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Dehumidifier electricity cost in Singapore

Persistent humidity can keep a dehumidifier cycling for many hours, with extraction target, room leakage, and laundry drying driving consumption.

Rate used for the starting scenarioSGD 0.3478/kWh

Use the current GST-inclusive rate from SP Group or the exact retailer plan instead of a historic quarterly tariff.

Billing scopeSingapore

Confidence A 99/100. Effective 2026-07-01 to 2026-09-30.

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Live local scenario

Calculate with an editable rate.

Like an air conditioner, a compressor dehumidifier cycles as the target humidity is reached. Damp conditions, room leakage, and set point determine active runtime.

01

Your scenario

Change any value. Results update instantly.

Active runtime accounts for cycling. Use 100% for devices that draw the rated power continuously.

02

Your reading

Planning range · based on your inputs
Estimated monthly costSGD 28.48

Likely planning range SGD 23.36–SGD 33.61

Per daySGD 0.94
Per active hourSGD 0.09
Per yearSGD 341.82
Energy / month81.9 kWh

FormulakW × runtime × tariff

Month52 weeks ÷ 12

Data qualitySelf-entered estimate

Worked calculation

A Singapore starting scenario

0.450 kW is multiplied by scheduled time and the 60% active-runtime assumption. The inputs are examples, not claims about every device. Replace each one with the label, meter reading, schedule, and tariff that apply to you.

Cost = compressor kW × scheduled hours × duty cycle × tariff
Inputs shown

450 W · 10 hours/day · 7 days/week · 60% active

Monthly energy
81.9 kWh
Monthly cost
SGD 28.48
Annual cost
SGD 341.82
Calculated at SGD 0.3478/kWh

Transparent method

The local calculation

Cost = compressor kW × scheduled hours × duty cycle × tariff

The device model stays global. The currency, tariff scope, validity period, and billing cautions come from the Singapore data layer.

Read the methodology →

Before trusting the result

Three checks for Singapore

01

Measure compressor duty after the room stabilises.

02

Model laundry-drying sessions separately.

03

Avoid double-counting dehumidification already provided by air conditioning.

Turn estimates into evidence

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Calculation standards

Visible inputs. Reproducible results.

WhoPowerCost Lab's research desk maintains the formulas, market notes, and worked examples.

HowEnergy, tariff, and behavioural assumptions stay separate so readers can replace one input without hiding the others.

WhyThe page exists to answer an operating-cost decision. Advertising never changes a formula, default, or recommendation.