air filtration hvac Articles

  • Effects of UVGI filtration on indoor air contaminants and HVAC systems

    Proprietary High Intensity UVC (Germicidal 254 nm) Mercury Vapor Quartz Lamps designed to prevent and destroy mold and other microbial growth on the A/C coil and eliminate biological contaminants and chemicals in the air. Ultraviolet light destroy biological & chemical contaminants TOMIES proprietary High-Intensity Mercury Vapor Quartz Lamps produce UVC and UVV (both ...

  • Gas-phase air filtration: Protecting you from what you can’t see.

    Air filtration, covered previously, targets solid matter (particulates) such as dirt, dust, leaves, and any visible airborne debris. Gas-phase filtration is for the unseen pollution that is airborne gases that may have an odor–but not always. This is chemistry that came from a liquid or solid to become a gas at ambient temperature. Gases act very differently than particles since they are ...


    By ProMark Associates, Inc.

  • It’s Time to Rethink Cooling Tower Filtration

    ABSTRACTThe dissipation of ambient or process heat in large HVAC systems, manufacturing facilities, power generation plants, refineries, metal mills and forges, chemical plants and food processors is most often accomplished by cooling towers. These simple structures facilitate the transfer of unwanted energy (heat) from a transport liquid (usually water) to the atmosphere. The bane of cooling ...

  • What is Indoor Air Quality?

    Indoor Air Quality (IAQ) refers to the degree of air purity inside buildings that constitute the usual environment in which people carry out activities (offices, homes, schools, shopping and leisure centres, etc.) Because of increasing urbanisation and our contemporary lifestyle, most people spend a large proportion of their time in these closed environments. The high level of atmospheric ...


    By Bioconservacion SA

  • ‘Sleeper’ Issue: Indoor Air Quality

    Thirty percent of commercial buildings in the United States have poor indoor air quality (IAQ), according to an ...


    By ProMark Associates, Inc.

  • How to Choose the Right Commercial Air Filter

    When it comes to selecting a commercial air filter, or air filtration system, there are many variables that have to be considered. In general, the choice of which air filter can be made a bit easier by first defining the overall goal that you are trying to achieve which is usually one of two options. Is the purpose of the filter to protect the air circulation equipment, or is it to provide a ...


    By Camfil Ltd

  • How to Get Higher Acceptable Indoor Air Quality Anywhere

    The quality of the indoor air we breathe is a concern for everyone, especially those in urban environments where contaminant and particle levels are higher due to nearly constant exposure to things like automobile and truck exhausts, construction, and fumigation. Unfortunately for most people, when it comes to the quality of the air in the buildings where they spend most of their time, ...


    By Camfil Ltd

  • Volvo dealer in Sweden compares air quality indoor and outdoor - Case Study

    Two AQMesh pods were used to measure NO, NO2, O3 and CO during May and June 2017 at the largest combined Volvo, Ford and Renault car dealer in Stockholm, Sweden, located on the highway between Stockholm city centre and Arlanda airport. The objective was to measure the air quality outside and inside the combined showroom and workshop, demonstrating the importance of measuring common ...


    By AQMesh

  • Confusion over the word “filter”

    I find that using the word “filter” conjures up very different pictures and understanding in people’s minds as everybody has the reference of home furnace filters–mostly the low end of possibilities. There are many filter types and various purposes making it very confusing. Here’s what I say to make sure who I’m talking to understands what I am talking about. ...


    By ProMark Associates, Inc.

  • Tips for Facility Managers Tasked with Mitigating Indoor Allergy Complaints

    When an employee comes to work and develops allergy symptoms that improve or go away once they leave their work environment, it is often a good indication that there are indoor allergens in the building.  Once an employee recognizes that this is likely the case, they will often speak to their supervisor or human resources department to share their concerns.  At this time, in many ...


    By Cochrane & Associates, LLC

  • Executing Regular, Preventive Maintenance of your Gas Furnace

    Your gas heating system was designed to go on for several years, and you can significantly extend that time by executing regular, preventive maintenance. The following suggestions will allow you to maintain your furnace working efficiently for as long as possible, and limit costly fixes in the future. Run it safely Prior to beginning any repair work, be sure that circumstances ...


    By Primo Heat Inc

  • Vaccu.Lan for Green

    You're building a 'green' science building, and some of your laboratories require vacuum support. How do you provide vacuum for those labs? You can't use an oil-sealed rotary vane vacuum pumps in the labs. The oil mist would contaminate the laboratory air, and the noise pollution makes the working environment unpleasant. The pump oil would quickly be contaminated by biological and chemical ...

  • PFC Pollution in the office environment

    A new study suggests that exposure to chemical pollution could be a particular problem in the office environment. Researchers in the United States have found a link between Polyfluorinated Compounds (PFCs) in the air of a number of offices and their presence in the blood of the people working there. Polyfluorinated Compounds are water and stain-resistant and they have been used for many ...


    By Commercial Air Filtration

  • Do You Smell Something Burning?

    For safety and insurance purposes, most if not all mechanical codes have requirements with regards to fire safety for materials used in a building’s HVAC systems. For instance, the State of Ohio (USA) MechanicalCode states in the section on “Air Filters” that: ...

  • How to Germ-Proof your office

    Have you had time off work this winter for a cold or flu? Or do you and your colleagues always feel you have to 'struggle in' or go back before you were really well, because of pressure from work? If it's the latter, then it's likely that your office is a hotbed of germs (microbes) at the moment - and that poses an immanent threat to people suffering with allergies and asthma. So I've rounded up ...


    By Commercial Air Filtration

  • Interviewing James Mash, Director Of New BION-USA Business Unit

    James Mash, past President /CEO of Purafil Inc., joins Bioconservacion, as our Director of our new business entity BION – USA based in Atlanta, Georgia. James has been in the air purification industry for more than 20 years, during which time he has held top management positions in manufacturing, sales and management. His background in this business gives him an overall understanding, ...


    By Bioconservacion SA

  • What is Activated Carbon?

    Adsorption with activated carbon can apply. The more awareness people have of the Earth, the more applications activated carbons will have. is thus a commonly seen process in applications such as gas masks, space capsules, nuclear plants and so forth, in which the removal of gases is highly needed. ...


    By Cocarb

  • IAQ investigators often overlook Bacteria as the Root Cause of Occupant Complaints

    Untitled Document Many investigators have been dealing with mold issues the last few years and may have been overlooking bacteria as the underlying microbial problem. Bacteria ...


    By EMSL Analytical, Inc.

  • Water Sustainability

    I7.1  | Water Optimization – 30% Groundwater Use Reduction Tabatha Pellerin, Senior Program Manager, AECOM AECOM assisted the Entergy Lewis Creek gas/coal fired electric power plant with water conservation efforts prompted by a goal of 30% ...

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