Moiswell Defender HP150 dehumidifier: specs and cost to run

Our read

Who it suits

On the ENERGY STAR table, the Defender HP150 suits every space, wet ones over 2,000 sq ft included. Its yearly energy use sits near the median, so weigh drainage, noise, and price.

By Julien Fourel · How we compare

Updated Oct 16, 2026

50 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	Room to spare20–30 pints suggested	Fits30+ pints suggested
Very dampDamp spots on walls or floor75–90% RH	Room to spare25–40 pints suggested	Fits40+ pints suggested
WetWalls sweat or water seeps in90–100% RH	Fits30–50 pints suggested	Fits50+ pints suggested

Capacity suggested for each case, read Oct 5, 2026. ENERGY STAR adds that it’s better to oversize than undersize.

Running cost

Its power bill is close to the norm

A portable lasts 11 years on average, by the DOE’s count. In that time, this model costs $20 more to run in the United States than the median 45–50 pint model. The thriftiest 45–50 pint model, the Aeocky LEO PRO-RCS50(Y)-N4-3(B)-25, would save $185 over those years.

How long dehumidifiers last

Wi-Fi app

You’ll check it in person

Like 141 other 45–50 pint models out of 156, the Defender HP150 has no Wi-Fi app on the EPA list. In a basement you rarely visit, plan to check it in person.

Crawl space dehumidifier guide

Ask before you buy

Ask about the pump, and about the cold

Our sources don’t say whether the Defender HP150 has a pump, or how cold it can run. With no drain lower than the unit, the pump lift must reach your sink. Under 65°F, ENERGY STAR says the coils can frost.

Plan the drain

From the data

Where it stands

At 530 kWh a year, it sits 10 kWh above the middle of its class.
Its refrigerant is R-32, flagged as lower GWP.Global warming potential 675.
Of the 156 certified 45–50 pint portables, 135 use less energy, and 20 use exactly as much.
At 2.02 liters per kWh, it clears the federal minimum for its class by 26%.The DOE sets 1.60 L/kWh for portables rated over 25 and up to 50 pints a day. Every unit made since June 13, 2019, must meet it.
The largest portable certified under the Moiswell name. Next down is the Aegis HP110, at 38 pints.That one uses 156 kWh a year less.
On the market since January 2026, newer than 71% of the 45–50 pint models on the list.
Not on the EPA’s Most Efficient list, which names 8 of the 45–50 pint models.
Another brand near this size: the Airzentti ACD155P-PG100, at 50 pints and 530 kWh a year.Both cost the same to run in the United States.

Our arithmetic

One full day of drying

Water

6.2gal

49.83 pints

Electricity

11.7kWh

liters ÷ IEF

Cost

$2.14

in the United States

A day of nonstop drying means 49.83 pints of water, about 6.2 gallons, for some 11.7 kWh. At the average home electricity price in the United States, the Defender HP150 costs $2.14 to run that day.

The EPA’s yearly estimate, 530 kWh, adds up to about 45 days like that. Each extra day at full output costs another $2.14.

Those 49.83 pints come from a DOE test at 65°F and 60% humidity. Cooler air at that humidity gives up less water, so expect fewer pints in a cold basement.

Every day at full output leaves 6.2 gallons to get rid of. Check how the Defender HP150 drains, since our sources don’t say.

Plan the drain

Running cost

Cost in your state

Your state

530 kWh a year × the home electricity price of each state.

Prices: EIA, Electric Power Monthly, Table 5.6.A, July 2026. Lowest and highest of the 50 states and DC shown.
State	Price	Per year
Louisiana (lowest)	12.72¢	$67
U.S. average	18.31¢	$97
U.S. average	18.31¢	$97
California	33.61¢	$178
Hawaii (highest)	48.00¢	$254

All 50 states and DC

Same EPA figures

5 other Moiswell model numbers

The EPA lists the same capacity, 49.83 pints, and the same energy use, 530 kWh, for these models. Color, pump, or app may differ, so check each page.

Defender M145 Defender M70 Defender MP70Defender H150Defender MP145

Safety

Recalls

No CPSC recall names this model.Checked Oct 4, 2026.

No CPSC dehumidifier recall names Shenzhen Yinfeng.

Every number has a source

Where the numbers come from

U.S. EPAOct 15, 2026

Capacity, energy use, refrigerant, filing company, certification.

Record 4520480 · certified Jan 13, 2026

U.S. Energy Information AdministrationJuly 2026

Home electricity price in each state.

Electric Power Monthly, Table 5.6.A

Code of Federal RegulationsOct 7, 2026

Federal minimum efficiency for each size of dehumidifier.

10 CFR 430.32(v), as of Jan 1, 2025

Consumer Product Safety CommissionOct 4, 2026

Recalls of dehumidifiers.

No recall naming this company

Not 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): 49.83 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: 530 kWh/yr EPA
Integrated energy factor (IEF)Liters removed per kWh. Higher is better: 2.02 L/kWh EPA
Cost a year in the United States: $97 EPA × EIA

Noise0 of 1 published

Noise level, dB(A): Not published

Build and warranty2 of 6 published

Refrigerant: R-32, 10.4 oz EPA
Wi-Fi app: No EPA
Lowest working temperature: Not published
Dimensions: Not published
Weight: Not published
Warranty: Not published

Certification and filing4 of 5 published

ENERGY STAR® certified: Jan 13, 2026 EPA
On the market since: Jan 13, 2026 EPA
Filed byCompany that filed the model with the EPA: Shenzhen Yinfeng Innovation Technology EPA
Sold in: United States, Canada EPA
UPC: Not published

Compare

Similar 50-pint models

Certified portables of the same size with a full page, closest in yearly energy use.

Moiswell

Aegis HP150

Capacity

50 pints

Cost a year in the United States

$97

Pump

Not published

Noise

Not published

ENERGY STAR® certified

Moiswell

Defender M145

Capacity

50 pints

Cost a year in the United States

$97

Pump

Not published

Noise

Not published

ENERGY STAR® certified

Moiswell

Defender M70

Capacity

50 pints

Cost a year in the United States

$97

Pump

Not published

Noise

Not published

ENERGY STAR® certified

Guides

Guides and a brand comparison

Each guide compares the certified models of this size for one need. Moiswell vs AlorAir sets the two brands side by side.

50-pint dehumidifiersCovers 45–50 pints Basement dehumidifierCovers 45–50 pints Moiswell vs AlorAirBrand comparisonComparison Crawl space dehumidifierCovers 45–50 pints

Most searched guides

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Moiswell Defender HP150

Who it suits

Where that fits on the ENERGY STAR sizing table

Its power bill is close to the norm

You’ll check it in person

Ask about the pump, and about the cold

Where it stands

One full day of drying

Cost in your state

5 other Moiswell model numbers

Recalls

Where the numbers come from

All the details

Similar 50-pint models

Aegis HP150

Defender M145

Defender M70

Guides and a brand comparison

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