WattCost

Data through April 2026

Dehumidifiers · 22 certified models

MOISWELL

MOISWELL: 22 ENERGY STAR certified models in this data, running $54 to $118 a year at the U.S. average electricity rate — a median of $100, versus $65 across every certified dehumidifiers.

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Questions, answered with the data

How much does it cost to run MOISWELL dehumidifiers?
Among 22 certified models in this data, MOISWELL dehumidifiers cost $54 to $118 a year to run at the U.S. average electricity rate (18.8¢/kWh) — a median of $100.
Do MOISWELL dehumidifiers cost more or less than the average dehumidifier?
The median model here runs $100 a year, 55% more than the $65 median across all certified dehumidifiers.
What's the cheapest model among MOISWELL dehumidifiers?
The MOISWELL Defender M7R costs about $54 a year at the U.S. average rate (285 kWh/yr) — the lowest certified figure in this group.
What does the certified annual-kWh figure assume for dehumidifiers?
The certified annual kWh comes from the DOE test basis for standardized annual runtime. Damp basements that run a unit year-round will exceed it; seasonal use will come in under.

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