Best High Speed Fireplace Heater of 2026 for Fast Supplemental Heat

The ZAFRO 22-inch electric fireplace stove is a freestanding supplemental heater styled after traditional wood stoves. Designed primarily for indoor living areas, bedrooms, home offices, and rental apartments, it offers the visual charm of a hearth without requiring a chimney, gas connection, or structural modifications. Homeowners and renters looking to add focal-point warmth to a single room can position this compact appliance near a standard household electrical outlet.

Heating performance is driven by two selectable power levels: a 1000-watt low setting and a 1500-watt high setting. At full capacity, the manufacturer lists a heat output of up to 5,100 BTU, stating that warmth can be felt within 3 to 5 minutes of activation. The stove also features an independent 3D flame effect with adjustable brightness ranging from dim to bright. Because the visual display functions with or without the heater engaged, the unit can provide ambient firelight throughout the year regardless of seasonal temperatures.

In terms of physical design, the appliance measures 15.35 inches wide, 9.45 inches deep, and 22.28 inches high. It carries a classic vintage silhouette in an ebony black finish, complete with transparent front glass viewing windows, simulated log accents, and decorative door styling. To address stability, the base is fitted with outwardly expanding legs that widen the contact area on the floor, helping minimize tipping hazards during regular use.

Installation and daily operation are straightforward because the freestanding unit requires no venting or flue connections. Setting up the stove primarily involves positioning it on a flat, level surface and ensuring adequate clearance from combustible furnishings, drapes, and high-traffic pathways. For operational safety, the stove incorporates an internal overheat protection sensor that automatically cuts power if internal operating temperatures rise beyond normal limits. Routine upkeep is minimal, requiring only occasional dusting of the smooth exterior with a soft cloth while the unit is completely powered off and cool.

Potential buyers should consider a few practical limitations. The product documentation does not detail an included remote control or a digital programmable thermostat, indicating that adjustments to power and flame brightness are handled via manual onboard controls. Additionally, while the 5,100 BTU output is well-suited for supplemental zone heating in localized living areas, it cannot replace a central furnace or function as a primary heating system for a whole house.

For residents seeking an affordable, vintage-styled focal point that delivers supplemental heat on demand, the ZAFRO electric fireplace stove represents a functional and adaptable option. Buyers should verify their intended placement against the manufacturer clearance guidelines and ensure a dedicated electrical circuit is available for high-wattage operation.

This freestanding stove features an overall footprint measuring 15.35 inches in width, 9.45 inches in depth, and 22.28 inches in height. These compact proportions make it suitable for smaller living rooms, guest bedrooms, and apartment zones where space is limited.

The base features outwardly flared legs designed to provide a wider footprint for enhanced stability. Because it is completely freestanding, no structural framing or mantel recess is necessary, though users should ensure sufficient clearance from nearby walls, furniture, and curtains according to the owner manual.

The ZAFRO fireplace stove operates on standard electric power and features two distinct heat settings at 1000 watts and 1500 watts, producing up to 5,100 BTU of supplemental heat. Users can select between these two levels depending on their heating needs and energy considerations.

The 3D dancing flame display includes adjustable brightness control from dim to bright and functions independently of the heating element. Built-in overheat protection continuously monitors internal temperatures, automatically shutting off the unit to prevent thermal overload.

The Techni Home Electric Fireplace Heater is a compact, freestanding heating appliance designed to provide supplemental warmth and traditional stove aesthetics without the venting, gas plumbing, or masonry work required by traditional hearths. This style of electric fireplace often appeals to apartment dwellers, renters facing property restrictions, and homeowners who want to add the visual charm of flickering flames to a bedroom, home office, or secondary seating area without undertaking a permanent renovation.

Operating on standard electrical power, the unit features a 1500-watt wire heating element with two primary heat settings labeled low and high. This allows users to dial back energy draw when only mild warmth is needed or engage the full 1500 watts for brisk mornings. Crucially for ambiance-driven buyers, the realistic LED flame effect can run independently of the heater, making it possible to enjoy the visual appeal of a hearth during warm spring and summer evenings without generating unwanted heat.

The physical design emphasizes visibility and portability, measuring 8 inches deep, 14 inches wide, and 19 inches tall, with an overall weight of just 7.75 pounds. Unlike conventional front-facing electric stoves, this model incorporates three-sided viewing windows. This panoramic perspective lets occupants appreciate the glowing ember bed and flame effect from multiple angles in a room, whether the heater is placed against a flat wall, near a reading chair, or tucked into an unused corner.

Setting up the appliance is straightforward since it requires no chimney, flue, or wall bracket installation. Because it is an electrical appliance, placement should follow basic safety guidelines, including maintaining adequate clearance from curtains, bedding, upholstered furniture, and other combustible materials. The unit comes equipped with internal overheat protection that automatically shuts off the heating element if temperatures exceed safe internal thresholds, helping prevent hazards during extended operation.

Potential buyers should keep realistic expectations regarding control features and heating coverage. The product data does not list a remote control, digital display, programmable timer, or precise thermostat dial, meaning adjustments must be made manually at the unit. Additionally, a 1500-watt wire element is engineered strictly for supplemental zone heating rather than serving as a primary heat source for an entire home or large open-concept floor plan.

For shoppers looking for an affordable, lightweight fireplace alternative that balances visual warmth with portable space heating, the Techni Home 1500W heater offers strong utility. Its three-sided viewing windows and year-round flame operation make it an attractive supplemental heating option for cozy apartments, private offices, or seasonal cabins where permanent fireplace construction is impractical.

With exterior dimensions of 8 inches deep, 14 inches wide, and 19 inches high, this freestanding stove features an exceptionally compact footprint. Its modest size makes it suitable for small apartments, dorms, home offices, and cozy bedroom nooks where floor space is limited.

Weighing only 7.75 pounds, the unit is simple to lift and reposition as your heating needs shift from room to room. Its three-sided window configuration provides wide viewing angles, making it visually appealing whether placed along a wall or angled in a corner.

This electric fireplace utilizes a durable wire heating element capable of producing up to 1500 watts of supplemental heat. It offers two distinct operational levels, low and high, allowing you to manage output depending on seasonal chill.

The integrated LED flame effect operates independently from the heater. This feature allows you to display glowing visual embers throughout the warmer months without engaging the heating element, extending the decorative utility of the unit all year.

As a completely freestanding electric heater, this model requires no chimney venting, flue pipes, gas connections, or structural modifications. Setup consists simply of placing the unit on a stable, level surface and plugging it into a compatible standard electrical outlet.

Safety is supported by an internal overheat protection feature, which triggers an automatic shutoff if the internal components reach unsafe temperatures. As with any high-wattage electric space heater, maintain open clearance around the intake and exhaust vents and keep combustibles at a safe distance.

The Duraflame Freestanding Electric Fireplace Stove Heater combines the classic look of a wood stove with modern infrared heating technology. This freestanding unit is designed to provide supplemental warmth and a cozy ambiance in spaces up to 1,000 square feet. It is an excellent choice for homeowners, apartment residents, RV owners, and anyone wanting to add a touch of cabin comfort to a living room, bedroom, home office, or basement.

Heating performance is centered around its infrared quartz element, which warms objects and people directly without overheating the air. Many users appreciate how the heat feels natural and maintains consistent temperatures without the dry, stuffy feeling of forced-air heaters. The adjustable thermostat lets you set your preferred warmth, and the unit can be used on its own or as a supplement to central heating to reduce energy costs during winter months.

The 3D flame effect is a standout feature, with realistic glowing logs and an adjustable brightness dial that mimics the look of a real fire. You can operate the flames with or without heat, making it perfect for year-round enjoyment. The independent controls allow you to set the temperature and flame intensity separately, so you can create a calming atmosphere even when heating is not needed.

Build quality appears solid, with a durable metal cabinet finished in black. The design includes side viewing windows and a front glass door that actually opens, adding to the authenticity. A brick-style back panel completes the classic stove look. The unit is portable at 28.6 pounds, with a compact footprint (13.07 x 24 x 23.4 inches), making it easy to move from room to room or take along in an RV or cabin.

Setup is straightforward: simply remove from the box, place on a level surface, and plug into a standard outlet. The heater operates quietly, suitable for bedrooms or offices, though some users note a soft fan hum on higher settings. Safety features like overheat protection and a cool-touch exterior are typical for this type of heater, providing peace of mind. A potential limitation is the lack of a remote control, which means you'll need to get up to adjust settings. Also, the cord length may require careful placement near an outlet.

Overall, the Duraflame Freestanding Electric Fireplace Stove Heater offers an appealing blend of rustic charm, effective supplemental heating, and realistic flame effects. It is well-suited for those who want to warm a single room without raising the whole house's thermostat, or for anyone who loves the look and feel of a real fire without the mess. Its portability and flexible controls make it a practical addition to any cozy home setup.

The Duraflame electric stove uses infrared quartz heating to warm people and objects directly, providing comfortable, even heat without excessive noise or air circulation. The heater covers up to 1,000 square feet, making it suitable for large living rooms, open-plan apartments, or basement spaces. The adjustable thermostat allows you to set a specific temperature, and the unit will cycle on and off to maintain that level, helping to save energy when used as a supplemental heater. Many homeowners find that using this stove in the room they occupy most allows them to lower the central thermostat, reducing overall heating bills. The heat output is steady and does not produce the dry air often associated with fan-forced heaters, which is a plus for those with allergies or dry skin.

The 3D flame technology creates a remarkably lifelike fire with glowing logs and an adjustable brightness setting. You can choose from multiple brightness levels to match your mood, from a bright, cheery fire to a soft, calming glow perfect for a nightlight. The flames can be operated independently of the heat, so you can enjoy the cozy ambiance in the summer or on milder days without warming the room. The side windows and opening front door enhance the realism, allowing you to see the faux logs and flames from multiple angles. This feature is especially appreciated by families looking to create a focal point in a living room or bedroom without the mess or maintenance of a real wood fire.

The Duraflame Freestanding Electric Fireplace Stove Heater brings a classic cast-iron stove look to modern homes, blending charm with practical infrared heating. This freestanding unit features side viewing windows, a glass door that actually opens, and a brick-style back panel, making it a decorative addition to any living room, bedroom, or apartment. It's designed for homeowners, apartment dwellers, RV owners, and anyone seeking supplemental warmth without cranking up the central heat.

Heating performance is driven by infrared technology, which warms objects and people directly rather than just the air. The unit covers up to 1,000 square feet, making it suitable for open-concept spaces, large living rooms, or basement family rooms. Many users appreciate the ability to lower their thermostat and use this heater only where needed, potentially saving on energy bills. The adjustable thermostat lets you dial in your preferred temperature, and the flame dial customizes the visual intensity.

The 3D flame effect is a standout feature, with glowing logs and realistic flames that create a cozy cabin atmosphere. You can run the flames independently of the heat, so you get the ambiance year-round without adding warmth in summer. Brightness levels can be turned down for a soothing nightlight effect. This flexibility makes it great for movie nights, winter evenings, or simply relaxing with a favorite beverage.

Build quality feels solid for a portable unit, weighing 28.6 pounds with dimensions of 24 x 13.07 x 23.4 inches. It's easy to move from room to room thanks to its freestanding design. Setup is straightforward: just plug it into a standard outlet and enjoy. There's no venting or installation required, which is ideal for renters or RV owners. The heater operates quietly, though you may notice a low fan hum as the heat circulates. Safety features include overheat protection, making it family-friendly.

One realistic limitation is the cord length, which may restrict placement options in some rooms. Also, while the infrared heat is effective, it works best when directed toward the area you're occupying. The fan noise, while minimal, might be noticeable in a very quiet bedroom. Overall, this stove heater excels as a supplemental heating solution that doubles as a decor piece.

For anyone looking to add warmth and charm to their home without high installation costs, the Duraflame Freestanding Electric Fireplace Stove Heater is a practical choice. It's especially well-suited for apartments, RVs, living rooms, and bedrooms where a cozy focal point is desired. The combination of realistic flames, adjustable heat, and portability makes it a versatile addition to any indoor space.

The Duraflame 3D Infrared Quartz Electric Fireplace Stove Heater is a stylish and functional addition to any home seeking supplemental warmth with a cozy visual appeal. This freestanding unit combines a black metal body with an arched picture window, giving it a classic stove look that fits well in living rooms, bedrooms, home offices, or even RVs. It operates on a standard 120V outlet and requires no venting or gas lines, making it an easy plug-and-play solution for zone heating.

With a 5,200 BTU output, this heater can cover up to 1,000 square feet as a supplemental source. It's best suited for smaller to medium-sized rooms where you want to take the chill off without cranking up the central heating. Apartment dwellers will appreciate the infrared quartz technology, which keeps more natural humidity in the air compared to traditional forced-air heaters. This means less dry skin and static electricity, making it a great choice for bedrooms or living areas where comfort matters.

The standout feature is the patent-pending 3D flame effect. Unlike many electric fireplaces that use a simple LED projection, Duraflame's technology creates flames that appear to dance realistically on and behind the logs. You can adjust the brightness across five levels, and the flame effect can be used independently of the heat - so you can enjoy the ambiance year-round, whether it's a summer evening or a winter night. The adjustable thermostat lets you set your desired temperature, and the heater will cycle on and off to maintain that level, helping you save energy.

Setup is straightforward: just attach the four legs, plug it in, and you're ready. The unit is lightweight at just over 15 pounds, so you can move it from room to room as needed. It also comes with a remote control for convenient operation from across the room, which is handy for adjusting the thermostat or flame brightness without getting up. Safety features include automatic overheat protection and a cool-touch exterior, making it safe around children and pets.

Realistically, this heater is not designed to be the primary heat source for a large home. It excels as a supplemental heater - perfect for taking the edge off a chilly bedroom, warming up a drafty home office, or adding comfort to a basement media room. Some users may notice a low fan noise when the heat is on, but it's generally quiet enough for background use. Additionally, the power cord is about 5 feet long, which could limit placement in some layouts, but an extension cord (if rated properly) can solve that.

Overall, the Duraflame 3D Infrared Quartz Stove Heater is a solid choice for anyone looking to enhance their home's comfort with both warmth and ambiance. It's particularly well-suited for apartment dwellers, small home owners, and RV enthusiasts who want an easy, no-vent setup. The combination of realistic flames, infrared heat, and simple controls makes it a practical and visually appealing addition to any cozy indoor space.

The infrared quartz heating element in this Duraflame stove works by warming objects and people directly, rather than just circulating hot air. This results in a more consistent, comfortable warmth that doesn't create drafts or stir up dust. The 5,200 BTU output is adequate for rooms up to 1,000 square feet as supplemental heat, but performance will vary based on ceiling height, insulation, and outside temperatures. Many homeowners find it perfect for taking the chill out of a 12x12 bedroom or a 15x15 living room. The adjustable thermostat allows you to set a target temperature, and the heater will automatically maintain that level, which can help reduce energy costs by allowing you to lower central heating in the rest of the house.

Duraflame's patent-pending 3D flame effect is a highlight of this model. Unlike older electric fireplaces that use simple light reflections, this technology creates layers of flame patterns that move and flicker more naturally behind the log set. You can choose from five brightness levels to suit your mood or room lighting. The flames can be operated with or without heat, giving you year-round ambiance. The effect is convincing enough to draw compliments from guests and provides a relaxing focal point for movie nights or quiet evenings.

The RealSmart 22-Inch Freestanding Electric Fireplace Stove is a compact supplemental heating appliance designed for indoor residential spaces. Styled with a classic stove profile and a three-sided viewing window, it appeals to renters, apartment dwellers, and homeowners seeking the cozy visual appeal of a hearth without the complex venting, gas lines, or masonry work required by traditional fireplaces. Its lightweight design and four support legs make it straightforward to place in living rooms, home offices, or guest bedrooms where localized warmth and fireside character are desired.

Heating performance is driven by three infrared quartz heating elements capable of generating up to 5,118 BTUs of heat output. The unit operates on standard 120V household electricity at 60Hz and offers two operational modes at 1,000 watts and 1,500 watts. Because infrared technology warms objects and occupants directly rather than simply circulating dry ambient air, it helps maintain natural indoor humidity levels. Visually, the stove utilizes resin logs and an ember bed to simulate a 3D rolling flame. The flame display features four adjustable brightness levels and can be operated independently of the heating function, allowing year-round fireside ambiance.

Operating the stove is managed either through onboard controls or the included remote control. Users can set an adjustable thermostat between 50 degrees Fahrenheit and 90 degrees Fahrenheit to maintain a comfortable baseline temperature, as well as set an automatic shut-off timer anywhere from 1 to 12 hours. For indoor safety, the fireplace is TUV-certified for North America and includes built-in protection mechanisms: an automatic overheat sensor shuts off power if internal temperatures spike, while an integrated tip-over switch cuts electrical supply if the unit is accidentally knocked over. The operating noise level remains under 48 decibels to avoid disrupting conversations, television viewing, or sleep.

Measuring roughly 15.75 inches wide, 9.06 inches deep, and 21.65 inches high, this stove features a compact footprint suitable for tight corners, small hearth extensions, or freestanding floor locations. Weighing between 10.5 and 12.6 pounds, the appliance is easily repositioned between rooms as heating needs change. When planning placement, buyers must verify clear access to a grounded 120V standard electrical outlet and ensure adequate clearance from combustible furnishings, curtains, and bedding, keeping air intakes and heat discharge vents unobstructed at all times.

This freestanding electric stove serves best as a targeted supplemental heat provider and decorative hearth feature rather than a replacement for primary central heating. While the manufacturer specifies a 5,118 BTU output, overall thermal comfort will depend on ceiling height, room insulation, and local climate. For buyers seeking an attractive three-sided flame presentation, quiet operation, and adjustable heat settings with standard plug-in convenience, this RealSmart fireplace represents a practical, low-maintenance option for seasonal comfort.

The RealSmart electric fireplace provides flexible control options through both onboard controls and a convenient remote control. Users can select between two heat output stages at 1,000 watts and 1,500 watts, tailoring electrical draw to comfort requirements.

An integrated digital thermostat lets occupants set temperatures ranging from 50 to 90 degrees Fahrenheit, cycling the heating elements to maintain the desired comfort level. A built-in timer can be scheduled from 1 to 12 hours for automated shut-off, making it well suited for overnight use in bedrooms or timed sessions in home offices.

The decorative 3D rolling flame effect includes four distinct brightness settings. Because the visual display functions independently of the heating elements, the fireplace stove can be enjoyed strictly for ambiance during warmer months without generating unwanted heat.

Featuring an exterior footprint of 15.75 inches in width, 9.06 inches in depth, and 21.65 inches in height, this 22-inch stove is designed to fit comfortably in compact living quarters. Its modest size makes it an adaptable accent for hearth extensions, alcoves, or flat floors against interior walls.

With a portable weight of around 10.5 to 12.6 pounds, the unit can be lifted and repositioned by a single adult. Four sturdy support legs elevate the firebox off the floor surface, providing steady footing across flat, level indoor flooring.

Owners should ensure ample clearance around the top, sides, and front of the fireplace to allow unhindered air circulation and heat dispersal. Always keep combustible materials such as blankets, rugs, and drapery safely distanced from the heating discharge zone.

The Silonn 24-inch electric fireplace heater serves as a versatile, freestanding supplemental heat source for living spaces, bedrooms, or compact corners. Because it relies on standard electrical power rather than wood or gas combustion, it provides a practical fireplace aesthetic for renters, apartment residents, and homeowners who lack existing chimneys, flues, or gas hookups. Its portable design allows for straightforward room-to-room repositioning as seasonal heating needs shift.

Equipped with a 1400W heating element, the appliance is designed to take the chill out of indoor living areas during cold winter months or cool evenings. Users can select target temperatures ranging from 62°F to 82°F to match individual comfort preferences. For visual ambiance, the unit produces a 3D flame effect with five distinct brightness levels, allowing the display to be dimmed for nighttime relaxation or brightened for daytime visibility without having to open the front door.

Convenience and control flexibility stand out on this model, which supports adjustments through both a downloadable mobile app and an included handheld remote control with batteries. Users can adjust flame levels, power cycles, and temperature settings from across the room or schedule operating durations between 1 and 8 hours using the built-in timer. The internal blower operates at an acoustic level of roughly 37 dB, ensuring minimal background distraction during conversation, television viewing, or sleep.

Safety engineering is an essential consideration for any portable electric space heater, and the Silonn fireplace addresses common household concerns with several automated safeguards. An integrated tilt switch automatically shuts down the heating cycle if the unit is knocked over or angled beyond 45 degrees. It also includes an internal overheat protection sensor and an integrated child lock feature to prevent accidental setting modifications by curious children or pets.

Measuring 9.84 inches deep, 19.69 inches wide, and 24.03 inches high, the fireplace fits comfortably against flat walls or into corner configurations without consuming substantial floor space. Because actual heating performance depends heavily on room insulation, ceiling height, and local climate conditions, this 1400W unit is best utilized as a supplemental zone heater rather than a primary whole-home furnace replacement. For shoppers seeking an affordable, low-maintenance electric fireplace with convenient wireless controls and essential safety protections, this model offers a balanced combination of features.

The Silonn electric fireplace heater provides versatile operating controls through either the included remote control or a downloadable smartphone application. These wireless options let users turn the appliance on or off, set the thermostat between 62°F and 82°F, and manage power settings without approaching the appliance.

In addition to temperature regulation, the unit features five selectable brightness settings for its simulated 3D flame display. An integrated digital timer can be programmed for operational periods from 1 to 8 hours, supporting energy savings by turning the heater off automatically once the scheduled period expires.

This electric fireplace includes essential household protection measures, starting with an automatic tilt sensor that terminates operation if the appliance is knocked over or tilted past 45 degrees. An internal overheat protection cutoff disengages the heating mechanism if temperatures exceed normal operating thresholds.

A built-in child lock prevents inadvertent button presses and accidental control alterations by young family members. Because the unit runs on electricity rather than combustible fuel, it produces no smoke, ash, or carbon monoxide, though users must still observe required manufacturer clearances around heating vents.

The Dr. Infrared Heater DR-991 is a freestanding electric fireplace heater engineered to deliver supplemental warmth and ambient flame visuals without the construction demands of traditional hearths. Designed for renters, homeowners, and apartment dwellers who face restrictions on venting or chimney access, this unit offers a self-contained alternative. It plugs directly into a standard 120V wall outlet, providing a straightforward option for spaces where installing a gas line or masonry hearth is impractical.

At the core of the appliance is a 1500W infrared heating element paired with an integrated 3D flame effect. The flame display features two adjustable brightness levels to tailor visual ambiance independently or alongside the heater. Users can select from three heat settings, including High, Low, and an Auto mode that works in tandem with the built-in digital thermostat. Adjustments can be managed directly on the unit through its LED display panel or across the room with the included remote control, which also governs a 12-hour shutoff timer.

A notable functional distinction of the DR-991 is its built-in humidifier. Supplemental heating appliances frequently lower indoor relative humidity, leading to dry air during colder months. By incorporating an active moisture reservoir, this unit works to balance ambient room comfort while warming. For safety, the unit holds an ETL listing and incorporates automatic tip-over and overheat protection sensors that cut power if the heater is knocked askew or exceeds internal operating temperatures.

With dimensions measuring 14.2 inches long, 14.2 inches wide, and 36.8 inches tall, the unit takes up a compact, vertical floor footprint. Weighing 19.4 pounds and equipped with a 6-foot electrical cord, it can be relocated between rooms as heating needs change. As with any high-wattage electrical appliance, proper clearance should be maintained around the heater cabinet to ensure unobstructed airflow, and the manufacturer instructions should be consulted regarding placement near walls, curtains, and furniture.

Potential buyers should recognize that the vertical tower styling differs significantly from traditional wide mantel fireplaces, catering more to modern space-saving setups. In addition, utilizing the humidifier function introduces routine maintenance, as the water tank requires regular refills and occasional cleaning to prevent mineral buildup. For shoppers seeking an all-in-one zone heater that combines flame ambiance, infrared warmth, and air moisture management, the DR-991 represents a practical, low-maintenance hearth alternative.

The DR-991 provides flexible operation through either its onboard LED display panel or the included handheld remote control. Users can toggle between High, Low, and Auto operational modes to match immediate comfort requirements. In Auto mode, the built-in digital thermostat actively cycles the 1500W heating element to maintain a selected ambient temperature.

A built-in 12-hour timer allows homeowners to set scheduled shutoffs in advance, which can prevent unnecessary overnight electrical consumption. The 3D flame effect operates with two distinct brightness levels, allowing users to tailor the visual display to daytime or evening lighting preferences.

Setup for the DR-991 requires no venting, gas connections, or permanent wall framing. The freestanding design sits directly on flat interior flooring and plugs into any standard 120V electrical outlet via its 6-foot cord. Because this model draws up to 1500W, users should ensure the circuit can accommodate high-draw appliances without tripping breakers.

While the exterior footprint is compact at 14.2 by 14.2 inches, adequate clearance must be kept around the intake and exhaust grilles as outlined in the manufacturer documentation. Combustible materials like drapes, bedding, and loose papers should remain clear of the unit during operation.