A smoke eater is an air cleaner built to pull smoke out of a room's air and send it back clean. Smoke is two problems at once: particles (the haze you see) and gases (the smell that stays in curtains and clothes). Electrostatic and HEPA-type filters catch the particles; only a heavy bed of activated carbon removes the smell. That is why a smoke eater for cigars should be judged by how much carbon it holds, not by its fan speed alone. Ozone generators and ionizers sold as "smoke eaters" are the weakest choice and can add an irritant to the room.
We sell Airpura carbon air purifiers, so we have a stake in this topic. Everything below is either from the sources linked at the end or from the manufacturer's published specifications.
What a smoke eater actually does
Every smoke eater does the same three things: a fan pulls room air through the unit, one or more filter stages take smoke out of that air, and the cleaned air goes back into the room. What separates a good one from a bad one is which part of the smoke the filters can catch.
- Particles (tar droplets and ash): caught by electrostatic plates, HEPA or high-MERV media filters.
- Gases and odor (the part you smell the next morning): pass straight through particle filters. Only a sorbent such as activated carbon adsorbs them.
An EPA-funded test of portable air cleaners found exactly this split: HEPA and electrostatic precipitator units did best on particles, while only systems with "sufficient sorbent material" such as activated carbon had any real effect on gases, and ionizers and ozone generators were the least effective at particle removal (EPA, sensory testing of portable air cleaners).
The three types of smoke eaters, compared
| Type | Where you see it | Removes haze | Removes smell | Watch out for |
|---|---|---|---|---|
| Ceiling-mounted electrostatic | Bars, casinos, bowling alleys | Yes, well | Only if it has a real carbon stage | Cells must be washed regularly; some electronic cells produce ozone |
| Portable carbon + particle filter | Cigar rooms, lounges, home offices | Yes | Yes, in proportion to carbon weight | Carbon fills up and needs replacing; small units with thin carbon pads fade fast |
| Ozone generators and ionizers | Sold online as "smoke eaters" | Poorly | Mask it rather than remove it | Ozone is a lung irritant; California limits ozone from air cleaners |
On ozone: ionization can produce ozone as a by-product, and electronic air cleaners sold in California must meet ozone emission limits set by the California Air Resources Board (IEEE, air cleaners overview). For a room people sit in for hours, we would avoid any device whose main job is making ozone.
Why carbon weight decides whether the smell goes
Cigar smoke is especially heavy on odor. Carbon removes odor by adsorption: smell molecules stick to the inside of the carbon's pores until the pores are full. More carbon means more pores, which means the unit keeps removing smell for longer before it needs a refill. That is the difference between a unit that works for a week and one that works for months.
For reference, the Airpura models we recommend for cigar smoke carry 26 lb of carbon (T600, T600 DLX, T700) and the industrial 900 carries 19 lb of Super-Gas carbon behind a MERV-13 particle filter. Many small consumer purifiers hold well under a pound. Our best air purifier for cigar smoke guide compares the options in more detail.
Smoke eaters for bars and cigar lounges
A commercial room needs two things working together:
- Ventilation: exhaust fans and makeup air that move smoky air out of the building. This is engineered to your room, occupancy and local code, usually by an HVAC contractor.
- Smoke eaters inside the room: they capture smoke near where it's made, so the room stays clear between air changes and the smell doesn't settle into furniture.
A smoke eater does not replace ventilation, and check your state and city smoking rules before you plan a smoking room at all. To size the air side, our cigar room ventilation and smoke eater sizing guide walks through the CFM math, and the how to open a cigar lounge guide covers the rest of the build.
Smoke eaters for a home cigar room
At home there is usually no commercial exhaust, so the portable carbon unit does most of the work. Three things matter most:
- Size it to the room and the smoke: one person with a cigar in a closed den is different from four people on a Friday night.
- Place it where people smoke: close to the chairs, with space around it so air flows freely, not tucked in a corner.
- Run it high during and after a session, then lower to keep the room fresh. Fresh air from a window or exhaust fan still speeds things up.
The Airpura T600 vs T600 DLX vs T700 comparison shows which of the three suits which room.
What running a smoke eater costs
The purchase price is only part of it. Electrostatic cells need regular washing to keep working. Carbon fills up and has to be replaced: how often depends on how much smoke the unit handles, so heavy daily use means more frequent changes. Before you buy, check what the replacement filters cost and how easy they are to get. Our Airpura replacement filters guide lists what each filter does.
Ready to clear the smoke? Compare our cigar smoke eaters and air purifiers by room size, or ask for a free room plan if you're fitting out a lounge.
Frequently asked questions
Do smoke eaters really work?
They work on what their filters are built for. Electrostatic and HEPA-type units clear the visible haze well. Only units with a substantial bed of activated carbon remove the smell. A unit that only ionizes or makes ozone does little for either.
Do smoke eaters remove the smell of cigar smoke?
Only if they contain enough activated carbon. Particle filters let odor gases straight through. For cigar smoke, look for carbon measured in pounds, not a thin carbon-dusted pad.
What is the difference between a smoke eater and an air purifier?
"Smoke eater" usually means a unit designed for heavy smoke, often ceiling-mounted in bars. Portable air purifiers with heavy carbon do the same job in homes and lounges. The filter stages matter more than the name.
Are ozone smoke eaters safe?
Ozone is a lung irritant, and California limits ozone emissions from air cleaners. We would avoid devices that clean the air by producing ozone in rooms where people sit.
How big a smoke eater do I need?
It depends on the room volume, how many people smoke at once and whether the room has exhaust. Our ventilation guide covers the math, or call (985) 531-8513 with your room size and we'll size it with you.
Can a smoke eater replace ventilation in a bar or lounge?
No. Ventilation removes smoky air from the building; smoke eaters clean the air inside the room between air changes. Commercial rooms need both, designed to local code.
Related guides
- Best air purifier for cigar smoke
- Cigar room ventilation and smoke eater sizing
- How to get rid of cigar smell
- Airpura T600 vs T600 DLX vs T700
Sources: US EPA, "Effectiveness of portable indoor air cleaners: sensory testing results"; IEEE, air cleaners (ozone and CARB limits); Airpura published specifications for the T600, T600 DLX, T700 and 900. Prices and specs checked November 2026.
