---
title: "Dishwasher vs water heater — size, weight and speed compared"
description: "Water heater is 1.6× dishwasher on weight. Compared on 5 measured properties, with the full range and a source for each."
url: https://atoneplace.net/vs/dishwasher-vs-water-heater/
site: "At One Place"
---

# Dishwasher vs Water heater

**Dishwasher vs water heater: Water heater is larger on weight**

Water heater is 1.6× dishwasher on weight.

A dishwasher and a water heater can be compared on 5 measures. The figures below are typical adult or full-size values, with the larger of the two in bold.

## Side by side

*Larger value in bold. Ranges reflect genuine variation, not uncertainty.*

|  | Dishwasher | Water heater |
| --- | --- | --- |
| Weight | 28–58 kg | 40–100 kg |
| Height | 82–88 cm | 120–180 cm |
| Typical lifespan | 7–13 yr | 8–15 yr |
| Typical cost | 350–1,800 $ | 500–2,500 $ |
| Power draw | 900–1,800 W | 3,000–5,500 W |

## What the numbers say

- Water heater is 1.6× dishwasher on weight.
- Water heater is 1.8× dishwasher on height.
- Water heater is somewhat greater than dishwasher on typical lifespan — about 1.1×.
- Water heater is somewhat greater than dishwasher on typical cost — about 1.4×.
- Water heater is 3.8× dishwasher on power draw.

*Weight compared.*

- Water heater: 40–100 kg
- Dishwasher: 28–58 kg

## Dishwasher

A built-in cabinet that washes dishes with heated water and detergent on a timed cycle.

## Water heater

A tank or on-demand heat exchanger that supplies hot water to a building.

> This is a comparison of published measurements, nothing more. It describes how two things differ on measures that have been recorded; it does not predict how they would fare against each other in any situation.

## Common questions

### Which is bigger, dishwasher or water heater?

Water heater is 1.6× dishwasher on weight. Both figures are typical values; the full range for each is in the table above.

### How do dishwashers and water heaters compare on height?

Dishwasher: 82–88 cm. Water heater: 120–180 cm. Water heater is 1.8× dishwasher on height.

### How do dishwashers and water heaters compare on typical lifespan?

Dishwasher: 7–13 yr. Water heater: 8–15 yr. Water heater is somewhat greater than dishwasher on typical lifespan — about 1.1×.

## Related pages

- [Washing machine vs water heater](https://atoneplace.net/vs/washing-machine-vs-water-heater/)
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## Sources

- Typical range compiled from manufacturer specifications — At One Place (/about/)
- ENERGY STAR Product Specifications — US Environmental Protection Agency (https://www.energystar.gov/) [Public domain (US Government)]
- Residential Energy Consumption Survey — US Energy Information Administration (https://www.eia.gov/consumption/residential/) [Public domain (US Government)]