4-in-1 Ductless Wall AC Unit – Cool, Heat, Fan, Dry, Quiet Timer
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Ships in 2–3 business days from our North American warehouse · tracked delivery 4–5 business days
Ductless Bedroom Air Conditioner 4-in-1 Cooling Heating Ventilating
Quiet enough to run all night long
This ductless wall-mounted air conditioner combines four functions in a single unit: cooling, heating, ventilating and dehumidifying. In a bedroom, noise matters just as much as temperature — a device that hums or clicks can keep you awake just as easily as the heat itself. This unit runs whisper-quiet, so you can leave it on while you sleep without a second thought. Thanks to its wall mount, your floor stays clear, even in a narrow bedroom or under a sloped ceiling. With the timer of up to 8 hours, the unit runs for exactly as long as you sleep, then switches off on its own.
Why this unit works so well in a bedroom
- Whisper-quiet operation: no droning fan housing or clicking compressor next to your bed.
- Timer up to 8 hours: runs through your night and shuts off after, so you never have to wake up to turn it off.
- Dehumidifying: pulls damp air out of a warm bedroom, making the same temperature feel lighter.
- Cooling and heating: handy on a sweltering August night and on a chilly March morning alike.
- Wall mount: keeps the floor clear, so there's nothing to trip over at night.
- LCD display: read the settings without switching on the main light.
Built for warm bedrooms and attic rooms
A bedroom under the roof soaks up heat all day and barely cools off at night. By three in the morning the room can still sit around seventy-seven degrees Fahrenheit, and opening a window at that point mostly just lets in street noise. This wall unit tackles the problem with simultaneous cooling and dehumidifying, exactly the combination that makes an attic room livable. It also suits a guest room, dorm room or home office where there's no room for a floor-standing unit. More and more people are choosing this option before committing to a full system with an outdoor unit. Availability is limited during the summer months.
Not sure about your size? Use Find my size above — it takes a few seconds. Most styles fit true to U.S. sizing; oversized styles are marked in the name. For coats, size up if you like to layer.
Not sure which size to choose? Use the Fit Finder on any product page — it recommends your size in a few seconds. Measurements below are body measurements.
Women — clothing
| Size | US | Bust (in) | Waist (in) | Hips (in) | EU |
|---|---|---|---|---|---|
| XS | 0–2 | 31–32.5 | 24–25.5 | 34–35.5 | 32–34 |
| S | 4–6 | 33–34.5 | 26–27.5 | 36–37.5 | 36 |
| M | 8–10 | 35–36.5 | 28–29.5 | 38–39.5 | 38 |
| L | 12–14 | 37.5–39.5 | 30.5–32.5 | 40.5–42.5 | 40 |
| XL | 16 | 40.5–42.5 | 33.5–35.5 | 43.5–45.5 | 42 |
| XXL | 18 | 43.5–45.5 | 36.5–38.5 | 46.5–48.5 | 44 |
| 3XL | 20 | 46.5–48.5 | 39.5–41.5 | 49.5–51.5 | 46 |
Men — clothing
| Size | Chest (in) | Waist (in) | Neck (in) | EU |
|---|---|---|---|---|
| S | 35–37 | 29–31 | 14–14.5 | 46 |
| M | 38–40 | 32–34 | 15–15.5 | 48–50 |
| L | 41–43 | 35–37 | 16–16.5 | 52 |
| XL | 44–46 | 38–40 | 17–17.5 | 54 |
| XXL | 47–49 | 41–43 | 18–18.5 | 56 |
| 3XL | 50–52 | 44–46 | 19–19.5 | 58 |
Shoes
| Women US | EU | Foot (in) | Men US | EU | Foot (in) | |
|---|---|---|---|---|---|---|
| 5 | 35–36 | 8.6 | 7 | 40 | 9.6 | |
| 6 | 36–37 | 8.9 | 8 | 41 | 9.9 | |
| 7 | 37–38 | 9.3 | 9 | 42 | 10.3 | |
| 8 | 38–39 | 9.6 | 10 | 43 | 10.6 | |
| 9 | 39–40 | 9.9 | 11 | 44 | 10.9 | |
| 10 | 40–41 | 10.3 | 12 | 45 | 11.3 | |
| 11 | 41–42 | 10.6 | 13 | 46 | 11.6 |
Between sizes? For coats and jackets we recommend sizing up if you like to layer a sweater underneath. For personal fit advice, email contact@delmoe.com.
Free tracked shipping on every U.S. order. Processing 2–3 business days + delivery 4–5 business days (about 6–8 business days in total). Ships from our North American warehouse.
90 days to decide. Return unworn items with tags within 90 days of delivery for a full refund. Return shipping is paid by the customer — if an item is defective or we sent the wrong one, we email you a free prepaid label. Start a return at contact@delmoe.com.
Pay with Visa, Mastercard, American Express, Apple Pay or Google Pay. Our checkout is SSL-encrypted and hosted by Shopify (PCI DSS Level 1) — card details are never stored by DELMOE.
Please see the description for material details. To keep knits and wool-blends beautiful: hand wash cold or use a gentle wool cycle, lay flat to dry, and fold rather than hang. Coats: spot clean or dry clean.
The DELMOE promise
- Designed in Montana. Every piece is chosen for real cold-weather wear.
- Wear it for 90 days. Not right? Return it within 90 days of delivery.
- Defective or wrong item? We send you a free prepaid return label.
- Pay securely with Visa, Mastercard, Amex, Apple Pay or Google Pay — card details are never stored by us.
