Appliances / Dehumidifiers / Honeywell Home
Honeywell Home DHM120R4000/U
94.33 pints/day · Whole-home Dehumidifier dehumidifier
Check the price at the store, then add $809 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.
- Price. Check what it costs at the store.
- Plus running cost. Add $809 of electricity over 8 years. That is the part the price tag hides.
- Compare. Pick your state below, then check the cheaper-to-run models of the same size.
About the Honeywell Home DHM120R4000/U
The Honeywell Home DHM120R4000/U is a 94.33 pints/day whole-home dehumidifier dehumidifier certified by ENERGY STAR. Its official test figure is 556 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $101 a year, or $809 over a typical 8-year life.
Among 21 whole-home dehumidifier models it ranks #4 for running cost. The cheapest model of this type would save $199 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 Santa Fe 4047100 uses 419 kWh a year and would save about $199 over 8 years.
Cost to run where you live
556 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 large (45 pints a day and up) model ranked.
| Santa Fe 4047100 | 85.62 pints/day | $76/yr | saves $199 |
Specs
| Brand | Honeywell Home |
| Model | DHM120R4000/U |
| Type | Whole-home Dehumidifier |
| Energy use | 556 kWh / year |
| Size | 94.33 pints/day |
| Water removed | 94.33 pints/day |
| Efficiency (IEF) | 2.22 L/kWh |
| Refrigerant | HFC-32 |
| Most efficient | No |
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 Honeywell Home DHM120R4000/U cost to run?
About $101 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 556 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 Honeywell Home DHM120R4000/U cost in electricity over its life?
About $809 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 Honeywell Home DHM120R4000/U 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 Santa Fe 4047100 uses 419 kWh a year, about $199 less in electricity over 8 years.
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