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Low-Energy Living

The Clothesline Savings Calculator: What Air-Drying Really Saves

Cream linen and kitchen towels drying on an outdoor clothesline

What this guide answers

Estimate annual dryer electricity avoided using your own loads, utility rate, and line-drying percentage.

Bottom line

Air-drying saves the electricity your dryer would otherwise use. The amount depends on loads per week, energy consumed per load, your electricity price, and the percentage of loads you air-dry. Use the calculator with your utility rate and appliance information instead of relying on a universal savings claim.

Print a clean copy or save it as a PDF for the kitchen.

The formula

Estimated annual savings equals weekly loads multiplied by 52, multiplied by dryer kilowatt-hours per load, multiplied by your electricity price, multiplied by the share of loads you air-dry.

For example, five weekly loads, 3 kWh per load, a $0.17/kWh rate, and 60 percent air-drying produce an estimate of about $80 per year.

Use your own numbers

Electricity prices vary by location and plan. Dryer energy use also varies by model, cycle, load size, moisture level, and maintenance. Look for an EnergyGuide label, manufacturer documentation, a plug-in energy monitor where appropriate, or a utility estimate.

When line-drying is most practical

The habit is easiest to sustain when it is selective. Air-dry towels, sheets, or lightweight garments when the weather is suitable, and use the dryer when humidity, allergies, housing rules, or time make line-drying impractical.

Efficiency still matters when using a dryer

Keep the lint filter and vent clear according to manufacturer instructions, avoid over-drying, use moisture-sensing cycles when available, and spin clothes thoroughly in the washer. The U.S. Department of Energy notes that efficient dryers and moisture sensors can reduce energy use.

Frequently asked questions

How much does a clothesline save per year?

There is no reliable universal amount. Enter your own weekly loads, dryer energy use, utility rate, and air-drying percentage into the calculator.

Does air-drying make clothes last longer?

Avoiding high heat and tumbling may reduce some wear, but fabric type, sunlight, drying method, and handling all matter. Follow garment care labels.

Sources and further reading

This article may use AI-assisted research organization and drafting. Claims involving safety, energy, or household costs are checked against the named sources above. Read about the founder and our editorial standards.