
PIQSY verdict
ComfortTemp EW7707CM-6A
The De'Longhi ComfortTemp EW7707CM-6A makes sense for someone who wants traditional oil-filled radiator heat with uncomplicated controls. Choose De'Longhi Radia S if you want a digital panel, ECO controls and a 24-hour timer.
US modelComfortTemp EW7707CM-6A
Best fit
- Fanless radiator routines
- Simple mechanical controls
Skip if
- You want a digital timer
- You need quick aimed warm air
Biggest reason to buy
Oil-filled heat with straightforward mechanical settings suits extended occupied sessions.
Main compromise
Slow initial warm-up and no app or remote controls.
Last checked price
$129.95
Amazon rating
★ 4.4 · 12,963 ratings
Amazon.com snapshot · Nov 3, 2026
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What matters
Why it earns consideration — and why you might skip it.
Decision snapshot
Choose it for
The De'Longhi ComfortTemp EW7707CM-6A makes sense for someone who wants traditional oil-filled radiator heat with uncomplicated controls.
Know before buying
Choose De'Longhi Radia S if you want a digital panel, ECO controls and a 24-hour timer.
Who it fits
The De'Longhi ComfortTemp EW7707CM-6A makes sense for someone who wants traditional oil-filled radiator heat with uncomplicated controls. There is no app to set up or remote to remember. Instead, it combines physical temperature adjustment, three heat levels and a ComfortTemp function designed to maintain a selected comfortable setting.
This is best thought of as supplemental heating for an occupied room over a period of time. Its sealed oil-filled body gradually warms metal surfaces and the surrounding air rather than pushing a concentrated stream from a fan. That can be appealing when you dislike the sound or sensation of forced airflow.
The exact EW7707CM-6A suffix identifies the US 120-volt product. Do not borrow international-voltage instructions or features from another EW7707 version. De'Longhi lists a 1,500-watt maximum for this model.
What changes the decision
Do you prefer fanless heat to a quick jet of warm air?
An oil-filled radiator does not normally produce the immediate sensation of a ceramic heater blowing warm air toward your legs. The metal fins need time to warm up, and the benefit is less directional. If you work at home for several hours, this may be preferable to having a fan blowing across your desk.
If you arrive in a cold room for a brief period, however, a Dreo Tower Heater 718 or compact ceramic heater can direct warmed air toward you more immediately. Neither technology is a universal efficiency winner. Both use electricity to create heat; they deliver that heat in different ways.
Think about when you will feel comfortable, how much room you can give the heater, and whether you prefer still air. The ComfortTemp earns a place on the shortlist when that style of warmth is more important than instant directional comfort.
Does ComfortTemp actually lower your electric bill?
De'Longhi promotes ComfortTemp as automatically selecting temperature and power settings. Its website quotes up to 20% more efficiency, but the brand's comparison is against using the same heater at a maximum thermostat setting without ComfortTemp. It is not a measured claim that this model converts electricity into heat 20% more efficiently than every competitor.
This distinction matters. A thermostat can reduce unnecessary runtime by switching or adjusting power after the selected condition is reached. It cannot create heat energy without electricity. A homeowner running a radiator for fewer hours may spend less, but the same logic applies to sensible thermostat control on other electric heaters.
At a sustained 1,500-watt draw, one hour uses approximately 1.5 kWh. At a sample $0.20 per kWh rate, that would be about $0.30 for an uninterrupted hour. Actual bills depend on the selected mode, cycling, hours and electricity tariff.
Are mechanical controls enough for your routine?
The EW7707CM-6A has three power levels and a mechanical thermostat. You can turn the controls to your preferred setting without navigating a screen. ComfortTemp provides a convenient alternative when you want the heater to manage its operation around the selected setting.
That is particularly useful if you dislike menus or do not expect to adjust the heater from across a room. The trade-off appears when the unit is safely placed far from the couch. You will need to approach it to change settings.
Choose the De'Longhi Radia S TRRS0715E-6A if you want an LED control panel, digital ECO function and a 24-hour timer. Choose a Dreo Oil-filled Radiator 310 if a remote is a priority. More controls aren't automatically better, but they may suit different daily habits.
Will its wheels make it easier to live with?
De'Longhi lists a radiator about 24.9 inches tall, weighing roughly 23.4 pounds, with preassembled Smart Snap wheels and a handle. You can move it between suitable locations when switched off and cooled. That is useful when different rooms need occasional supplemental heat.
However, a wheeled appliance with a hot metal body is not something to push around during operation. Keep it away from walkways, curtains, papers, rugs and upholstered furniture. A wide heater also needs more practical open space than its measurement alone suggests.
The Consumer Product Safety Commission recommends at least three feet from combustible objects, direct wall-outlet connection and switching the heater off before leaving the room or sleeping. If your only floor location is crowded, a radiator is not the correct choice simply because it has wheels.
Which safety protections can you rely on?
The exact manufacturer page describes thermal shutoff and enclosed heating elements. These are useful safety features, but the available exact-model research does not independently confirm a dedicated tip-over switch for the EW7707CM-6A. Do not borrow that protection from the Dragon or another De'Longhi product.
If a documented tip-over mechanism is essential, consider the Dragon TRD40615T-6A and verify its own manual. The absence of a claim is not proof that the ComfortTemp hardware lacks a mechanism; it simply means this research cannot responsibly promise one.
We haven't independently confirmed a third-party safety listing for this exact radiator, or reviewed enough separate US owner experiences to judge its long-term reliability. And easy-to-use controls don't mean the metal body is safe to touch while hot.
How should you clean and store it?
The oil is sealed inside the heater and should not need refilling during ordinary ownership. Turn the unit off, unplug it and allow it to cool before wiping accessible exterior surfaces as the manual directs.
Do not open the oil-filled body or spray cleaner through vents. Check the cord, wheels and accessible body for damage before each heating season. Warranty terms describe repair or replacement coverage, not guaranteed service life.
Owner views
Owner feedback still developing
Owner feedback is still developing, so PIQSY is not presenting a consensus yet.
Who should choose something else
Choose De'Longhi Radia S if you want a digital panel, ECO controls and a 24-hour timer. Choose De'Longhi Dragon if a mechanical panel paired with a programmable timer suits your routine. Choose Dreo Radiator 310 for a remote and digital temperature selection.
Choose a ceramic fan heater if you want heat directed quickly toward your chair rather than gradual fanless warmth. A lower-watt personal appliance fits better when only one small zone needs supplemental heating.
PIQSY conclusion
Choose the ComfortTemp EW7707CM-6A for uncomplicated fanless warmth and its one-touch thermostat convenience. It makes sense during supervised use in a room with plenty of clearance. Skip it when you want remote control, immediate directed heat or a verified energy-efficiency advantage over competing electric heaters.
Technical detail
Specifications
See full specifications
| Product | ComfortTemp EW7707CM-6A |
|---|---|
| US model | ComfortTemp EW7707CM-6A |
| Brand | De'Longhi |
| Special Feature | Full Room Heater |
| Color | White |
| Form Factor | Pedestal |
| Indoor/Outdoor Usage | Indoor |
| Special Features | Full Room Heater |
| Indoor Outdoor Usage | Indoor |
| Power Source | Corded Electric |
| Heating Method | Radiant |
| Recommended Uses For Product | Home |
| Mounting Type | Floor Mount |
| Room Type | Bedroom, Home Office, Study Room |
| Heating Coverage | Small to Medium Spaces |
| Heating Element | Radiant |
| Heat Output | 1500 watts |
| Fuel Type | Electric |
| Number of Speeds | 3 |
| Voltage | 120 volts |
| Amperage | 12.5 A |
| Min Temperature Setting | 44 °F |
| Brand Name | De'Longhi |
| Model Number | EW7707CM |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Warranty Description | 3 years. |
| UPC | 044387707152 |
| Global Trade Identification Number | 00044387707152 |
| Included Components | No |
| Item Type Name | Thermostat, 3 Heat Settings, Energy Saving, Safety Features, Nice for Home with Pets/Kids, |
| Manufacturer | Delonghi |
| Part Number | EW7707CM |
| Item Dimensions D x W x H | 6.5"D x 15.5"W x 27"H |
| Item Weight | 23.2 pounds |
| GTIN | 044387707152 |
Amazon.com technical listing observed Nov 3, 2026. Confirm exact configuration with the manufacturer.
Final decision
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Amazon.com · Checked Nov 3, 2026
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Our research approach
How to interpret the product details.
Our research approach
How to interpret the product details.