WatchDog: 11 DOE certified models
WatchDog has 11 dehumidifier basic models certified to DOE as of 2026-11-03, rated 34.13 to 90.73 pints/day under the 2019 DOE test. How their efficiency compares with their DOE class is below.
Key findings
- Highest certified water removal among its dehumidifiers: WatchDog NXT120cWH at 90.73 pints/day.
Source: DOE Compliance Certification Database (dehumidifiers), data as of 2026-11-03.
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Dehumidifiers
| # | Photo | Model | Labels | Pints/day (2019 test) | IEF, L/kWh | DOE class | Brands | Amazon |
|---|---|---|---|---|---|---|---|---|
| 1 |  | WatchDogNXT85c |
| 48.76pints/day, 2019 DOE test | 1.86 | 25 to 50 | 1 | Check price on Amazon |
| 2 | WatchDogNXT120cWH |
| 90.73pints/day, 2019 DOE test | 2.03 | whole home | 1 | ||
| 3 | WatchDogNXT120WH |
| 89.84pints/day, 2019 DOE test | 2.01 | whole home | 1 | ||
| 4 | WatchDogNXT100cWH |
| 81.11pints/day, 2019 DOE test | 2.15 | whole home | 1 | ||
| 5 | WatchDogNXT100WH |
| 80pints/day, 2019 DOE test | 2.12 | whole home | 1 | ||
| 6 | WatchDogNXT85WH |
| 59.39pints/day, 2019 DOE test | 1.88 | whole home | 1 | ||
| 7 | WatchDogNXT85 |
| 49.58pints/day, 2019 DOE test | 1.9 | 25 to 50 | 1 | ||
| 8 | WatchDogNXT60WH |
| 43.49pints/day, 2019 DOE test | 2.06 | whole home | 1 | ||
| 9 | WatchDog600c |
| 34.48pints/day, 2019 DOE test | 1.88 | 25 to 50 | 1 | ||
| 10 | WatchDogNXT60 |
| 34.48pints/day, 2019 DOE test | 1.88 | 25 to 50 | 1 |
1 more certified, no listing matched
| # | Photo | Model | Labels | Pints/day (2019 test) | IEF, L/kWh | DOE class | Brands |
|---|---|---|---|---|---|---|---|
| 1 | WatchDog550 |
| 34.13pints/day, 2019 DOE test | 1.97 | 25 to 50 | 1 |
How efficient are WatchDog dehumidifiers?
Of the 11 WatchDog dehumidifiers, 2 file a higher IEF than the class median and 9 fall below it.
| DOE class | WatchDog models | Above median | Class median | Best WatchDog |
|---|---|---|---|---|
| Whole home dehumidifiers (30) | 6 | 1 | IEF 2.13 | NXT100cWH IEF 2.15 |
| Portable dehumidifiers, 25 to 50 pints/day (296) | 5 | 1 | IEF 1.91 | 550 IEF 1.97 |
A higher IEF means more water removed per kWh.
Who makes WatchDog dehumidifiers?
DOE's database has no manufacturer field, so the evidence is whose model number each unit is filed under and which other brands file the same unit.
None of the 11 WatchDog basic models is filed by another brand as of 2026-11-03, and none uses another company's model number. DOE's records tie them to WatchDog alone.
How much does a WatchDog dehumidifier cost to run?
Running nonstop at DOE's test conditions, the 11 WatchDog dehumidifiers with both figures use 8.2 to 21.15 kWh a day. That's about $1.49 to $3.84 a day, or $44.66 to $115.22 for 30 days. The lowest is WatchDog 550 (34.13 pints/day, IEF 1.97) and the highest WatchDog NXT120WH (89.84 pints/day, IEF 2.01).
Real use cycles on and off with the humidity, so these are the upper figures for a day of nonstop running.
At 18.16¢ per kWh, the US average residential price for August 2026 (EIA Electric Power Monthly, table 5.6.A). Worked out from the certified figures.
Questions about WatchDog
- Is WatchDog a good dehumidifier brand?
- How its 11 dehumidifiers compare on efficiency with their DOE class is above. All 11 are filed under WatchDog alone. We don't test reliability, noise or build quality, so we can't rank brands on those. How we compare models.
- Does WatchDog make a 50 pint dehumidifier?
- Yes, by the 2019 DOE test: 6 of its models certify 49.5 pints/day or more, led by WatchDog NXT120cWH at 90.73 pints/day. By DOE class: 5 in the 25 to 50 pints/day class and 6 in the whole home class. How the 2019 test changed pint ratings.
- Which WatchDog dehumidifier is the most efficient for its size?
- WatchDog NXT100cWH, at IEF 2.15: higher than 17 of the 30 in its DOE class (whole home dehumidifiers). At the other end is WatchDog NXT85WH, at IEF 1.88, higher than 2 of the 30 in its class.