
Umbra
Casita Essential Oil Diffuser
The Casita Essential Oil Diffuser by Umbra is a house-shaped electric diffuser that disperses 100% pure essential oils for aromatherapy, featuring a durable concrete finish with a melamine base. It has a 150 ml tank that provides 5-6 hours of continuous or 8-10 hours of intermittent diffusion, automatic shut-off when the water level is low, a built-in LED light with two settings, and a hidden compartment for storing essential oil bottles. The device measures 6.75 inches (17 cm) in diameter by 6.25 inches (16 cm) in height, runs on electricity via the included USB charging cord, and is ideal for medium-sized rooms; essential oils are not included.
- Material
- Concrete finish with melamine base
- Category
- Home & Garden > Decor > Home Fragrances
Color
Size
Specifications
Concrete essential oil diffuser shaped like a small house with LED light and auto shut-off, designed for medium-sized rooms.
Provides 5-6 hours continuous or 8-10 hours intermittent diffusion; automatically shuts off when water is low; built-in LED with 2 settings; hidden compartment for oil bottles; USB charging.
- Material
- Concrete finish with melamine base
- Gender
- unisex
- Condition
- new
- Dimensions
- 6.75 x 6.75 x 6.25 in
- Category
- Home & Garden > Decor > Home Fragrances
Additional Attributes
- durable concrete finish
- melamine base
- 5-6 hours continuous use
- 8-10 hours intermittent diffusion
- automatic shut-off when water level is low
- tank capacity: 150 ml
- ideal for medium-sized rooms
- built-in LED light with 2 settings
- hidden compartment under base for storing essential oil bottles
- runs on electricity with USB charging cord included
- essential oils sold separately
- 6.75 inches in diameter x 6.25 inches in height
Product Insights
The Casita Essential Oil Diffuser by Umbra, designed by award-winner Sung Wook Park, reimagines the diffuser as a house to spark joy. Its matte concrete cover absorbs oil for passive fragrance, resists chipping and tipping, and wipes clean. The diffuser runs 5–6 hours continuous or 8–10 hours intermittent, auto-shuts off when empty to protect components, and uses a replaceable USB-C cord. A hidden compartment stores up to eight 15ml bottles, and a warm LED (2700-3000K) nightlight with two brightness settings operates independently of misting. Very quiet, it produces only a soft humming or gentle bubbling sound.
Verified claims
- Design story
- Designed by Umbra's Sung Wook Park to spark joy by reinterpreting the diffuser as a house.
- Lighting
- Two-mode warm LED (2700-3000K) serves as nightlight when diffuser is off.
- Concrete performance
- Concrete absorbs oil for passive fragrance, resists chipping and tipping, and wipes clean.
- Design features
- House-shaped matte concrete diffuser with hidden bottle storage, designed by award-winner Sung Wook Park.
- Operation
- Intermittent mode runs 8-10 hours, auto-shuts off when empty, and uses a replaceable USB-C cord.
- Storage
- Hidden compartment stores up to eight 15ml bottles.
- Runtime
- 5–6 hours continuous, 8–10 intermittent — both beat typical 100ml diffusers.
- Passive diffusion
- Concrete cover passively diffuses oils for hours after active misting stops.
- Auto shut-off
- Auto shut-off prevents dry running, extending diffuser lifespan.
- Noise level
- Very quiet operation; soft humming or gentle bubbling sound.
- Nightlight
- Warm white LED nightlight with two brightness settings, usable without mist.
- Material
- Concrete cover and melamine base resist damage and water.
- Component protection
- Auto shut-off and replaceable USB-C port extend component life.
Product record
- Title
- Casita Essential Oil Diffuser
- Brand
- Umbra
- Price
- 75 CAD
- Availability
- In stock
Deep Research
How it compares to similar diffusers
- The 150ml tank provides 5-6 hours of continuous mist, outlasting the typical 100ml ultrasonic diffuser's 3-4 hours, and approaches the 6-7 hours of larger models like the Urpower 2nd Gen—enough to cover a full night or workday without refilling.
- A hidden compartment under the melamine base holds up to eight standard 15ml essential oil bottles, turning the diffuser into a self-contained aromatherapy station and eliminating clutter from separate storage boxes.
- The intermittent setting cycles mist on and off for 8-10 hours on a single fill, providing gentle, all-day scenting without continuous output—a scheduling mode that timer-based continuous-mist diffusers like the Urpower 2nd Gen cannot match, as they max out at around 6 hours of steady mist.
The designer behind the little house
- A student award in the Umbra-Audi “Driving Design” competition presaged Park’s decade-plus trajectory at Umbra, where he rose from Creative Lead to Senior Design Lead — a career path that means the Casita benefits from his intimate understanding of Umbra’s manufacturing strengths and design vocabulary.
- The Casita’s dual-purpose nature as diffuser and decor is a direct expression of Park’s goal to create products that ‘spark joy and leave a lasting impression’ — the warm LED and house shape are engineered to provoke a positive emotional response upon sight, not just scent.
- Park's stated drive to 'reinterpret everyday products' and 'bring fresh perspectives to familiar forms' directly shaped the Casita's house silhouette — instead of a generic diffuser vessel, he designed a miniature home, a conceptual move he's repeated across 49 Umbra products since joining the company in 2014.
- With over 15 years of product design experience and a 49-product portfolio that includes items as varied as Exhibit Wall Picture Frames and Bellwood Paper Towel Holder, Park brings cross-category design confidence to the Casita — the hidden oil storage and durable concrete cover reflect the same practical ingenuity found in his best-selling organizational pieces.
What owners say after months of use
- The low-water auto shut-off interrupts power before the ultrasonic vibration plate runs dry — a common failure mode in cheaper diffusers — directly extending the lifespan of the core mist-producing component.
- Using a USB-C connection instead of a barrel jack or proprietary adapter means the power cord can be easily and inexpensively replaced if it frays or gets lost; as USB-C remains the universal charging standard, this makes the Casita more future-proof than many diffusers still relying on older micro-USB or DC connectors.
- The base cover is melamine — a hard, non-porous thermoset resin that won’t warp, crack, or absorb water stains like ordinary plastic; this material choice ensures the component that holds the water tank remains structurally sound and easy to wipe clean even after years of daily use.
- The two-mode warm white LED — at full brightness or dimmed — can serve as a nightlight even when the diffuser is off, adding year-round bedside utility that justifies keeping the Casita on the nightstand permanently rather than only during aromatherapy sessions.
- The under-base compartment holds up to 10 oil bottles, which effectively turns the diffuser into a self-contained aromatherapy station — over months of use, this integrated storage prevents bottle clutter in drawers or on counters and keeps your favourite scents always within reach, encouraging daily rituals.
- On intermittent diffusion, the 150ml tank delivers 8–10 hours of scent — ample to cover a full night's sleep without a refill; for consistent users, this means the diffuser slots seamlessly into a bedtime routine without the annoyance of waking up to a dry, silent unit.
Why concrete matters in a diffuser
- The house silhouette rendered in matte concrete gives the Casita the look of a miniature architectural model, making it read as intentional modern decor rather than a functional appliance — a rare quality among aroma diffusers that are typically hidden or apologetically plastic.
- The Casita's concrete cover resists chipping and cracking far better than a ceramic diffuser housing — it can withstand knocks that would shatter ceramic, and its long-lasting nature means the exterior stays intact even after the internal electronics have aged.
- Concrete's heft combined with the 6.75-inch diameter base makes the Casita far less likely to tip over or slide across a nightstand than lightweight plastic diffusers — it stays put even when the USB cord is tugged or someone reaches for a lamp in the dark.
- Because the concrete cover matches the porosity of natural passive diffuser materials like clay or lava rock, it continues to emit a subtle fragrance from absorbed oils for hours after the ultrasonic cycle ends — effectively giving the Casita a built-in passive mode that no plastic diffuser can replicate.
Image Analysis
3 images- 01

Product
A matte off-white, dome-shaped essential oil diffuser with a short cylindrical spout emitting visible mist and an arched front opening that reveals a lit interior and an amber essential oil bottle.
- Overall shapeRounded dome / house-shaped body with smooth curved roof and vertical cylindrical side walls sitting on a circular shallow tray base.
1 region
x 0.15 · y 0.30 · w 0.70 · h 0.55 (high) - Finish and textureMatte, smooth surface with even, soft finish and no visible gloss highlights on the dome and walls.
1 region
x 0.18 · y 0.32 · w 0.64 · h 0.46 (high) - Top spoutShort cylindrical chimney/spout located near the top right of the dome from which a narrow column of visible vapor/mist rises.
1 region
x 0.62 · y 0.16 · w 0.08 · h 0.12 (high) - Arched front openingTall arched doorway cut into the front wall, showing the diffuser interior and creating a recessed shelf.
1 region
x 0.20 · y 0.60 · w 0.18 · h 0.28 (high) - Interior lightingWarm internal illumination visible through the arched opening that lights the recessed shelf and the bottle inside.
1 region
x 0.22 · y 0.64 · w 0.16 · h 0.22 (high) - Essential oil bottle visibleSmall amber glass bottle with a dark cap standing on the interior shelf, partially visible through the arched opening.
1 region
x 0.25 · y 0.70 · w 0.08 · h 0.18 (high) - Label fragment - main word“USION”
1 region
x 0.26 · y 0.75 · w 0.06 · h 0.07 (high) - Label fragment - volume“15 ML”
1 region
x 0.27 · y 0.85 · w 0.05 · h 0.04 (high) - Label fragment - upper text“A VIE”Partial
1 region
x 0.25 · y 0.71 · w 0.07 · h 0.06 (medium)
Other
Product photographed on a wooden surface against a neutral, softly lit backdrop with visible vapor rising; warm studio lighting creates soft shadow under the base.
- SurfaceFlat wooden tabletop with visible wood grain under the product.
1 region
x 0.05 · y 0.82 · w 0.90 · h 0.16 (high) - Background and lightingNeutral warm-gray backdrop with soft, even studio lighting and no distracting props.
- Visible vaporWhite-gray vapor or mist rising vertically from the spout then dispersing upward and to the left.
1 region
x 0.57 · y 0.02 · w 0.30 · h 0.40 (high) - Shot compositionThree-quarter front view centered on the diffuser, slightly elevated camera angle showing roof, spout, and interior through the arch.
Colors
matte warm off-white· dome and walls#F2EEE2warm soft yellow· interior shelf lighting#F5E1CBamber brown glass· essential oil bottle- Overall shapeRounded dome / house-shaped body with smooth curved roof and vertical cylindrical side walls sitting on a circular shallow tray base.
- 02

Product
A matte off-white, house-shaped essential oil diffuser with a small cylindrical chimney spout emitting visible mist and an arched doorway cutout revealing a warm internal light. The unit sits on a matching circular base/tray.
- Overall shapeRounded house-shaped body with a smoothly curved dome roof and cylindrical chimney spout on the right side of the roof.
1 region
x 0.18 · y 0.30 · w 0.64 · h 0.60 (high) - Chimney spoutShort vertical cylinder rising from the roof near the right ridge, producing a narrow column of visible mist.
1 region
x 0.64 · y 0.10 · w 0.12 · h 0.18 (high) - Mist plumeThin, wispy column of vapor or mist rising straight up from the chimney and dispersing into the upper image area.
1 region
x 0.62 · y 0.00 · w 0.16 · h 0.30 (high) - Front doorway cutoutTall arched doorway-shaped opening on the front face that exposes the interior; inner edges are rounded and reveal a warm illuminated interior.
1 region
x 0.30 · y 0.65 · w 0.18 · h 0.25 (high) - Internal lightingWarm yellow/orange light emanating from inside the doorway, casting a soft glow on the inner walls and floor of the opening.
1 region
x 0.30 · y 0.68 · w 0.18 · h 0.20 (high) - Surface finishMatte, slightly textured ceramic or ceramic-like surface with even diffuse reflection and no visible gloss highlights.
1 region
x 0.18 · y 0.34 · w 0.64 · h 0.52 (medium) - Base trayCircular matching base or tray with a slightly raised outer rim that the house body sits within.
1 region
x 0.16 · y 0.82 · w 0.68 · h 0.12 (high)
Other
Product photographed on a wood surface against a dark, neutral background with soft directional lighting from front-left; slight shadow beneath product; image is cropped to center the diffuser and show rising mist.
- Supporting surfaceDark medium-brown wood table with visible horizontal grain, visible at the lower portion of the image.
1 region
x 0.00 · y 0.86 · w 1.00 · h 0.14 (high) - BackgroundUniform dark brown to charcoal out-of-focus backdrop occupying the upper two-thirds of the image.
1 region
x 0.00 · y 0.00 · w 1.00 · h 0.75 (high) - Lighting and shadowSoft directional lighting from the front-left creates gentle shading on the product's right side and a soft shadow on the wood surface beneath and slightly to the right.
- CompositionProduct centered horizontally and placed in lower half of frame with negative space above for the visible mist column.
Colors
off-white· body and roofwarm amber· interior light seen through doorway#FED392- Overall shapeRounded house-shaped body with a smoothly curved dome roof and cylindrical chimney spout on the right side of the roof.
- 03

Product
A matte off-white house-shaped electric diffuser with a ribbed cylindrical body, peaked removable roof, short vertical spout, and a front-mounted control pod with three round buttons and a USB power port. The unit sits on a shallow round tray.
- Overall shapeHouse-shaped main body with a peaked, conical roof and a short vertical chimney/spout on the left side of the roof as viewed.
1 region
x 0.14 · y 0.36 · w 0.35 · h 0.45 (high) - Body textureCylindrical lower body with fine vertical ribbing/flueted texture around the circumference beneath the roofline.
1 region
x 0.18 · y 0.52 · w 0.26 · h 0.29 (high) - Removable roof detailSmooth matte peaked roof that appears as a separate removable top sitting over the ribbed body.
1 region
x 0.14 · y 0.36 · w 0.28 · h 0.22 (high) - Chimney/spoutShort cylindrical vertical spout placed at the left ridge of the roof, open at the top.
1 region
x 0.14 · y 0.32 · w 0.04 · h 0.08 (high) - Front control podSmall rounded rectangular control module affixed to the front of the body with three circular tactile buttons arranged vertically and a small horizontal power/data port at the bottom.
1 region
x 0.28 · y 0.64 · w 0.08 · h 0.24 (high) - Control button symbolsThree circular raised button faces show distinct embossed symbols but symbols are small; top button shows a power-like icon, middle a circular fan-like icon, bottom a stacked-lines icon.Partial
1 region
x 0.29 · y 0.67 · w 0.06 · h 0.18 (medium) - Power/data portSmall horizontal oval port centered at the bottom of the control pod consistent with a modern reversible connector shape.
1 region
x 0.30 · y 0.86 · w 0.03 · h 0.02 (medium) - Base trayLow-profile circular shallow tray that the diffuser sits on; tray rim slightly raised and smooth matte finish.
1 region
x 0.08 · y 0.68 · w 0.44 · h 0.18 (high) - Small embossed iconCircular embossed mark or icon located on the front upper rim of the ribbed body above the control pod.
1 region
x 0.24 · y 0.53 · w 0.05 · h 0.06 (medium)
Other
Product shot on a wooden surface with a neutral brown textured backdrop; a separate cream-colored house-shaped cover sits to the right and two white power cables lie on the surface in the foreground. Soft studio lighting from upper left creates gentle shadows.
- Secondary house coverA separate smooth cream-colored house-shaped object with an arched doorway opening faces forward and is positioned behind and to the right of the diffuser; appears as a detached cover or decorative prop.
1 region
x 0.62 · y 0.36 · w 0.33 · h 0.43 (high) - Power cablesTwo short white cables on the tabletop in the lower right foreground ending in visible connectors; one connector shows a reversible rounded rectangular tip.
1 region
x 0.60 · y 0.78 · w 0.34 · h 0.18 (high) - Surface and backdropWarm medium-brown wood tabletop with visible grain; backdrop is a smooth mottled warm brown with soft vignette and no printed text.
2 regions
x 0.00 · y 0.70 · w 1.00 · h 0.30 (high); x 0.00 · y 0.00 · w 1.00 · h 0.60 (high) - Lighting and shadowsSoft directional lighting from upper left produces subtle highlights on the roof and gentle cast shadows to the right and lower parts of objects.
- Shot compositionThree-quarter frontal close-up framing showing the diffuser centered-left, secondary cover right, and cables in foreground; image cropped with generous top negative space.
Colors
off-white ivory· main body and roof#F2F1EDwarm white· control pod and small details#F0EDE9pale beige· tray basePackaging#E3DDD3cream· secondary house cover (prop)#EDE5DAbright white· power cables- Overall shapeHouse-shaped main body with a peaked, conical roof and a short vertical chimney/spout on the left side of the roof as viewed.
Brand PDP Lookup
- Brand
- Umbra
Casita Diffuser
Documents & Data
Q&A
4 answered- How loud is the ultrasonic diffuser during operation?
- Ultrasonic diffusers are generally very quiet during operation, producing only a soft humming or gentle bubbling sound. While we don't have a specific decibel rating for the Casita, most users find the sound unobtrusive, especially on intermittent mode.
- Is the concrete finish easy to clean, and does it absorb essential oils or water over time?
- Yes, the concrete finish is easy to clean — a gentle wipe is sufficient [3]. However, concrete is naturally porous and will absorb essential oils over time [2]; this is by design, as it allows the diffuser to slowly release scent even when not running. The base is melamine (non-porous), so only the concrete cover absorbs, and you can refresh the scent by adding a few drops of oil directly onto it.
- What are the two LED light settings—are they dimmable, and what color temperature?
- The Casita diffuser's integrated LED has two brightness settings: 100% brightness and a softer dimmed glow, both emitting warm white light (soft white, approximately 2700–3000K) [1][2].
- What is the maximum bottle height that fits in the hidden compartment?
- The hidden compartment's maximum bottle height is not specified, but it is designed to hold up to 8 standard 15ml or 10 standard 10ml essential oil bottles [1]. Typical 15ml bottles are about 3–4 inches tall, so bottles up to that height should fit.