallons (9 litres) per cycle.
Key takeaway: Longer cycles are usually more water-efficient. They use lower water pressure for a longer time.
How Bosch Dishwashers Compare to Hand-Washing
A common question is: Is a dishwasher more water-efficient than handwashing?
- Handwashing dishes can use up to 27 gallons (100 litres) of water per session.
- A Bosch dishwasher only uses 2.4 to 6.4 gallons (9 to 24 litres) per cycle.
- Using a dishwasher saves up to 85% of water compared to handwashing.
Fact: If you run your dishwasher only when it is fully loaded, you maximise water efficiency.
Tips to Optimize Water Usage with Your Bosch Dishwasher
For the best water-saving results from your Bosch dishwasher, use these tips:
- Useful Loads: Running a half-full dishwasher wastes energy and water.
- Select the Right Cycle: Choose the Eco mode for the most water-efficient cleaning.
- Skip Pre-Rinsing: Bosch dishwashers have strong filters, so pre-rinsing isn’t needed.
- Maintain Your Dishwasher: Clean the filters and spray arms often. This helps keep water flowing well.
- Use Rinse Aid. It boosts drying efficiency and cuts down on extra wash cycles.
Conclusion
Bosch dishwashers are very water-efficient. They use only 2.4 gallons (9 litres) per cycle. The Bosch 800 Series is very eco-friendly. The Eco cycle also cuts down on water use. Choose the right settings and follow best practices. This way, you can save water, cut utility bills, and help the environment.
Final Thought: If you’re looking for an efficient dishwasher, Bosch is a top choice. It saves water and energy.
FAQs
How much water does a Bosch dishwasher use in Eco mode?
The Eco mode typically uses around 2.4 gallons (9 litres) per cycle.
Does a Bosch dishwasher use more water than handwashing?
No, handwashing dishes can use up to 27 gallons, while a Bosch dishwasher uses as little as 2.4 gallons per cycle.
What is the most water-efficient Bosch dishwasher?
The Bosch 800 Series is one of the most water-efficient models, using only 2.4 gallons per cycle.
How can I make my Bosch dishwasher use even less water?
- Useful loads
- Select Eco mode
- Skip pre-rinsing
- Maintain filters and spray arms
Does the drying cycle use extra water?
No, Bosch dishwashers use condensation drying, which does not require extra water.