Appliances / Dehumidifiers / KNKA

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Portable DehumidifierENERGY STAR certified

KNKA PD30MA-20

18.5 pints/day · Portable Dehumidifier dehumidifier

Electricity, 8 years
$335
Per year
$42

Check the price at the store, then add $335 of electricity to get the true cost. We may earn a commission if you buy through these links; as an Amazon Associate we earn from qualifying purchases.

  1. Price. Check what it costs at the store.
  2. Plus running cost. Add $335 of electricity over 8 years. That is the part the price tag hides.
  3. Compare. Pick your state below, then check the cheaper-to-run models of the same size.
Per year (U.S. avg)
$42
Over 8 years
$335
Rank for running cost
#82 of 489

About the KNKA PD30MA-20

The KNKA PD30MA-20 is a 18.5 pints/day portable dehumidifier dehumidifier certified by ENERGY STAR. Its official test figure is 230 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $42 a year, or $335 over a typical 8-year life.

Among 489 portable dehumidifier models it ranks #82 for running cost. The cheapest model of this type would save $182 in electricity over 8 years, though it may differ in size and features.

If you want the same type and a similar size for less to run, the CONCETTA AS-CSJ72XK-4D5WT-OL uses 181 kWh a year and would save about $71 over 8 years.

Cost to run where you live

Electricity per year
$42
Electricity over 8 years
$335
Add the price you pay
+ $335

230 kWh a year (ENERGY STAR test figure) × 18.19¢ per kWh, the average residential price in the U.S. for Jan–Aug 2026 (EIA). Your bill depends on your utility and how you use it.

Cheaper to run, same type and size

Or see every small (under 30 pints a day) model ranked.

CONCETTA AS-CSJ72XK-4D5WT-OL16 pints/day$33/yrsaves $71
Dr. Prepare DDH20LF16 pints/day$33/yrsaves $71
DUMOS AS-CSJ72XK-4D5WT-OL16 pints/day$33/yrsaves $71
edx AS-CSJ72XK-4D5WT-OL16 pints/day$33/yrsaves $71

Specs

BrandKNKA
ModelPD30MA-20
TypePortable Dehumidifier
Energy use230 kWh / year
Size18.5 pints/day
Water removed18.50 pints/day
Efficiency (IEF)1.70 L/kWh
RefrigerantR290
Most efficientNo

Specs and energy use from the ENERGY STAR certified products list (U.S. EPA). An asterisk in a model number stands for colour or finish codes. HouseholdLeak is not affiliated with ENERGY STAR or the EPA.

Questions people ask

How much does the KNKA PD30MA-20 cost to run?

About $42 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 230 kWh a year. In a state with expensive power it can be much more; pick your state on this page to see your number.

How much will the KNKA PD30MA-20 cost in electricity over its life?

About $335 over 8 years, a typical life for a dehumidifier. Add that to the price you pay to get the true cost to own.

Is the KNKA PD30MA-20 energy efficient?

It is ENERGY STAR certified, which means it meets the EPA's efficiency requirements for its type.

Is there a cheaper dehumidifier to run of the same type and size?

Yes. The CONCETTA AS-CSJ72XK-4D5WT-OL uses 181 kWh a year, about $71 less in electricity over 8 years.

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