Technology used for HVAC services in Charlotte has long been under-utilized in commercial buildings in filtration when it comes to indoor air quality in Charlotte. Relatively few commercial buildings have high-efficiency filtration equipment installed, and even fewer buildings have molecular/gas phase filters installed. The recent criminal events of airborne biological exposure in public buildings have heightened the interest in improving filtration because high-efficiency filtration. Now, air cleaning is one of the few proactive techniques for controlling airborne weapons of mass destruction. However, like the other issues in the “Hit-List,” filtration upgrades should be driven by thorough risk assessment analysis and related cost/benefits analysis.
Assuming the filtration improvement is supported by risk analysis, the following recommendations will aid in the selection and upgrading process. Although not an over-riding “silver-bullet,” enhanced filtration and air cleaning can add significantly to the building security capability. General information about filters is covered in this article and is devoted to discussing this technology. However, the following comments are pertinent specifically to building security and are included or reiterated for this discussion.
Understand the Air Pathway
Prior to filter enhancement selection, understand in full, the air handling system capabilities and capacity; filtration efficiency requirements; and nature, source and probable pathway of the contaminants of concern. Indoor air quality Charlotte is very essential for a daily living.
Evaluate the Filter Retainer System
Prior to any filter modification or upgrades, physically examine existing filter installation banks, including slide track, retainers and access doors to ensure proper fit, seal and avoidance of by-pass. Experience indicates from 5 percent to 25 percent air by-pass and leakage around the filter retainer/tracking system in typical commercial buildings. By-pass around or between retainer frames, around filter cartridges or between filters and access panels must be repaired and sealed to gain the control benefit of the extraction process.
Seal the Filter Cartridge
Gasketing must be examined for integrity and resiliency. Flawed seal surfaces should be repaired and upgraded to resilient gasketing material, such as neoprene.
Seal Side-load Units
Slide-in filter units should be gasketed, and cartridges sealed between mating filter frame surfaces. This avoids air by-pass between modules, due to frame distortion and dimensional variance.
Upgrade 2” Pleats to Higher Efficiency Media
Though more expensive than lower performing selections, these upgrades are feasible with relatively low additional operating cost premiums. Thus, they can provide substantial improvement in particle control without system modification and represent a cost-effective way of enhancing cleanliness and indoor air quality in Charlotte.
If you have any questions, please feel free to contact our team at (704) 323-8004 today!
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