As we transition out of peak summer, many HVAC systems will soon engage their heater banks for the first time in months. This poses a significant, often overlooked fire risk. Over the humid summer, internal duct insulation can degrade, lose its adhesive, and sag directly onto the heating elements. When these banks finally energise, any […]
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 […]
During January and February, commercial air conditioning systems in Queensland and Northern NSW operate under maximum load. Last summer (2025) served as a stark reminder of the volatile conditions our infrastructure must withstand, characterised by record-breaking heat and intense moisture:🌡️ Extreme Heat: Temperatures soared to 47.5°C at Birdsville Airport on 12 February 2025 [1] —marking […]
Welcome back to the Clean-Air Facts Series — your monthly source of concise, science-backed insights into the unseen forces shaping indoor environments.In this second edition, we continue exploring how air quality affects health, comfort, and building performance. Over the past few weeks, we’ve looked at new angles — from how humidity and filtration influence microbial […]
Welcome to the Clean-Air Facts Series — a weekly dose of bite-sized, science-backed insights that reveal the hidden impact of the air we breathe indoors.Each week, we’ll highlight a new fact about air quality, HVAC systems, environmental conditions, and the role clean air plays in our health, productivity, and infrastructure. Then, every 5 weeks, we’ll […]
Common Challenges with RisersAccessing and maintaining HVAC Risers can be challenging due to their central placement within a building or attachment to an outer wall. Typically spanning multiple stories, HVAC risers are crucial for multi-story buildings and high-rise structures, enabling centralised control of climate systems and ensuring consistent indoor air quality and temperature.An HVAC riser […]
Multi-enzyme cleaners harness the power of biological enzymes—specialised molecules that accelerate chemical reactions—to target and break down contaminants with precision, following a lock-and-key model where each enzyme fits a specific type of residue. When sprayed onto a surface, these cleaners introduce beneficial bacteria that rapidly multiply and begin producing enzymes. These enzymes initiate the breakdown […]
Project SummaryFull System HVAC HygieneBuilding TypeAirportLocation:Brisbane(left) Photo Credit: Kgbo, CC BY-SA 4.0, via Wikimedia Commons(right) Photo Credit: Shutterstock / Matt Makes PhotosThe project encompassed a comprehensive HVAC hygiene maintenance service, ensuring a cleaner and healthier indoor environment at the airport. Importantly, our staff hold the associated security passes required when working in high-profile secure buildings, […]
Fibreglass-lined ductwork is widely used in many commercial heating, ventilation, and air conditioning (HVAC) systems across Australia. The fibreglass liner offers two key benefits:Thermal insulation: Helps maintain the temperature of conditioned air, preventing heat/cooling loss.Sound attenuation: Reduces noise from HVAC equipment and adjacent spaces.However, over time, factors like air turbulence, fluctuating temperatures, and humidity can […]