# The Best Dehumidifiers and Air Purifiers for Smoke Smell

> A dehumidifier won't pull smoke out of the air, but drier air makes a smoky room smell less. Pair it with the right purifier and the odor finally fades.

Canonical: https://www.enthusiastreview.com/best/best-dehumidifier-for-smoke-smell/
Last updated: 2026-11-05
Published: 2026-11-05
Category: Mold & Allergies
Publisher: Enthusiast Review

Let's start with the honest answer: a **dehumidifier for smoke smell** can help, but it can't do the job alone. A dehumidifier removes water vapor. Smoke is a mix of fine particles and gases, and the odor you notice comes mostly from those gases and the sticky residue they leave on walls, fabrics and carpet. Pulling water out of the air doesn't capture any of that.

What lower humidity does do is calm the smell down. Smoke residue and many household odors tend to smell stronger on muggy days, because damp air helps odor molecules release from surfaces. Holding a room at 40–50% takes the edge off — and stops a musty smell from piling on top. The particles and gases themselves are a job for an air purifier with a **True HEPA filter** and **activated carbon**.

So this guide recommends setups, not miracles: the purifiers that do the heavy lifting on smoke odor, a dehumidifier to pair with them, and two combo units that put HEPA filtration and dehumidification in one box for smaller or damper rooms.

## Our top picks

- **Best overall for smoke odor:** Levoit Core 400S — [check price on Amazon](https://www.amazon.com/dp/B08R794ZMX?tag=sktiger-20&linkCode=ll1)
- **Best for large, open rooms:** Levoit Core 600S — [check price on Amazon](https://www.amazon.com/dp/B09BJMY8HL?tag=sktiger-20&linkCode=ll1)
- **Best for bedrooms:** Levoit Core 300S — [check price on Amazon](https://www.amazon.com/dp/B07VVK39F7?tag=sktiger-20&linkCode=ll1)
- **Best dehumidifier to pair with a purifier:** Midea Cube 35 — [check price on Amazon](https://www.amazon.com/dp/B0GL7QLD49?tag=sktiger-20&linkCode=ll1)
- **Best dehumidifier with a HEPA filter:** AirCyan 32 Pint with HEPA — [check price on Amazon](https://www.amazon.com/dp/B0F4QBNW1Z?tag=sktiger-20&linkCode=ll1)
- **Best small-room combo:** Tenergy Sorbi — [check price on Amazon](https://www.amazon.com/dp/B07C7H2MRN?tag=sktiger-20&linkCode=ll1)

For most smoky living rooms, the **Levoit Core 400S** is the place to start — True HEPA plus an activated-carbon layer, an auto mode driven by a particle sensor and enough airflow for a good-size room — paired with a dehumidifier if the space also runs humid.

## 1. Levoit Core 400S Smart Air Purifier — Best overall for smoke odor

[Check price on Amazon](https://www.amazon.com/dp/B08R794ZMX?tag=sktiger-20&linkCode=ll1)

**Pros**

- True HEPA plus activated carbon in one filter
- About 260 CFM of clean air (Levoit)
- Particle sensor drives an auto mode
- App and voice control

**Cons**

- Carbon layer is modest for heavy, daily smoking
- Does nothing for humidity

**Why we picked it:** Smoke odor needs two kinds of filtration — HEPA for the fine particles and carbon for the gases — and enough airflow to move a living room's air through them several times an hour. The Core 400S checks both boxes at a sensible size for most family rooms.

**Performance:** Levoit lists a clean air delivery rate of about 260 CFM, which by the common two-thirds rule suits rooms up to roughly 390 square feet. Its laser particle sensor ramps the fan up when smoke drifts in and settles back down afterward. Owners dealing with lingering smoke generally report the best results after a deep clean of the room, with the purifier keeping the smell from returning.

**Worth knowing:** Replace the filter on schedule. Carbon fills up, and a saturated filter stops absorbing odor long before it looks dirty.

| Spec | Value |
| --- | --- |
| Type | True HEPA + activated carbon purifier |
| CADR | About 260 CFM (Levoit) |
| Sensor | Laser particle sensor, auto mode |
| Smart control | VeSync app, voice assistants |
| Best for | Living rooms up to ~400 sq ft |

## 2. Levoit Core 600S Smart Air Purifier — Best for large, open rooms

[Check price on Amazon](https://www.amazon.com/dp/B09BJMY8HL?tag=sktiger-20&linkCode=ll1)

**Pros**

- Levoit's highest-airflow Core model
- HEPA and carbon filtration
- Auto mode with air-quality sensing
- App scheduling and voice control

**Cons**

- Big footprint
- Replacement filters cost more

**Why we picked it:** Smoke spreads through an open-plan floor, and a small purifier in the corner can't keep up. The Core 600S is Levoit's big-room model, built to move a lot of air through a whole kitchen-living-dining space.

**Performance:** It's the largest purifier in Levoit's Core series, combining a HEPA stage with an activated-carbon layer and adjusting fan speed from a built-in air-quality sensor. Put it where smoke is generated or enters — near the door to a smoker's porch, for instance — rather than in a far corner.

| Spec | Value |
| --- | --- |
| Type | True HEPA + activated carbon purifier |
| Sensor | Air-quality sensor, auto mode |
| Smart control | VeSync app, voice assistants |
| Best for | Open-plan living areas |

## 3. Levoit Core 300S Smart Air Purifier — Best for bedrooms

[Check price on Amazon](https://www.amazon.com/dp/B07VVK39F7?tag=sktiger-20&linkCode=ll1)

**Pros**

- Very quiet on its lowest setting
- HEPA filter with a carbon layer
- Specialty smoke-focused filters available
- Compact enough for a nightstand corner

**Cons**

- Sized for one room
- Carbon capacity is limited

**Why we picked it:** Bedding, curtains and carpet soak up smoke, so the bedroom is often where the smell lingers longest. The Core 300S is quiet enough to run all night and inexpensive enough to put in more than one room.

**Performance:** Levoit lists a CADR of about 141 CFM and coverage of roughly 219 square feet, with a True HEPA filter rated to capture 99.97% of particles at 0.3 microns and a carbon layer for odors. It runs at around 24 dB on its lowest setting. Levoit also sells alternative Core 300-series filters aimed at smoke and toxins, which pack more odor-absorbing media.

| Spec | Value |
| --- | --- |
| Type | True HEPA + carbon purifier |
| CADR | ~141 CFM (Levoit) |
| Coverage | ~219 sq ft (Levoit) |
| Noise | About 24 dB on low |
| Best for | Bedrooms, home offices |

## 4. Midea Cube 35-Pint Dehumidifier — Best dehumidifier to pair with a purifier

[Check price on Amazon](https://www.amazon.com/dp/B0GL7QLD49?tag=sktiger-20&linkCode=ll1)

**Pros**

- Holds a set humidity from 35% to 85%
- Right-sized for living rooms and finished basements
- Large base tank or gravity hose
- Wi-Fi app and voice control

**Cons**

- Does not filter smoke or odors
- Adds a second machine to the room

**Why we picked it:** If a smoky room is also a humid one — a basement den, a lake cabin, a Gulf Coast apartment — this is the half of the setup that keeps odors from flaring up on muggy days and stops mildew from adding its own smell.

**Performance:** It's rated at 35 pints a day under the DOE 2019 test, with a humidistat that adjusts in 5% steps. Set it to 45% and it cycles on and off to hold that level while the purifier handles particles and gases. Its tank sits in the base and holds more than a typical bucket, or you can attach a hose for continuous draining. More in our [best Midea dehumidifier](https://www.enthusiastreview.com/best/best-midea-dehumidifier/) guide.

| Spec | Value |
| --- | --- |
| Capacity | 35 pints/day (DOE 2019) |
| Humidistat | 35–85% in 5% steps |
| Drainage | Base tank or gravity hose |
| Smart control | Wi-Fi app, voice assistants |
| Best for | Humid living areas, basements |

## 5. AirCyan 32 Pint Dehumidifier with HEPA Filter — Best dehumidifier with a HEPA filter

[Check price on Amazon](https://www.amazon.com/dp/B0F4QBNW1Z?tag=sktiger-20&linkCode=ll1)

**Pros**

- Full-size dehumidifier with a HEPA filter stage
- Drain-hose option
- Auto defrost
- One machine for a damp room

**Cons**

- Not a substitute for a carbon purifier on odor
- Pint rating is a maximum, not a DOE figure

**Why we picked it:** In a damp basement den or a closed-up apartment with light smoke, one machine that dries the air and catches particles on a HEPA filter is a tidy solution — and as a full-size dehumidifier, it removes far more water than small thermoelectric combos.

**Performance:** AirCyan markets it at a maximum of 32 pints a day for spaces up to 1,500 square feet, with a HEPA filter, a drain-hose outlet and auto defrost. Treat the 32-pint figure as a hot, humid best case. The HEPA stage catches smoke particles passing through, but it lacks a purifier's airflow and carbon, so add one if odor is the main complaint. More two-in-ones are in our [best dehumidifier air purifier combo](https://www.enthusiastreview.com/best/best-dehumidifier-air-purifier-combo/) guide.

| Spec | Value |
| --- | --- |
| Type | Dehumidifier + HEPA filter |
| Capacity | 32 pints max (AirCyan) |
| Coverage | Up to 1,500 sq ft (AirCyan) |
| Drainage | Tank or drain hose |
| Best for | Damp rooms with light smoke |

## 6. Tenergy Sorbi 1000ml Dehumidifier with True HEPA Filter — Best small-room combo

[Check price on Amazon](https://www.amazon.com/dp/B07C7H2MRN?tag=sktiger-20&linkCode=ll1)

**Pros**

- True HEPA filter plus a small dehumidifier
- Quiet, at a listed 35–42 dB
- Compact enough for a closet or small bedroom

**Cons**

- Rated for only about 200 sq ft
- Small 1-liter tank

**Why we picked it:** For a closet full of clothes that smell like smoke, a small bedroom or a dorm-sized room, the Sorbi is an honest compromise: real HEPA filtration and a little moisture removal in a single quiet unit.

**Performance:** The dehumidifier side is thermoelectric, removing about 750 ml a day at 86°F and 80% humidity, per the listed specs — fine for a stuffy small room, not a damp basement. The True HEPA stage catches particles, though like most combos it has far less odor capacity than a dedicated carbon purifier. Washing clothes and fabrics will do more for a smoky closet than any machine.

| Spec | Value |
| --- | --- |
| Type | Thermoelectric + True HEPA |
| Capacity | About 750 ml/day (80% RH, 86°F) |
| Coverage | Up to about 200 sq ft |
| Noise | 35–42 dB (listed) |
| Drainage | 1-liter tank |

## Smoke odor, by the numbers

- **99.97%** — Share of 0.3-micron particles a True HEPA filter is rated to capture
- **⅔** — Rule of thumb: a purifier's smoke CADR should be at least two-thirds of the room's square footage
- **40–50%** — Humidity range that keeps odors calmer without over-drying the room

Notice what's missing: no number for how much smoke a dehumidifier removes. That's because it doesn't remove any. Its value is in the third figure.

## How we pick dehumidifiers and purifiers for smoke smell

We don't lab-test. We compared manufacturer specifications — clean air delivery rates, filter types, DOE dehumidifier ratings and room-size claims — checked the CPSC database for recalls, and read owner reviews from people dealing with cigarette smoke, a neighbor's smoke and wildfire seasons.

We favored purifiers that combine True HEPA and activated carbon with honest airflow numbers, and dehumidifiers with set-percentage humidistats. We excluded ozone generators and devices that rely on ozone to mask odors. Every pick is available on Amazon.

## What to look for in a smoke odor setup

- **Activated carbon, and plenty of it:** Carbon is what absorbs odor gases. Thin carbon-dusted pre-filters fill up fast; thicker carbon layers or smoke-specific filters last longer.
- **True HEPA for particles:** Smoke particles are tiny. A True HEPA filter is the standard for catching them.
- **Enough airflow:** Choose a purifier whose CADR is at least two-thirds of your room's square footage, more for heavy smoke.
- **A humidistat on the dehumidifier:** Hold 40–50%. Our [humidistat settings guide](https://www.enthusiastreview.com/guides/dehumidifier-humidistat-settings-guide/) explains seasonal targets.
- **No ozone:** Skip ozone generators, and check that any ionizer is certified for low ozone output by the California Air Resources Board.

## Do dehumidifiers help with smells?

Some smells, yes; smoke, only indirectly. A dehumidifier is the main fix for odors caused by moisture, and a supporting player for everything else. Here's how it breaks down:

| Odor | Does a dehumidifier help? | What actually fixes it |
| --- | --- | --- |
| Musty or mildew smell | Yes — it's the main fix | Dehumidifier plus finding the moisture source |
| Cigarette or cigar smoke | Indirectly | Deep cleaning plus a carbon/HEPA purifier |
| Wildfire smoke | No | HEPA purifier, closed windows, a good HVAC filter |
| Cat urine | Indirectly | Enzyme cleaner on the source, then lower humidity |
| Cooking odors | No | A range hood vented outdoors |
| Smoke after a house fire | No | Professional fire restoration |

If the smell is closer to damp basement than ashtray, you need our [best dehumidifier for musty smell](https://www.enthusiastreview.com/best/best-dehumidifier-for-musty-smell/) guide instead. For a deeper look at which machine does what, see [air purifier vs. dehumidifier](https://www.enthusiastreview.com/guides/dehumidifier-vs-air-purifier/).

### Will a dehumidifier help with cat urine smell?

Only after you treat the source. Old urine spots often smell strongest on humid days, because moisture reactivates the residue. An enzyme cleaner breaks down what's causing the odor; a dehumidifier holding 40–50% then keeps any remaining trace from flaring up when the weather turns muggy.

## How to get rid of smoke smell in a room

Machines keep a clean room fresh; they can't clean it for you. Work through these steps in order:

1. **Stop the source.** If someone smokes indoors, no setup will keep up. Move it outside and close the door behind it.
2. **Wash what you can.** Curtains, bedding, throw pillows and clothes hold a surprising share of the smell.
3. **Clean hard surfaces.** Wash walls, ceilings, cabinets and windows; smoke film is often visible as a yellow tint on cloths.
4. **Replace the HVAC filter,** and consider professional duct cleaning if the whole house smells.
5. **Seal stubborn walls.** If the smell bleeds through after washing, an odor-blocking primer before repainting locks it in.
6. **Run the purifier and dehumidifier together** — purifier on auto, dehumidifier at 45% — and keep them going for weeks, not hours.

> **Skip the ozone generator:** The EPA advises against using ozone generators in occupied spaces. Ozone at levels people can safely breathe does little against odors, and higher levels irritate lungs. Restoration pros sometimes use ozone treatments in empty homes; that's a job for them, not a plug-in gadget.

## Combo unit or two machines?

Two machines win in almost every room bigger than a large bedroom. A dedicated purifier moves far more air through far more filter media than a dehumidifier's HEPA stage, and a dedicated dehumidifier removes far more water than a small combo's thermoelectric module. Combos earn their place in small, damp spaces — closets, small bedrooms, studio apartments — where one quiet box is the practical choice. For apartment-sized setups, see our [best dehumidifier for apartment](https://www.enthusiastreview.com/best/best-dehumidifier-for-apartment/) picks.

## The bottom line

A dehumidifier won't remove smoke, but it makes a smoky room smell better by keeping humidity in check. The best smoke odor setup is a carbon-and-HEPA purifier such as the **Levoit Core 400S** (or the **Core 600S** for open rooms and the **Core 300S** for bedrooms), paired with a dehumidifier like the **Midea Cube 35** if the space runs humid. For a single machine in a damp room, the **AirCyan 32 Pint with HEPA** handles moisture well; for a closet or small bedroom, the **Tenergy Sorbi** is a fair compromise. Clean first, then let the machines keep it that way.

## Frequently asked questions

### Does a dehumidifier help with smoke smell?

Indirectly. It doesn't capture smoke particles or odor gases, but lowering humidity to 40–50% makes absorbed smoke odors less noticeable and stops musty smells from adding to them. For the smoke itself, use an air purifier with True HEPA and activated carbon.

### Do dehumidifiers help with smells in general?

They're the main fix for musty and mildew smells, which come from moisture. For smoke, pet, cooking or chemical odors, a dehumidifier only plays a supporting role; clean the source and use a carbon air purifier.

### Will a dehumidifier help with cat urine smell?

Only after you treat the spot with an enzyme cleaner. Humidity reactivates old urine residue, so a dehumidifier helps keep a treated area from smelling again on muggy days.

### What is the best machine for smoke smell?

An air purifier with True HEPA and a substantial activated-carbon filter, sized so its CADR is at least two-thirds of the room's square footage. The Levoit Core 400S suits most living rooms.

### Is a dehumidifier and air purifier combo good for smoke?

For small rooms, it's a reasonable compromise. In larger rooms, a separate purifier and dehumidifier each do their job far better than a combo's shared fan and small filters.

### Why does my dehumidifier smell like smoke or burning?

A dusty coil or heater element can smell briefly when a unit starts, but a persistent burning smell is a warning sign. Unplug it and check for damage; our [dehumidifier not working](https://www.enthusiastreview.com/guides/dehumidifier-not-working/) guide covers next steps.

## Related guides

- [Air Purifier vs. Dehumidifier: Which One Do You Actually Need?](https://www.enthusiastreview.com/guides/dehumidifier-vs-air-purifier/)
- [The Best Dehumidifier and Air Purifier Combos](https://www.enthusiastreview.com/best/best-dehumidifier-air-purifier-combo/)
- [The Best Dehumidifiers for Mildew and Musty Smells](https://www.enthusiastreview.com/best/best-dehumidifier-for-musty-smell/)
- [The Best Dehumidifiers for Allergies and Asthma](https://www.enthusiastreview.com/best/best-dehumidifier-for-allergies/)
- [The Best Dehumidifiers for Apartments](https://www.enthusiastreview.com/best/best-dehumidifier-for-apartment/)
- [What Should Your Dehumidifier Humidistat Be Set To?](https://www.enthusiastreview.com/guides/dehumidifier-humidistat-settings-guide/)

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*Enthusiast Review researches products against DOE ratings, ENERGY STAR data, manuals, CPSC recalls and owner reviews; it does not run a test lab. Amazon links are affiliate links (tag sktiger-20).*