Running costs for a heated airer and a tumble dryer differ significantly
The core question for any UK homeowner is which appliance costs less to run per load. The difference is substantial, driven by a large gap in power consumption. A standard vented or condenser tumble dryer draws 2,000–3,000 watts and uses around 4.5 kilowatt-hours (kWh) per full cycle, according to Energy Saving Trust testing (Energy Saving Trust, 2026). A typical heated airer, by contrast, draws 200–300 watts and uses roughly 0.45 kWh per full load.
At the January 2026 Ofgem price cap default tariff rate of 24.5 pence per kWh (Ofgem, 2026), a tumble dryer cycle costs approximately £1.10. A heated airer cycle costs approximately £0.11 at the same electricity rate. That is a 90% reduction in energy cost per load, based on typical appliance wattages and the current price cap.
These figures assume a full mixed-fabric load. Heavier items or partial loads will shift the cost slightly, but the ratio between the two appliances remains consistent because the power draw difference is so large.
Heated airers are cheaper per load, but tumble dryers dry faster
The trade-off is time. A tumble dryer completes a full load in 60–90 minutes, using high heat and forced air. A heated airer typically takes 4–6 hours to dry a full load of mixed fabrics, based on Energy Saving Trust product testing (Energy Saving Trust, 2026). For a single load, the tumble dryer uses more energy in a shorter time; the heated airer uses less energy over a much longer period.
The cost gap widens if you run the heated airer during off-peak electricity hours. On an Economy 7 or time-of-use tariff, off-peak rates can be up to 50% lower than the standard rate, according to Ofgem data on typical tariff structures (Ofgem, 2026). That could reduce a heated airer load cost from £0.11 to about £0.06. A tumble dryer cannot easily exploit off-peak rates because its cycle is too short to shift entirely into a night window.
However, the heated airer requires a warm, ventilated room. In winter, drying indoors without adequate ventilation can raise indoor humidity, potentially increasing heating costs or leading to condensation issues. The tumble dryer vents moisture outside or collects it in a condenser, avoiding that problem.
Quick numbers cost and energy comparison per load
| Item | Tumble dryer | Heated airer |
|---|---|---|
| Typical power rating | 2,000–3,000 W | 200–300 W |
| kWh per full load | 4.5 kWh | 0.45 kWh |
| Cost per load (24.5p/kWh) | £1.10 | £0.11 |
| Time to dry | 60–90 min | 4–6 hours |
| Source | Energy Saving Trust | Energy Saving Trust, manufacturer specs |
These figures are based on a full mixed-fabric load. Thick items like towels or jeans may require a longer heated airer cycle or a second run, increasing the cost to perhaps £0.15–£0.20 per load. Tumble dryers handle thick items more efficiently in a single cycle.
The direct answer is a heated airer cheaper to run?
Yes. A heated airer costs roughly 90% less per load than a tumble dryer, based on typical Energy Saving Trust wattage figures and the Ofgem price cap rate. A household drying three loads per week saves about £155 per year by switching from a tumble dryer to a heated airer (£171.60 vs £17.16 annually).
However, the heated airer requires more time and space. It may not dry thick items like towels or jeans as thoroughly without additional airing. If you need a dry item within two hours, the tumble dryer remains the only practical option. The heated airer is best suited to households that can plan drying ahead, have a spare room or well-ventilated area, and want to minimise energy bills.
Note that the £155 saving assumes you already own both appliances and are choosing which to use. If you are buying new, a heated airer costs £40–£150, while a tumble dryer costs £200–£800. The upfront cost difference narrows the long-term saving, but the heated airer still pays back its purchase price in energy savings within one to two years for a typical household.
Eligibility for the heated airer who qualifies for grants or support
No national UK grant specifically covers the purchase of a heated airer. The Great British Insulation Scheme closed on 31 March 2026. It funded insulation measures only and never covered windows or glazing. Heated airers are not listed as a qualifying measure under the Energy Company Obligation (ECO) scheme rules (Ofgem, ECO4 scheme rules, 2026).
Homeowners on means-tested benefits such as Pension Credit, Universal Credit, or Income Support may qualify for a free or subsidised energy-efficiency assessment through their energy supplier. That assessment could identify other savings opportunities, such as draught-proofing or radiator reflectors, but it will not fund a heated airer (GOV.UK, eligibility checker, 2026).
The cost of a heated airer is typically out-of-pocket. Some local authorities offer small energy-saving grants for low-income households, but these rarely cover appliances under £100. Check your local council’s website for discretionary schemes.
How to verify an installer for a tumble dryer or heated airer
A heated airer plugs into a standard 13A socket and does not require certified installation. Any homeowner can use it without professional help. For tumble dryers, hard-wired installation must be done by a registered electrician certified by NICEIC or NAPIT, in line with Part P of the Building Regulations (GOV.UK, Part P guidance, 2026).
For tumble dryer venting or condenser maintenance, check the manufacturer’s service network. No specific UK certification body is required for routine maintenance, but any electrical work must be carried out by a registered electrician from the NICEIC or NAPIT register (GOV.UK, find a registered electrician, 2026).
If you are replacing a tumble dryer with a heated airer, no electrical work is needed. Simply unplug the dryer and plug in the airer. This makes the heated airer a zero-installation option for most homes.
Key factors that affect total cost in real-world use
Frequency of use is the largest variable. A household drying five loads per week spends £28.60 per year with a heated airer versus £286 per year with a tumble dryer, based on Energy Saving Trust figures and the Ofgem rate. That is a saving of £257.40 annually for heavy users.
Electricity tariff matters. Time-of-use tariffs such as Economy 7 or Octopus Agile can cut heated airer running costs by 30–50% if run overnight. Off-peak rates are typically 12–15 pence per kWh, compared to the standard 24.5p (Ofgem, typical off-peak rates, 2026). The tumble dryer cannot easily exploit this because its cycle is too short to shift entirely into a night window.
Drying time and space requirements affect real-world costs. Heated airers need a warm, ventilated room. In winter, drying indoors without adequate ventilation can raise indoor humidity, potentially increasing heating costs or leading to condensation. The Energy Saving Trust recommends using a heated airer in a room with an open window or extractor fan (Energy Saving Trust, best practice, 2026).
Lifespan also matters. A typical heated airer lasts 3–5 years, based on manufacturer warranties and Which? consumer surveys. A tumble dryer lasts 8–12 years. Over a ten-year period, you may need to replace a heated airer two or three times, adding £80–£450 to the total cost. The tumble dryer may need one replacement or repair. Factoring in replacement costs, the heated airer still saves money for most households, but the margin narrows if you dry fewer than two loads per week.
