Debunking dryer balls
Many years ago some bright spark suggested that putting a tennis ball into a dryer would help soften clothes and save you money by reducing drying time. Marketing gurus have cottoned onto this idea and introduced plastic or woollen balls claiming to do the same thing. But do they truly work?
In short, not really. There are marginal differences, but in most cases they increase your costs by a very small percentage. We tested with a conventional electric vented dryer and an upmarket condenser dryer both with and without the balls and compared the two – none made much impact on performance.
So by all means if you want to throw your money towards this product, go ahead, but don't be under any illusion that they'll save you any money with regards to reducing drying time.
Dryer ball results
||Energy used (condenser, kWh)
||Energy used (electric vented, kWh)
||Difference in energy use (condenser, kWh)
||Difference in energy use (electric vented, kWh)
||Cost or savings per run (condenser, $)
||Cost or savings per run (electric vented, $)
||Claims / Conclusion
||Number of balls used
Pacific Air Clothes Dryer balls
|| Costs you $0.004 per run
|| Saves you $0.019 per run
|| Claims faster drying / No faster drying
|| Not stated
Wooly Mates Dryer balls
|| Costs you $0.044 per run
|| Saves you $0.020 per run
|| No claim on drying time made
Ecozone Amazing Dryer balls
|| Costs you $0.033 per run
|| Costs you $0.011 per run
|| Reduce drying time by up to 25% / Increased drying time by 3.9%
|| Not stated
Ms Fix-It Dryer balls
|| Costs you $0.045 per run
|| Costs you $0.019 per run
|| Claims faster drying / Increased drying time by 5.2%
|| Not stated
How did we test?
We compared each of the products with a separate run without dryer balls in each dryer type. We used identical loads and program types. We measured against the final mass and energy usage for the conventional electric vented dryer and we compared against mass, time and electricity with regards to the condenser dryer. We've only displayed energy usage because this is the difference you'll see in your energy bill. We used a 3.5kg IEC cotton load that we use for all our dryer (and washing machine) tests. We based the energy cost calculation on $0.30/kWh.
Electric vented dryer: Simpson 39P400M
Condenser dryer: Miele T8929WP
Don't bother buying these products to save you money by speeding up your drying times and using less energy. Quite simply, they don't work.
Dryer balls also make the claim to make clothes softer, which we haven't tested – but as per our fabric softeners article, you can just give your clothes a flick when they come out of the wash and that should add some air to the fabric.