ImportanceofQualityIndoorEnvironmentinRestaurants

Importance of Quality Indoor Environment in Restaurants

Whendining in restaurants dining at a restaurant, a customer’s experience is of utmost importance, especially for a first time patron. Not only must the food quality and service rendered be up to par, but so must the environment within the restaurant. An often overlooked aspect of running a restaurant is the indoor environmental quality (IEQ) within the premises.

No matter how great the décor or how current the design of a restaurant is, if the indoor environmental quality (IEQ) isn’t up to snuff, customers will not sit still long enough to notice.

They likely won’t return, and they might even send you their dry cleaning tab. So, whether you run a closed, smoke-free restaurant or not, maintaining the indoor environmental quality (IEQ) in your business premises is of utmost importance.

Common Indoor Contaminants

The main causes of bad odour and staleness in an indoor restaurant are remnant food smell, mould, bacteria and pollutants like cigarette smoke. In fact, indoor furnishings like carpets, curtains and cushions as well as air-conditioners have become fertile breeding grounds for these contaminants which can cause headaches, eye irritation, allergies and fatigue. Below are some common indoor contaminants that can be found in restaurants:

Biological contaminants:

Consist of bacteria, viruses, fungi (mould), dust mite allergen, animal dander, insect biodetritus, fibres and fiberglass, pollen, cockroach allergen, etc. This may result from inadequate maintenance and housekeeping, water spills, inadequate humidity control, condensation, or may be brought into the restaurant by occupants, infiltration, or ventilation air. Allergic responses to indoor biological pollutant exposures cause symptoms in allergic individuals and also play a key role in triggering asthma episodes.

Chemical pollutants:

cigarette smokeChemical pollutants can include tobacco smoke, emissions from products used in the premises (e.g., restaurant equipment; furniture, wall and floor coverings e.g. formaldehyde; and cleaning and consumer products) accidental spill of chemicals, and gases such as carbon monoxide and nitrogen dioxide, which are products of combustion.

Particles: 

Dusty windowParticles are solid or liquid substances which are light enough to be suspended in the air, the largest (8 microns and greater) of which may be visible in sunbeams streaming into a room are typically non-respirable. However, the smaller particles (7 microns and smaller) that you cannot see are likely to be more harmful to health since these are considered respirable. Particles of dust, dirt, or other substances may be drawn into the restaurant from outside and can also be produced by activities that occur in restaurant e.g. operation and maintenance practices, housekeeping practices, operating equipment, construction, remodelling etc.

Managing Indoor Environmental Quality (IEQ)

Breathing in clean indoor air is vital not only for the customer’s health, comfort and well-being but also for the staff working at the restaurant. Restaurant operators can choose among many helpful ancillary tools available to help manage restaurant indoor environmental quality (IEQ).

Open Air

Open air restaurantFor situations where doors and windows constantly open during service periods and disrupt airflow by letting conditioned air out and unconditioned air in, door closers can help alleviate this situation. Air and plastic strip curtains at walk-ins and loading docks can also help keep conditioned air in and unconditioned air out, in addition to barring insects and rodents.

Front Door

At the front door, vestibules provide an intermediate airlock, so that prevailing winds don’t overpower the positive pressure in the dining room. Ceiling fans not only act as a design element, but also help eliminate dead-air spaces. The air movement helps area climate control. Window blinds are also great to shade solar heat while strategically planted shade trees help offset afternoon solar load peaks.

Air Filtering Systems

When it comes to cleaning indoor air, air filtering systems have been used for many years; however, this is not enough as indoor air pollutants are found both in air and on surfaces. An air filtering system can only treat airborne and not surface-bound pollutants, which means there are limitations in cleaning and treating mould and bacteria growth on indoor surfaces.

Sterilization Systems

restaurant with medklinnWith technological advancements, cleaning surface-bound pollutants is now possible with Cerafusion™ Technology air sterilizers, a leading edge patented technology that is designed to produce massive amounts of active oxygen to quickly bind and eradicate  both airborne and surface-bound bacteria, viruses, mould, volatile organic compounds (VOCs) and harmful particles. Extending air cleaning beyond its ordinary limits, this innovative technology destroys these contaminants in a continuous, distributed way, sterilizes  the air and cleans every indoor surface to give you the best indoor environmental quality (IEQ) and indoor environment possible.

Although indoor environmental quality could be considered just part of the mechanical support systems, it should be an integral part of the architectural design process because of its importance to a restaurant’s success. Spend a little bit more on your restaurant’s infrastructure, and it will pay itself back in ways that you cannot directly measure. Most importantly, customers will enjoy their food more if they feel comfortable when dining at your restaurant.


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