Decoding the Science of Grease: Why Expert Hood Cleaning Matters

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In the bustling environment of commercial kitchens, maintaining cleanliness is not just about keeping up appearances—it’s a crucial safety practice. One of the most significant challenges in these kitchens is managing grease buildup, which if not properly addressed, can pose serious fire hazards and health risks. At NOVA Commercial Hood Cleaning, we specialize in tackling this greasy challenge, ensuring that your kitchen operates safely and efficiently. This blog explores the science behind grease buildup and the vital importance of professional hood cleaning services.

The Science Behind Grease Buildup

Grease buildup in commercial kitchens occurs as a result of cooking processes that involve oils, fats, and other substances. When these substances are heated, they vaporize and then condense on cooler surfaces, such as kitchen hoods and exhaust systems. Over time, this residue accumulates, forming a thick, sticky layer of grease.

This grease is not just any dirt—it’s a complex mixture of fats, oils, and other organic compounds that are highly flammable. The longer it accumulates, the greater the risk it poses. In fact, according to the National Fire Protection Association (NFPA), the majority of restaurant fires originate in the kitchen, with grease being a leading cause of ignition.

Hazards of Grease Accumulation

Grease buildup is hazardous for several reasons:

  • Fire Risk: Grease is extremely flammable. When it builds up, it can easily ignite from a single spark or high enough heat source, leading to dangerous and potentially devastating fires.
  • Air Quality and Health Issues: Over time, grease can degrade and emit harmful compounds into the air. These pollutants can compromise air quality in the kitchen, posing health risks to staff and patrons, including respiratory issues and skin irritation.
  • Efficiency and Performance: Excessive grease buildup can reduce the efficiency of kitchen exhaust systems. When fans and hoods are clogged with grease, they cannot effectively remove heat and contaminants from the cooking area, making the kitchen hotter and more uncomfortable.

Professional Cleaning Techniques and Equipment

At NOVA Commercial Hood Cleaning, we employ a range of specialized techniques and state-of-the-art equipment to address grease buildup effectively:

  • High-Pressure Steam Cleaning: This method uses high temperatures and pressure to emulsify and remove grease, ensuring thorough cleaning of all components of the hood and exhaust system.
  • Scraping and Manual Removal: For areas with thick grease deposits, our trained technicians use tools designed to safely scrape and remove hardened grease without damaging the kitchen equipment.
  • Chemical Degreasers: We use powerful, yet safe, chemical solutions that break down grease at a molecular level, making it easier to remove and ensuring that even the smallest particles are cleaned away.
  • Routine Maintenance and Inspection: Regular inspections and maintenance are key to preventing grease buildup. Our team provides scheduled services that keep your systems clean and functional, reducing the risk of fire and other hazards.

The Importance of Professional Expertise

Handling grease is not just about cleaning; it’s about understanding its chemistry, knowing how it behaves in different conditions, and being able to safely and effectively remove it from various surfaces. NOVA Commercial Hood Cleaning’s technicians are trained in the latest industry standards and equipped with the necessary tools to ensure that every job is done safely and thoroughly.


The science of grease in commercial kitchens reveals that grease is not merely a byproduct of cooking—it’s a potential hazard that must be managed with expertise and care. By choosing NOVA Commercial Hood Cleaning, you are partnering with professionals who understand the risks and have the skills to mitigate them effectively. Don’t wait for the signs of grease buildup to become evident; proactive hood cleaning is essential to maintaining a safe, efficient, and compliant kitchen.

Contact us today to schedule your next professional hood cleaning and take the first step towards a safer, cleaner kitchen environment.