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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallAn atmospheric water generator (AWG) has no fixed daily output: the water it collects and the electricity it uses depend on ambient temperature and humidity, the machine’s design and airflow, and how it is operated. For a meaningful comparison, read water yield and energy use together with the conditions under which they were measured.
How humidity and temperature affect water output
Relative humidity tells you how close air is to saturation at its current temperature. It does not, by itself, describe the total moisture available without regard to temperature. An AWG that uses refrigeration has to cool incoming air enough for moisture to condense, so output depends on the air’s moisture state as well as how much air the device processes and how its cooling surfaces operate.
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A study of an AWG in hot, humid conditions found that both relative humidity and temperature affected its water-extraction rate (Ahmad et al., 2022). That finding does not establish a universal yield curve or mean that warmer air always produces more water. The relationship depends on the combination of temperature, moisture, and the particular system’s operation.
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Weather is only part of the explanation for different AWG results. Recent research also identifies airflow, evaporator surface design, and condensate-removal efficiency as factors affecting performance (Baioumi, Hanafy, and ElGamal, 2025; 2025 vibrating-fin AWG study). Two units in the same room may therefore produce different amounts of water or use different amounts of energy.
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How to interpret reported output and energy use
Specific energy consumption (SEC), usually given in kilowatt-hours per liter (kWh/L), relates electricity use to water collected. It is useful for comparisons only when the test conditions, measurement period, and system boundary are clear. Pair it with a water-yield figure and the temperature and relative humidity recorded during the same test.
Results from published studies
- Ahmad et al. (2022): The study’s indexed abstract reports a lowest monthly production rate of 0.13 L/hr and energy consumption of 1.98 kWh/L for that month. These are results from that study, not a general minimum or typical benchmark for AWGs. Study abstract.
- Baioumi, Hanafy, and ElGamal (2025): The paper reports that literature systems used for comparison were evaluated under similar average conditions of 22–24°C and 60–63% relative humidity. It reports 2.1 L/hr and 0.73 kWh/L for its developed prototype. Those are the paper’s prototype and comparison results under its study context, not a guaranteed result for other units or conditions. Article page.
Manufacturer-reported examples are not a head-to-head test
A 2025 Northern Chile assessment lists manufacturer-reported SEC examples at different stated temperatures and humidity levels. The paper’s indexed abstract gives these figures:
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| Unit named in the assessment | Manufacturer-reported SEC | Stated conditions |
|---|---|---|
| Thunder | 0.28 kWh/L | 30°C, 80% RH |
| GEN-M1 | 0.24 kWh/L | 22.6°C, 60% RH |
| RoL50 | 0.36 kWh/L | 28°C, 80% RH |
| EA60 | 0.4 kWh/L | 30°C, 80% RH |
| ASWEA-250 Elite | 0.29 kWh/L | 30°C, 80% RH |
These are manufacturer figures summarized by the paper, not independently verified current specifications. Because the stated conditions and test methods may differ, the numbers should not be treated as a ranking. Northern Chile assessment.
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Check that a published rating or your own measurements give enough context to interpret the result. Useful comparison details include:
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- Water collected, in liters per hour or day, and the duration over which it was measured.
- Electricity consumed over the same interval, allowing SEC to be calculated as kWh per liter.
- Temperature and relative humidity near the air intake during the test.
- The unit’s operating design and relevant details such as airflow, heat-exchanger design, and condensate collection.
- Whether the figure comes from an independent measured study, a modeled result, or a manufacturer rating.
A temperature-and-humidity meter can document ambient conditions near the intake, but it cannot establish a unit’s liters per day or kWh/L on its own. To measure actual performance, collect and measure the water and electricity consumed over the same period, while recording temperature and relative humidity. One 2025 prototype study used DHT-22 sensors to monitor those conditions, with Arduino data collection and a LabVIEW display; that describes the study setup, not a requirement for a consumer installation. Study methods.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to choose a useful rating
When comparing products, favor specifications that state liters per day and kWh/L alongside the temperature and relative humidity used for the rating. Avoid comparing one unit’s best-condition daily yield with another unit’s energy figure from different conditions: the two numbers do not describe a common test.
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