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Why is kitchen exhaust cleaning so important?

The exhaust gases created by cooking processes leave a greasy residue on the inside of the ductwork. The heat which is removed by the exhaust system heats this residue, which increases its ability to ignite. The three elements required for a fire are air, fuel and heat. These three factors are present in the exhaust system just waiting to be pushed to the point of ignition. A simple flare up while cooking is all it may take. You may put the fire out in the sauce pan but the flare up may have ignited the grease in the ductwork, this is not as easy to extinguish as the ductwork usually disappears into the ceiling cavity.

The residue in the exhaust ductwork can potentially be food source for vermin, who enter the ductwork when it is not operational. A health issue in any case.

The losses can possibly send your business into a financial downward spiral.

How often should kitchen exhaust systems be cleaned?

Summary

• Lowers the risk of financial loss caused by a serious fire.
• Removal of the fire hazard.
• Removal of food source of insects and rodents.
• Complies with local Fire and Health regulations.
• Complies with insurance requirements.
• Brings Peace of Mind to you and your employees.
• Improved internal and external appearance.
• Lower Electrical Costs.
• Improved Equipment Efficiency.
• Improved Operating Capacity.
• Prevention of Costly Breakdowns.
• Extended Equipment Life.
• Healthier Indoor Environment

Why is HVAC cleaning so important?

"Most people are aware that outdoor air pollution can damage their health but many do not know that indoor air pollution can also have significant health effects. Environmental Protection Agency studies of human exposure to air pollutants indicate that indoor levels of pollutants may be 2-5 times, and occasionally more than 100 times, higher than outdoor levels. These levels of indoor air pollutants may be of particular concern because most people spend about 90% of their time indoors." [USA-EPA]

Any surface within the building will accumulate dust, if left uncleaned. The dust can comprise of bacteria, mould spores, pollen, dust mites, building material, pet hair, cooking oils, soot, paper and other particulate matter. Air moving through the air conditioning system will redistribute the contaminants back into the rooms we occupy.

It is estimated that the average 140 square metre home generates 18 kilograms of dust per year.

The dust mites, furry pets, cockroaches, and mould and fungi often cause allergy triggers indoors. These allergies are the body's physical reactions to inhaled airborne particles called "allergens." By removing contaminants from your ducting systems you also remove the source of the allergens.

10mm of dust in your duct work can reduce efficiency by up to 21%.

A professional duct clean can easily be seen to add benefits to your building health and the operational costs of the HVAC systems. The following are some possible areas where benefits are found:

1. Indoor Air Quality.
   • Sick employees - microbial activity
   • Under performing employees - stagnate air
   • Provides mitigation - duty of care
   • Increase in allergies - watery eyes
   • asthma - increased occurrences due air borne dusts.
2. Inefficiencies due to dirty duct work.
   • Decreased operation cost. The plant is not required to work as hard.
   • Airflow throughout the building is return to normal. The removal of contaminants from duct work reduces flow resistance therefore allowing the system to operate at designed capacities.

USA EPA guide for Building Air Quality
How often should air conditioning ducts be cleaned?

Summary

• Healthier indoor air quality
• Reduces allergy pollutants - mold, dust, mites.
• Removal of odour source.
• Provides mitigation.
• Brings Peace of Mind to you and your employees.
• Lower Electrical Costs.
• Improved Equipment Efficiency.
• Improved Operating Capacity.
• Prevention of Costly Breakdowns.
• Extended Equipment Life