Running cost
Lower power bill than most 19–28 pint models
It uses 54 kWh a year less than the median 19–28 pint model. Over 11 years, the DOE’s average life for a portable, that’s about $109 saved in the United States.
How long dehumidifiers lastOur read
Who it suits
At 19 pints a day, the PD30MA-20 sits below the smallest size in the ENERGY STAR table. That size is 20 pints, for a damp room under 2,000 sq ft. It’s one of the cheaper models of its size to run.
19 pints a day
Where that fits on the ENERGY STAR sizing table
| How damp the space is | Under 2,000 sq ft | Over 2,000 sq ft |
|---|---|---|
| DampSmells musty now and then50–75% RH | Too small20–30 pints suggested | Too small30+ pints suggested |
| Very dampDamp spots on walls or floor75–90% RH | Too small25–40 pints suggested | Too small40+ pints suggested |
| WetWalls sweat or water seeps in90–100% RH | Too small30–50 pints suggested | Too small50+ pints suggested |
Capacity suggested for each case, read Oct 5, 2026. ENERGY STAR adds that it’s better to oversize than undersize.
Ask before you buy
Ask for a noise figure
Our sources publish no noise level for the PD30MA-20. If it runs where you sleep or work, ask for a figure in dB(A), with the distance it was measured from.
Quiet dehumidifier guideFrom the data
Where it stands
- Its 230 kWh a year is 54 kWh less than the median for its size.
- Its refrigerant is R-290.
- No Wi-Fi app.Not listed as connected.
- Ranks 1st of 155 certified 19–28 pint portables for low energy use.The median of its size is 284 kWh a year.
- Its efficiency, 1.70 liters per kWh, is 31% above the federal minimum for its capacity class.The DOE sets 1.30 L/kWh for portables rated 25 pints a day or less. Every unit made since June 13, 2019, must meet it.
- Knka’s only model on the EPA list.
- Sold since May 2026. Among 19–28 pint models, 129 of 155 came out earlier.Certified in June 2026, one of the 97 models certified in the last six months.
- Not on the EPA’s Most Efficient list, which names 31 of the 19–28 pint models.
- The nearest size from another brand is the Midea MAD20S1QWT, rated 20 pints and 249 kWh a year.In the United States, this one costs $4 a year less to run.
Our arithmetic
One full day of drying
Water
2.3gal
18.5 pints
Electricity
5.1kWh
liters ÷ IEF
Cost
$0.94
in the United States
Run for a whole day at its rating, the PD30MA-20 removes 18.5 pints, about 2.3 gallons, on roughly 5.1 kWh. In the United States, that’s $0.94.
Divide the EPA’s 230 kWh a year by one full day’s use, and you get roughly 45 days. Past that, each day at full output adds $0.94 to the bill.
The DOE test behind those 18.5 pints runs at 65°F and 60% humidity. At the same humidity, a cooler basement gets less water out of the PD30MA-20.
Without a hose or a pump, someone has to carry out 2.3 gallons a day. Our sources don’t say whether the PD30MA-20 has a bucket, or how much it holds.
Running cost
Cost in your state
230 kWh a year × the home electricity price of each state.
| State | Price | Relative cost | Per year |
|---|---|---|---|
| Louisiana (lowest) | 12.72¢ | $29 | |
| U.S. averageYour state | 18.31¢ | $42 | |
| U.S. average | 18.31¢ | $42 | |
| California | 33.61¢ | $77 | |
| Hawaii (highest) | 48.00¢ | $110 |
Safety
Recalls
No CPSC recall names this model.Checked Oct 4, 2026.
No CPSC dehumidifier recall names Zhuhai BoFan Technology.
Every number has a source
Where the numbers come from
U.S. EPAOct 15, 2026
Capacity, energy use, refrigerant, filing company, certification.
Record 4622034 · certified Jun 4, 2026U.S. Energy Information AdministrationJuly 2026
Home electricity price in each state.
Electric Power Monthly, Table 5.6.ACode of Federal RegulationsOct 7, 2026
Federal minimum efficiency for each size of dehumidifier.
10 CFR 430.32(v), as of Jan 1, 2025Consumer Product Safety CommissionOct 4, 2026
Recalls of dehumidifiers.
No recall naming this companyNot published by these sources
- Pump and pump lift
- Noise, dB(A)
- Bucket size
- Lowest working temperature
- Dimensions
- Warranty
Found a number that looks wrong?Report it
Full spec sheet
All the details
How much water it removes2 of 3 published
- Water removed a dayDOE 2019 test (Appendix X1)
- 18.5 pints EPA
- Type
- Portable EPA
- Room size covered
- Not published
Drainage0 of 4 published
- Bucket size
- Not published
- Drain hose connection
- Not published
- Built-in pump
- Not published
- Pump lift
- Not published
Running cost3 of 3 published
- Energy useEPA yearly estimate
- 230 kWh/yr EPA
- Integrated energy factor (IEF)Liters removed per kWh. Higher is better
- 1.70 L/kWh EPA
- Cost a year in the United States
- $42 EPA × EIA
Noise0 of 1 published
- Noise level, dB(A)
- Not published
Build and warranty2 of 6 published
- Refrigerant
- R-290, 1.9 oz EPA
- Wi-Fi app
- No EPA
- Lowest working temperature
- Not published
- Dimensions
- Not published
- Weight
- Not published
- Warranty
- Not published
Certification and filing5 of 5 published
- ENERGY STAR® certified
- Jun 4, 2026 EPA
- On the market since
- May 29, 2026 EPA
- Filed byCompany that filed the model with the EPA
- Zhuhai BoFan Technology EPA
- Sold in
- United States, Canada EPA
- UPC
- 754175826872 EPA
Compare
Similar 19-pint models
Certified portables of the same size with a full page, closest in yearly energy use.
AlorAir
Sentinel Pro35X
Capacity
21 pintsCost a year in the United States
$44Pump
Not publishedNoise
Not publishedENERGY STAR® certified
Argendon
Sandidry Pro35C
Capacity
21 pintsCost a year in the United States
$44Pump (Argendon)
Built-inNoise
Not publishedENERGY STAR® certified
Midea
MAD20S1QWT
Capacity
20 pintsCost a year in the United States
$46Pump
Not publishedNoise
Not publishedENERGY STAR® certified