ABOVE Modern Office Climate Control: Most office occupants never see the inner workings of a chilled beam. This unit is lowered for deep-hygiene restoration, revealing the heat exchanger coils. Maintaining these surfaces is critical; when dust and biofilm accumulate here, the system loses its energy-efficient edge and indoor air quality (IAQ) begins to decline. Credit: Clean-Air Photo Archive © 2023
Project Overview
This large-scale HVAC hygiene project involved servicing over 90 chilled beams per floor in a premium office space. Chilled Beams are ceiling-mounted convection systems that use water-filled coils to provide high-efficiency cooling and comfort. However, because they rely on natural or induced airflow, their performance is entirely dependent on the cleanliness of the heat exchanger.
ABOVE Pre and Post Restorative Cleaning in Progress: The left image shows heavy dust and debris accumulation, which acts as a barrier to thermal transfer. On the right, the coil is fully restored following our water-less agitation and HEPA-extraction process—clearing the path for optimal airflow and energy efficiency. Credit: Clean-Air Photo Archive © 2023
Pre vs. Post Decontamination
As you can see in the Pre vs. Post photos, these coils were significantly impacted by dust and debris. When a chilled beam is blocked, airflow drops, energy costs spike, and indoor air quality (IAQ) suffers.
ABOVE Advanced Containment: Using precision plastic sheeting to create a localised work zone, ensuring zero cross-contamination while dislodging particles from the cooling fins.. Credit: Clean-Air Photo Archive © 2023
Our Methodology: The Water-Less Precision Clean
To protect the office environment and ensure zero downtime, we utilized a dry-recovery approach:
Containment: Specialised plastic sheeting to ensure zero cross-contamination within the workspace.
Mechanical Agitation: Using soft-bristled brushes and specialised tools to dislodge dust trapped by electrostatic forces in the narrow coil fins.
HEPA Extraction: Industrial-grade H13/H14 HEPA vacuums were used to capture particles down to 0.3 microns, ensuring no dust was recirculated into the room.
Aeris 12-Month Microbial Shield
ⓘ As an Aeris Environmental Platinum partner, at Clean-Air, we opt for Indoor Coil Treatment provides up to 12 months of residual lasting protection to control and prevent mould and odour-causing bacteria. It minimises recontamination and improves airflow and performance of the heat exchanger, optimising energy efficiency, reducing running costs, and extending asset life.
Featured Product
To go beyond a simple clean, we applied a specialised residual treatment to the coils and surfaces. This Aeris technology provides:
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12 Months of Residual Protection against mould and odour-causing bacteria.
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Bio-static Barrier that inhibits recontamination and biofilm build-up.
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Extended Asset Life by preventing corrosive microbial growth.
By preventing recontamination, we aren’t just cleaning for today—we are:
✅ Improving airflow and heat exchanger performance.
✅ Optimising energy efficiency and reducing running costs.
✅ Extending the life of the asset.
Clean. Sanitised. Shielded for 12 months.
To safeguard your building’s efficiency and enhance indoor air quality, trust Clean-Air’s expertise in chilled beam sanitisation and microbial shielding. With specialist water-less cleaning equipment and extensive experience in high-density office spaces, we offer tailored solutions to keep your coils clear, compliant, and operating at peak performance. Contact us today at Clean-Air to discuss how our 12-month protective treatments can help you maintain a healthy, energy-efficient indoor environment. Get in touch here
