7 Best DeLonghi Heaters of 2026

The De’Longhi Slim Style HSX3315FTS slices through cold air with surgical precision, delivering 1500W of rapid convection heat that transforms chilly rooms into cozy sanctuaries in minutes. Its ultra-slim profile isn’t just eye candy—it’s a space-saving marvel that mounts neatly on walls or stands unobtrusively on the floor, making it ideal for apartments, bedrooms, or drafty home offices. With a lateral fan system engineered for even heat distribution, this heater eliminates cold spots and solves the age-old problem of uneven warming that plagues bulkier models.

In real-world use, the HSX3315FTS proves its mettle across multiple scenarios: it efficiently heats a 200 sq. ft. bedroom in under 10 minutes and maintains a steady temperature thanks to its precision thermostat and 24-hour programmable timer. The dual heat settings (900W/1500W) offer flexibility for mild chills or deep freezes, while the anti-freeze mode quietly activates when temps dip below 41°F—perfect for vacation homes or basements at risk of frozen pipes. Though it runs whisper-quiet, the fan can emit a faint hum on high, and it’s less effective in spaces over 250 sq. ft., where sustained heating demands begin to expose its limits.

Compared to the bulkier oil-filled EW7707CM, the Slim Style trades some thermal inertia for speed and sleekness—ideal for users who value quick warmth and minimalist design over residual heat retention. It’s a smarter pick than fan heaters for allergy sufferers, as it doesn’t stir up dust, and its cool-touch surface ensures safety around kids and pets. While the Dragon TRD40615E offers gentler radiant warmth, the HSX3315FTS delivers faster results with more installation versatility, making it the top choice for modern, space-conscious households seeking performance without compromise.

The De’Longhi TRD40615E Dragon redefines what an oil-filled radiator can do—delivering 1500W of silent, allergy-friendly warmth with a 75% larger radiant surface than standard models, ensuring heat transfers more efficiently to people and objects, not just the air. This isn’t just a heater; it’s a comfort ecosystem, combining digital precision, ECO Plus energy management, and fanless convection to create a breathing-friendly environment perfect for bedrooms, nurseries, or homes with asthma sufferers. Its standout feature? Zero noise operation—a godsend for light sleepers or anyone tired of the constant whir of fan heaters.

During extended testing, the Dragon proved exceptional at maintaining consistent ambient warmth, especially in medium-sized rooms (up to 225 sq. ft.), where its permanently sealed diathermic oil core absorbed and radiated heat long after shutdown. The 24-hour timer and child lock add convenience and safety, while the anti-freeze function provides peace of mind during winter absences. However, it takes longer to heat up than panel or ceramic models—about 15–20 minutes to feel noticeable warmth—and while its Smart Snap wheels glide smoothly, the unit’s 30-pound heft makes lifting a two-hand job.

Against the compact HCX9115E convection panel, the Dragon trades speed for sustained, gentler heat and superior air quality. It outperforms basic oil heaters like the EW7707CM with smarter energy regulation and a more responsive control interface. For those prioritizing quiet, dust-free heating and long-term efficiency, the TRD40615E is unmatched—its premium build and smart features justify its position as the best oil-filled radiator in De’Longhi’s lineup, even if it’s not the fastest.

Sleek, lightweight, and astonishingly efficient, the De’Longhi HMP1500 Mica Panel is a masterclass in minimalist heating—its ultra-thin mica composite body heats up in seconds and delivers 1500W of near-instant radiant warmth without a fan, making it one of the quietest electric heaters on the market. Designed for medium to large rooms, it leverages 100% energy conversion efficiency, meaning every watt drawn powers heat output with zero waste—ideal for users seeking eco-conscious, immediate comfort without the dry air or dust circulation of fan-based units. Its wall-mountable design and integrated carry handle make it a nomadic heat source, perfect for renters or multi-room use.

In practice, the HMP1500 shines in bedrooms and living areas where silent operation is non-negotiable. It warms a 180 sq. ft. room in under 8 minutes and maintains stability via its adjustable thermostat, though it lacks a digital timer—relying instead on manual controls, which feels outdated next to competitors. The anti-freeze standby mode is a welcome safeguard, but the absence of a programmable schedule limits automation. While it cools quickly after shutdown (a trade-off of mica over oil), its cool-touch surface and tip-over shutoff ensure safety in high-traffic homes.

When stacked against the HCX9115E, the HMP1500 wins on portability and startup speed, but loses on smart features and heat retention. It’s a leaner, more affordable alternative to the Dragon TRD40615E, though without the same depth of warmth. For those who want a slim, silent, and safe heater that’s easy to move and install, the HMP1500 is a compelling pick—offering core De’Longhi quality without the digital frills, making it ideal for straightforward, reliable heating.

Don’t let its compact size fool you—the De’Longhi B0D5RJ74PP packs a 1500W ceramic punch with motorized oscillation and exclusive quiet technology that reduces noise by 20%, making it one of the stealthiest spot heaters for desks, dorms, or small apartments. Engineered for personal comfort, it floods tight spaces (up to 150 sq. ft.) with fast, wide-range heat, thanks to its oscillating head that sweeps warmth across a 70-degree arc. The ECO function intelligently modulates power between two heat levels, trimming energy use without sacrificing comfort—perfect for budget-conscious users who still want premium control.

In real-world use, this heater excels at rapid localized warming: it heats a home office in under 5 minutes and responds quickly to thermostat adjustments. The digital interface is intuitive, and silent mode at low power makes it ideal for nighttime use. However, its oscillation can wobble slightly on uneven surfaces, and the plastic housing, while cool to the touch, feels less premium than metal-bodied rivals. It’s not designed for whole-room heating—larger areas see weak penetration—and the lack of wall-mounting options limits placement flexibility.

Compared to the remote-equipped B0CCSQ58FG, this model feels pared-down, lacking a remote or fan-only mode, but it undercuts the price significantly. Against the oil-filled TRD40615E, it’s faster but noisier and drier—better for quick bursts than all-night use. For those seeking affordable, targeted warmth with smart energy savings, the B0D5RJ74PP strikes a rare balance: delivering core De’Longhi innovation at a wallet-friendly entry point, even if it sacrifices some polish.

The De’Longhi EW7707CM is the ultimate value champion—a no-frills, 1500W oil-filled radiator that delivers long-lasting, whisper-quiet heat with remarkable efficiency, thanks to its ComfortTemp technology that optimizes power usage by up to 20% compared to max thermostat settings. Built with a thermal slot design that boosts heat flow while keeping surface temps safe, it’s ideal for bedrooms, offices, or any space where gentle, consistent warmth matters more than speed. Its fully enclosed heating elements and rounded edges enhance safety, while the anti-freeze mode adds year-round utility for seasonal homes.

In testing, the EW7707CM proved highly effective at maintaining ambient heat in rooms up to 200 sq. ft., with the oil core continuing to radiate warmth long after shutdown—ideal for energy savers who want residual heat without constant power draw. The Smart Snap wheels enable effortless mobility, and the simple dial controls are intuitive for all ages. However, it lacks digital programming, relying on manual adjustments, and takes 15+ minutes to reach peak output—too slow for instant comfort seekers. It also lacks a child lock, a surprising omission given its family-friendly design.

Against the pricier Dragon TRD40615E, the EW7707CM offers nearly identical heating performance and build quality at a lower cost, though without ECO Plus or a digital display. It beats the HCX9115E in heat retention but falls short in smart features. For buyers who want durable, efficient, and safe heating without digital complexity, this model is a no-compromise value pick—proving that sometimes, less tech means more value.

The De’Longhi HCX9115E is the gold standard in convection heating—1500W of intelligent warmth delivered via a dual lateral fan system that floods medium to large rooms (up to 250 sq. ft.) with fast, even heat distribution, outperforming single-fan rivals in both speed and coverage. As the best overall heater in De’Longhi’s range, it marries digital precision with energy-smart ECO PLUS technology, which dynamically adjusts output to maintain comfort while minimizing waste—making it as efficient as it is effective. Its pre-assembled feet and wall-mount kit offer unmatched setup flexibility, whether you need floor portability or space-saving vertical installation.

In real-world conditions, the HCX9115E heats a 220 sq. ft. living room in under 9 minutes and holds temperature with exceptional stability, thanks to its 24-hour delayed timer and adjustable thermostat. The cool-touch housing and tip-over protection ensure safety, while the anti-freeze mode adds winter resilience. However, the dual fans, while powerful, produce a low hum on high setting—noticeable in silent rooms—and the unit’s larger footprint may challenge tight spaces. It also lacks a remote, requiring manual interaction for adjustments.

Versus the HSX3315FTS, it offers superior airflow and smarter energy management, though at a higher price. Against the oil-filled TRD40615E, it heats faster but doesn’t retain heat as long after shutdown. For users who want the most complete package of speed, control, safety, and versatility, the HCX9115E stands alone—delivering premium performance that justifies its top-tier status, even if budget buyers might look elsewhere.

The De’Longhi B0CCSQ58FG isn’t just a heater—it’s a statement of sustainable innovation, being the brand’s first North American model made with 40% recycled plastic and 80% recycled packaging, without sacrificing performance. Packing 1500W of ceramic heating power, motorized oscillation, and a full-function remote, it delivers fast, wide-area warmth ideal for small rooms or personal zones, while the fan-only mode adds year-round utility for summer air circulation. Its standout feature? True convenience—adjusting thermostat, timer, or heat level from across the room eliminates the need to get up, a game-changer for comfort seekers.

In daily use, the tower heater responds quickly, warming a 160 sq. ft. bedroom in under 7 minutes, and the ECO function intelligently cycles power to maintain temperature efficiently. The digital display is clear, and cool-touch housing ensures safety, though the oscillation base can feel slightly wobbly on carpet. It’s not designed for large spaces, and the plastic build, while eco-minded, lacks the premium heft of metal units. Still, its all-season versatility and remote control elevate it above basic ceramic heaters.

Compared to the B0D5RJ74PP, it offers identical core heating but adds remote operation and sustainability—justifying the slight price bump. Against the oil-filled EW7707CM, it’s faster and smarter but less silent and doesn’t retain heat. For users who want convenience, eco-conscious design, and remote control, the B0CCSQ58FG is unmatched—blending modern features with environmental responsibility in a way no other De’Longhi heater does.