2026-09-02
Clothes Dryer Cost Per Load Used: Compare Heat, Time, and Load Size
Quick answer: Calculate the cost of a dryer load from actual energy, gas, maintenance, and equipment use rather than treating a product label or a timed cycle as your household price.
Collect the inputs that change the result
Record completed loads, kWh or therms, energy rate, gas or electric delivery charges, drying time, cycle setting, lint-filter maintenance, repairs, purchase price, useful life, and load weight or fullness. Keep clothing wear and your time as separate non-cash outcomes unless you intentionally value them.
Formula and worked example
effective dryer cost per completed load = (energy + delivery charges + maintenance + allocated equipment cost) ÷ completed loads. If a month has 24 of electricity, 6 of delivery charges, 3 of maintenance, and 27 of equipment allocation across 30 completed loads, the effective cost is 60 ÷ 30 = 2 per load. A 30-minute timer is not automatically half the cost of a 60-minute cycle if the machine, heat, or load results differ.
Compare actual loads and drying settings
Compare a full load, a small load, and a month with sensor-terminated cycles. ENERGY STAR describes Combined Energy Factor as a test metric, while your cost depends on local rates, actual time, moisture, and settings. One towel can use similar time and energy to a fuller load, so compare cost per load with cost per dried pound when load sizes vary.
ENERGY STAR notes that dryer efficiency and cycle time are measured under defined conditions and that higher CEF indicates better tested efficiency. Do not copy its savings examples as your own result, assume gas and electric rates are interchangeable, or promise that heat-pump drying pays back without purchase price and usage evidence.
Common mistakes and related guides
For related completed-use costs, compare the laundry guide, dishwasher guide, electricity guide, natural gas guide, and refrigerator daily-cost guide.
If monthly cost rises, compare loads, moisture, settings, time, and rates before blaming the appliance. Check the filter and maintenance, and do not use the product annual estimate as your actual cost per load.
Frequently asked questions
Does a higher CEF guarantee a lower cost per load?
No. CEF is a standardized efficiency metric, while your result changes with rates, load size, moisture, time, settings, and fixed charges. Compare your own completed loads and billing period.
When should I recalculate?
How do I calculate dryer cost per load? Add the energy and delivery charges used for the period, plus a defensible share of maintenance and equipment cost, then divide by completed loads. Recalculate when rates, cycle settings, load size, drying time, or repairs change.
Source reading: ENERGY STAR clothes dryer criteria and CFPB spending assessment. ENERGY STAR and CFPB provide consumer context for checking actual costs; they do not set a universal household price or guarantee savings.