UK Head-to-Head · Heating
Dyson Hot+Cool vs De'Longhi Dragon 4: Best Heater UK 2026
The short answer
Dyson wins for versatility and modern design; De'Longhi wins for value.
Best on features
Dyson Hot+Cool AM09
Best on value
De'Longhi Dragon 4 TRD40820T
Disclosure: As an Amazon Associate I earn from qualifying purchases. This comparison contains Amazon affiliate links, and we may earn a commission — but it never changes our verdict.
UK buyers often face a stark choice between premium and budget heating solutions. The Dyson Hot+Cool AM09 represents cutting-edge design with dual heating and cooling in one bladeless device, commanding premium pricing. The De'Longhi Dragon 4 TRD40820T offers no-frills heating via oil-filled radiator technology, ideal for spot heating bedrooms or offices. Both are bestsellers on Amazon UK, but they serve different buyer personas: tech-forward home improvers versus cost-conscious renters and budget households. British winters demand reliable heating, especially in older properties with poor insulation. With energy costs a major concern for UK households, efficiency ratings and running costs have been key factors in our selections.
Specs Comparison
| Spec | Dyson Hot+Cool AM09 | De'Longhi Dragon 4 TRD40820T |
|---|---|---|
| Heating Power | 1.5 kW | 2.0 kW |
| Cooling Mode | Yes (air multiplier fan) | — |
| Oscillation | 72-degree auto-oscillation | — |
| Remote Control | Yes, with sleep timer | — |
| Oil-Filled Radiator | — | Yes (4 columns) |
| Thermostat | — | Adjustable with 3-level settings |
| Portability | — | Wheels and carrying handle |
Pros & Cons
Dyson Hot+Cool AM09
Pros
- Dual-function: heats and cools year-round
- Bladeless design is safer for homes with pets and children
- Quiet operation and modern aesthetics
- Precise thermostat and sleep timer controls
- Energy-efficient for premium segment
Cons
- Very high upfront cost (5–6× De'Longhi)
- Electricity consumption higher than oil heaters in prolonged use
- Takes time to heat large rooms compared to oil radiators
De'Longhi Dragon 4 TRD40820T
Pros
- Lowest cost option — budget-friendly heating for renters and students
- Powerful 2 kW output heats small–medium rooms quickly
- Oil-filled design retains warmth, reducing energy waste
- Quiet operation, portable with wheels
- No electronics to fail — mechanical thermostat is durable
Cons
- Heating only — no cooling function
- Bulky and heavy (17 kg), limits placement flexibility
- Slower to heat than fan heaters initially
- Thermostat dial less precise than digital controls
Our Verdict
Dyson wins for versatility and modern design; De'Longhi wins for value. Choose Dyson if you want air cooling + heating year-round; choose De'Longhi if you need reliable, affordable winter heating without frills.
Best for Budget
De'Longhi Dragon 4 TRD40820T
Best for Features
Dyson Hot+Cool AM09
Our process
How do we choose our picks?
We don’t lab-test products ourselves. Instead we synthesise current Amazon UK listings and published specs into clear, honest recommendations. We earn a commission if you buy through our links, but that never changes which products we rank.
Current UK availability
We check each pick against live Amazon UK catalogue data rather than last year’s model lists. Stock moves fast, so a listing can sell out after we publish.
Published specs
We compare manufacturer specifications so each pick is right for a real budget and use-case.
UK-specific fit
We factor in UK voltage and plug/fitting standards — details that generic global lists miss.
More about our standards on the About page.
Buying Guide
- 1Calculate your room size in square metres — undersized heaters waste electricity by running constantly without reaching target temperature
- 2Check running costs at the Ofgem cap rate (26.32p/kWh, 1 October – 31 December 2026) — a 2kW heater costs about 53p per hour, so a thermostat that auto-cuts is essential
- 3Dyson models double as fans and purifiers — worth the premium if you want year-round use rather than a seasonal appliance
- 4De'Longhi oil-filled radiators retain heat after switching off, reducing total energy use — better for overnight heating in bedrooms
- 5Verify the safety certifications — look for BS EN 60335 compliance and a tip-over switch, especially if you have children or pets
Editor's Note
For UK buyers on the Ofgem cap rate (26.32p/kWh, 1 October – 31 December 2026), running costs are identical for both units since they consume similar wattage. Unless you genuinely need a fan cooler in summer, the De'Longhi is the rational choice. The Dyson only makes financial sense if it replaces both a separate heater and a cooling fan.
Our Take
Both cost exactly the same to run per hour at UK electricity rates because they're both 2kW heaters converting electricity to heat at 100% efficiency — anyone claiming otherwise doesn't understand physics. The Dyson's advantage is air purification and summer cooling, making it a year-round device rather than a heater gathering dust for 7 months. The De'Longhi is the better pure heater — it retains warmth longer after switching off, which means lower running costs in practice. Currys stocks both.
Honourable Mentions
Questions & answers
Frequently asked questions
Is Dyson or De'Longhi heater cheaper to run in the UK?
Are oil-filled radiators safe to leave on overnight UK?
Does the Dyson Hot+Cool actually heat a room?
What is the most energy efficient heater for a UK home?
Further Reading
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. This comparison contains affiliate links. If you purchase via our links, UKPicks may earn a commission at no extra cost to you. This does not influence our rankings.