hvac filtration 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 ...

  • 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 ...

  • Air Filters 101: What You Need to Know About Air Filters

    A lot of people don’t really change their air filters as often as they should – in fact, these people probably aren’t aware of just how often these need to be changed. Quite often, air filters are changed when visible dust and particles gather up on the furnace vents – which should not be the case at all, ideally. Read on to learn more about air filters, and how changing ...


    By Filter Buy

  • Chiller & cooling tower water treatment - case study

    Overview There are three main challenges for treating cooling water in both open and closed loops: scale, corrosion and biogrowth. Water System Challenges The traditional chemical treatment calls for chemicals to deal with these challenges. When scale is present, the condenser’s ability to transfer heat is reduced, causing higher pressure and higher ...

  • 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 ...

  • 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

  • City of Warm Springs, Georgia - Case Study

    The City of Warm Springs is a small community of approximately 500 residents located in central Georgia. In 2010, water testing found a radium level between 8 - 11 pCi/L and a Gross Alpha level of 25 pCi/L, both above state and USEPA drinking water regulations of 5 pCi/L and 15 pCi/L respectively. Engineering Management Inc (EMI) conducted a pilot test in late 2010 to test a manganese dioxide ...

  • Building Energy Management Systems (BEMS) Frequently Asked Questions

    The Building Energy Management Systems (BEMS) sector is growing as organisations realise that BEMS are one of the most effective solutions for optimising efficiency in a building - providing the quick win that organisations are seeking. Energy managers and building owners might have ...


    By ENER-G

  • 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

  • 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

  • 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

  • Hyperion case study - UVC lights enhance air quality

    Located at the center of the Hyperion Wastewater Treatment Plant in Los Angeles, the Pregerson Building was experiencing indoor air quality (IAQ) problems. Built in 2002 to house nearly 400 city employees, the facility rapidly became the source of complaints about poor IAQ and odors. An engineered solution that incorporates both an odor control unit and supplemental ultraviolet- C (UVC) lights in ...


  • 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% ...

  • Byrne-Green Federal Complex Philadelphia, PA - Case Study

    Key Parameters Type of Facility - Existing (EB) Function - Government Area - 26 stories, 1,400,000 sf Project Completed - 2011 Challenges: 1) Improve indoor air quality, 2) meet GSA guidelines for MERV13 minimum filtration, 3) reduce outdoor ventilation air, 4) bring outdoor ventilation air up to indoor air quality ...

  • Dana-Farber Cancer Institute Boston, MA - Case Study

    Key Parameters Type of Facility – Existing Building Function – Laboratory & Offices Area – 100,000+ sf Project Completed – 2012 LEED Registered - LEED-CI v2009 Challenge: Sustainable design. Dana-Farber Cancer Institute (DFCI) is a principal teaching affiliate of the Harvard Medical ...

  • Albany times union newspaper Albany, New York - Case Study

    Key Parameters Type of Facility – Existing (EB) Function – Commercial Printing Area – 17,000 sf printing bay Project Completed – 2010 Challenge: Remove noxious ink smell from inside a large commercial newspaper printing facility. An antiquated rolling media filter system was ineffective at ...

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