Air Purifier Electricity Calculator in Maryland

Use this appliance electricity calculator to estimate air purifier operating cost in Maryland using typical wattage and runtime assumptions tied to the statewide residential electricity rate.

Maryland average rate
35.85 ¢/kWh
Assumed wattage
50 W
Typical usage pattern
8 hours/day
Typical monthly cost
$4.30
Typical yearly cost
$52.34

Key metrics

MetricValue
Maryland average rate35.85 ¢/kWh
Assumed wattage50 W
Typical usage pattern8 hours/day
Typical monthly cost$4.30
Typical yearly cost$52.34

Air Purifier in Maryland vs U.S. benchmark

Maryland monthly estimate
$4.30
U.S. monthly estimate
$2.28
Difference
+$2.02
State rate
35.85 ¢/kWh

Calculator assumptions

This calculator uses a typical wattage range of 25-100 W, with a standard working assumption of 50 watts for 8 hours/day. The formula is kWh = (watts × hours) / 1000.

At this profile, the appliance uses 12.0 kWh per month and 146.0 kWh per year in the model.

Appliance calculator scenarios

ScenarioHours/dayAnnual energyMaryland monthlyU.S. monthlyMaryland yearly
Light usage4 hours/day73.0 kWh$2.15$1.14$26.17
Typical usage8 hours/day146.0 kWh$4.30$2.28$52.34
Heavy usage12 hours/day219.0 kWh$6.45$3.43$78.51

Appliance cost reference page

The dedicated appliance page below uses the same statewide rate and wattage assumptions in a longer-form layout. This calculator stays focused on quick hour-profile comparisons.

More comparison links

Browse related comparisons from the energy comparison hub without leaving the calculator context.

City electricity context for Maryland

For local context, published city electricity pages complement this calculator. Links below are optional local references and do not change the statewide calculator math.

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Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: March 2026. Estimates are energy-only and exclude delivery charges, taxes, and fixed utility fees. For how rates and estimates are defined, see the methodology hub.

Disclaimers

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