Household · official-source review · reviewed 2026-10-26
A dehumidifier is rated for a full day, but most homes run it for a shorter window and pay for the hours they choose.
Turn the rated pints, running watts, hours, and electricity price into a daily and monthly cost.
Anyone running a portable dehumidifier in a basement, closet, or damp room.
Use the source document or official route that applies to your situation. This guide does not contact another person or verify external information.
The label states pints removed per day at a standard condition. Write that number down.
Use the running wattage from the label or manual, not the compressor start surge.
Count the hours your unit actually runs in a day. A timer or smart plug makes this exact.
Take the kilowatt-hour price from your bill.
The App shows a daily cost and the share of rated capacity your setting asks for.
A 450-watt unit run 12 hours a day at 17 cents a kilowatt-hour costs about 92 cents a day and $27.54 over 30 days.
Use your own source and details. The example is not a record about a real person or organization.
Two running windows with the same method. Both are examples.
Both cases are examples, not records about a real person. The bars show the same numbers the free App computes.
U.S. Environmental Protection Agency, Energy Star · reviewed 2026-10-26
What this source supports: Energy Star publishes efficiency criteria and estimated ranges for major appliances.
Source limit: Model-specific energy use varies. Read the EnergyGuide label for the exact unit you own or plan to buy.
These sources support the statements above. They do not show that every person needs this guide. They do not show a specific result.
This guide uses the watts and hours you enter. It does not measure room humidity or guarantee a dry space.
Model-specific energy use varies. Read the EnergyGuide label for the exact unit you own or plan to buy.
Use current instructions from the responsible organization. This guide is a planning aid, not an official decision or a substitute for qualified advice.
Turn dehumidifier watts, hours, pints, and electricity price into a daily and monthly cost.
This App multiplies the numbers you enter. It does not measure humidity, test the unit, or promise a dry room.
You enter every number yourself. The sources support the method and the limits. They do not produce a result for your specific case. Keep the original documents next to the sheet you build.
The App computes the worked example with your own numbers, in your browser.
APP 1
Turn dehumidifier watts, hours, pints, and electricity price into a daily and monthly cost.
Free · no account · no upload
Open Dehumidifier Run-Hours CostThe App runs in this browser. It does not send or save entries. Copy, download, or print only when you choose.
This guide uses short, direct instructions as an ASD-STE100-style writing target. It is not a formal certification.
Companion App: Dehumidifier Run-Hours Cost. It runs in this browser and does not upload your entries.
This guide is edited for clarity and checked against the sources it links. It is not a substitute for official instructions or qualified advice. A linked source does not show that every person needs this guide.