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IAQ (Indoor Air Quality)

Indoor Air Quality (IAQ) refers to the air quality within and around buildings and structures, especially it relates to the health and comfort of occupants. IAQ can be affected by various chemicals, including gases (i.e., carbon monoxide, ozone, radon), volatile organic compounds (VOCs), particulate matter (PM) and fibers, organic and inorganic contaminants, and biological particles such as bacteria, fungi, and pollen. The effects of indoor air pollutants range from short-term effects - eye and throat irritation - to long-term effects - respiratory disease and cancer.
ESP (Electrostatic Precipitator) for AHU & FCU
ESP (Electrostatic precipitator) works on Anode-Cathode principle. All airborne particles, even of 0.01?m size, are electrically charged (positively) as they pass through a high voltage ionizer. These charged particles are then attracted to and adhere to a series of parallel collecting plates. Purified clean air will discharge to create clean and healthy indoor air quality.

  • PM2.5 purifying efficiency reaches 95%
  • Pressure drop is lower than 20Pa @ 2.5m/s velocity.
  • Micro-organism purifying efficiency reaches 95%
  • Washable for repeated use as no replacement, no consumable material.
  • Comes with a pre-filter to prevent larger dust particles entering ionizer/collector units
  • Signal indicator indicates the device operation.

Smoke Eliminator
Smoke is a collection of airborne particulates and gases emitted when a material undergoes combustion or pyrolysis, Together with the quantity of air that is entrained or otherwise mixed into the mass. It is commonly an unwanted by-product of fires. Many compounds of smoke from fires are highly toxic and/or irritating. The most dangerous is carbon monoxide . Smoke inhalation can therefore quickly lead to incapacitation and loss of consciousness. Smoke Eliminator is ideally suited to rooms where people work or relax such as restaurants, bars, office spaces, computer rooms and designated smoking areas.

  • ARC Suppression Power Supply (Reduces disruptive snapping noise and extends life of power supply)
  • Low Profile Design.
  • Fits in a ceiling panel or surface mounts.
  • Removes up to 95% of tobacco smoke, dust, pollen, lint, bacteria and mold spores.
  • Re circulates Clean Indoor Air.
  • Service Indicator Light failure.
  • Hinged Access Doors( Easy to maintain and remove filters)

Air Sterilization
Air sterilization acts on airborne microbiological organisms or microorganisms. Unlike filters, which collect pollutants as they pass through HVAC system, ultraviolet light purifiers neutralize the pollutants. A properly installed UVC light disinfectant system will emit doses of short wave ultraviolet “C” light as the air passes through the system. The highly intensive radiant UVC light kills these spores, mold, bacteria and viruses carried in the air. UV light has been proven for decades to effectively disinfect air, surfaces and water. EPA has shown that UVC purifiers to be 99% efficient at inactivating below harmful contaminants.
  1. Influenza-A
  2. Staphylococcus
  3. Streptococcus
  4. Tuberculosis etc…

Steril-Zone (UVC Emitter)
In the 1990s, Steril-Aire, Inc. pioneered the use of UVC light for microbial control in commercial and residential air conditioning systems. Steril-Zone brought in market by Steril-Aire, the leader in UVC technology. In this technology air flows through a three-stage purification zone that destroys allergens and pollutants to bring you a whole new level of air cleaning. The Steril-Aire UVC Emitter™ produces energy in the ultraviolet spectrum to penetrate the tiniest microbes, destroying their DNA and RNA.

Steril-Zone combines three scientifically proven air purification technologies - one for each class of pollutants – to provide a safe, effective and energy-efficient way to clean the air in rooms up to 70 square meters.

  • Use patented UVC germicidal technology to destroy biological contaminants
  • Reduces the spread of infectious diseases caused by bacteria.
  • Destroys airborne viruses that cause colds, flu and other infectious ailments.
  • Uses a high efficiency pleated filter media that traps particulates without using electrostatic charges.
  • Safe & ozone free.
  • Reduces or eliminates symptoms of allergies, asthma triggered by mold or bacteria

Kitchen Exhaust
People use a variety of heat sources to cook food, including gas, wood, and electricity. Each of these heat sources can create indoor air pollution during cooking. Natural gas and propane stoves can release carbon monoxide, formaldehyde and other harmful pollutants into the air, which is toxic to people. It can also generate unhealthy air pollutants from heating oil, fat and other food ingredients, especially at high temperatures. Exposure to these can cause or worsen a wide range of health problems such as nose and throat irritation, headaches, fatigue and nausea. Young children, people with asthma and people with heart or lung disease are especially vulnerable to the harmful effects of indoor air pollution.

Dry Scrubber
Dry Scrubber is ideal for removal of smoke, oil, grease & fumes associated with grilling & frying cooking operations. It comes in T-series. It has ability to clean contaminated indoor air and re circulate back into work area finally reduce operation cost .This range also introduces a modular and cost-effective automatic wash system associated with much larger air cleaning systems.

  • Extra Depth collector cell
  • Spiked ionizer
  • High efficiency (Between 90-95%)
  • Permanent ionizer/ collector elements.
  • Low pressure drop

Energy efficiency
  • Increase in efficiency by reducing filter spece ---saving of 10-16%
  • Increase in efficiency by keeping coils free of any dust or bio film.
  • Increase in efficiency by the use of Electronic expansion valve
  • Increase in efficiency by the use of Digital Compressor.

PHI Solution
York® AHU, FCU offer TiO2 filter for last 2 decades
  • Primary objective: Odour control / VOC gas elimination
  • Uses small output UVGI – to react with TiO2 material, leading to a chemical reaction, which will help to break down VOC
  • Referred as PCO: Photo Catalytic Oxidation
  • Being proposed by other manufacturers for Infection spread, in the last one year
  • No evidence / Research papers available yet – proving its effectiveness for air stream disinfection.