Bars and Restaurant Smoke Eaters

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If you’re the owner or proprietor of a bar or restaurant, then you are probably familiar with the age-old nonsmoker vs. smoker controversy… You have both smoking and nonsmoking sections in your bar/restaurant, and your nonsmokers are complaining about the horrible smell emanating from across the dining area… sound familiar?

There are a few ways to handle this problem:

1. You ignore it and potentially lose patrons
2. You issue a non-smoking policy, potentially losing patrons
3. You exhaust the smoke, along with much needed heating and air conditioning
4. You install air cleaning equipment, keeping everyone content, and maintaining a level of consistent patronage.

Choosing the proper air cleaner for your particular situation can often be a difficult task. As there are so many products available that are designed to do essentially the same job, it can be frustrating trying to determine which of the smoke eaters you saw today will offer the best performance for your investment.

There are different methods for effectively cleaning up the air in your bar or restaurant, and the method that will work best for your establishment will be determined by various factors. These factors include:

1. The size of the area
2. The number of smokers
3. The amount of pollutants being generated
4. The length of time the contaminants are present

The key element to effectively removing the contamination from your environment is air exchanges. The better your air exchange rate and airflow pattern, the more satisfied your customers and employees will be. One of the above mentioned variables being the amount of pollutants being generated, you’ll want to determine what it’s going to take to rid your air of the harmful pollutants.

I’ve provided a quick reference chart to give you an idea of what kind of air exchange you’ll want to achieve for popular scenarios in a bar/restaurant setting. My calculations are a tad aggressive, since people’s expectation levels are different, and you always want to be able to turn your air cleaner up to a higher fan setting in extreme circumstances… the bottom line is, you don’t want your air cleaner to be working overtime and only acheiving the bare minimum, because what happens when the contamination levels increase? You end up with a negative opinion of the performance of the air cleaner, and more importantly, your clientele may suffer because of it.

Mild to moderate amounts of smoke (just noticeable) - 6-8 air changes per hour
Moderate to moderately heavy (more noticeable) - 8-10 air changes per hour
Heavy (still breatheable, but annoying) - 10-14 air changes per hour
London Fog (so heavy you could cut it with a knife) - 15+ air changes per hour* (recommended for designated smoking areas, like cigar lounges and the like.) *consult a professional in a case like this

All too frequently, people make the mistake of undersizing their application, based on incorrect room size calculations, misinformation about the air cleaner, or, most commonly, equipment cost. It is no secret that the proper selection of smoke eater or smoke eaters can get costly; however, in the air quality industry, you certainly get what you pay for. All too often, people will base their decision on cost rather than effect, and that is almost always a recipe for disappointment. For example, if you were invited to compete in a drag race, and had to purchase a vehicle, would you buy a go-kart just because it was cheaper? Of course not! The point is, you need the right tools for the job in order to acheive your goal.

Now, I know that there are also circumstances that are simply cost-prohibitive… the equipment you need to do the job properly is significantly more than the budget you’ve set aside for the project… this is a rather common occurrence, due to lack of knowledge of the industry, or the perceived value of the equipment. As with many types of purchases, there are usually options that are available to aid in budgeting the overall cost, such as leasing options, payment plans, etc… Not all companies have these commodities available to their clients, but some do… It’s definitely worth checking out if you need a solution to your problem.

I hope the above information has been helpful, and feel free to comment on anything I may have failed to mention. If you have questions or need assistance, give us a call toll free:

1-877-688-2703

2 Comments »

  1. Marc Said,

    March 25, 2006 @ 3:48 pm

    i have read where CADR is an important rating factor in the selection of a system, is this true? or industry hype?

  2. Rod Yarbrough Said,

    March 27, 2006 @ 2:02 pm

    Marc,

    The CADR (Clean Air Delivery Rate) is a test designed by AHAM (Association of Home Appliance Manufacturers) for the purpose of measuring the effectiveness of an air cleaner. Consumer Reports magazine is among many publications which base their air cleaner ratings on the CADR tests. There are many people in the industry that argue that the test is flawed and outdated, I tend to agree.
    Some key points to the concern are:

    1. The CADR test does not distinguish between permanent particle removal and temporary particle removal. This distinction is essential, because particles which an air cleaner deposits on room surfaces may be easily re-launched into the room air. The CADR test gives an advantage to ionizing type air cleaners, the EPA has warned about these types of air cleaners (www.epa.gov/iaq/pubs/residair.htm) and recognizes the possible health effects. Under the section “Possible Effects of Particle Charging”, the EPA Summary on Residential air cleaners states: “Another factor with respect to ion generators… is the effect of particle charging on deposition in the respiratory tract. Experiments have shown a linear increase in particle deposition with charge; therefore, the use of ion generators may not reduce the dose of particles to the lung.”

    2. The CADR test does not use a realistic representation of indoor pollutants but uses coarse and fine coarse particles, which make up less than 1/4 of all indoor contaminates. Independent tests have proven that machines that perform well on the CADR test may be less than 50% effective in real-world settings. The test also only measures reduction of contaminates for 30 minutes, which does not emulate real world conditions.

    3. Though part of the CADR test says it is testing for tobacco smoke, the CADR test does not actually test for the chemical fumes or odors which make up a huge portion of this type of contaminate. In fact, the CADR does not account for testing any chemical fumes, vapors or odors. Chemical fumes and odors are a large part of indoor pollutants and machines that address these concerns use granulated carbon, which would decrease airflow and cause the machine not to perform well in the CADR test. This is another area where the CADR test not only is lacking, but is a little misleading to consumers.

    The Energy Star program was looking to award the Energy Star logo to units whose CADR performance and electrical consumption fell within a certain range. Frank Hammes, President of IQAir North America, Inc. and Richard Taylor, President of Austin Air Systems Ltd., wrote a commentary titled “Why it is too early for an EPA ENERGY STAR Program for Room Air Cleaners” that addresses the conerns and implications of Energy Star using the CADR test as a guidline, you can download the full pdf here:
    http://www.energystar.gov/ia/partners/prod_development/new_specs…
    Frank Hammes wrote an email to Energy Star which points out several of the CADR flaws. In this email he addresses his frustration with the CADR testing and I agree with many of the points that he makes. You can download the pdf here:
    http://www.energystar.gov/ia/partners/prod_development…

    Inferior air cleaners could perform well in the CADR test which could cause air cleaner manufacturers to make inferior equipment that are designed only to perform well in this test. The result would be that consumers would be misled and end up purchasing inferior equipment. This is not to say that all air cleaners that perform well in the CADR tests are bad, only that the test is flawed, out dated and not an accurate way to determine how effective an air cleaner may be.

    I invite others in the industry to comment on this subject…

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