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Design and installation of compliant commercial mechanical exhaust systems for new builds, refurbishments and upgrades. Engineered to required standards.
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We install and upgrade commercial exhaust systems tailored to building use, occupancy loads and regulatory requirements.
Compliant exhaust systems ensuring odours and contaminants discharge correctly outside the building envelope.
Compliant exhaust systems ensuring odours and contaminants discharge correctly outside the building envelope.
Mechanical exhaust and supply systems with CO monitoring, compliant with AS 1668.2.
Smoke exhaust systems for fire-rated zones and egress paths, coordinated with fire engineering.
Exhaust and supply ventilation for switchrooms and plant spaces requiring controlled air changes.
Mechanical removal of heat, fumes and contaminants in warehouses, workshops and industrial spaces.






We design and install mechanical exhaust systems across occupied commercial buildings, hospitality venues, carparks and critical facilities throughout SEQ. From single amenities exhaust systems to full smoke and spill installations, works are delivered safely, compliantly and with minimal disruption.


Mechanical services built for operational reliability and long-term performance.






Trusted by tradespeople across South East Queensland for a reliable, professional and rewarding place to work.
“We had a fantastic experience working with Mark and the team at Chill Merchants.
They installed a large air con system in our workshop and office where several high temp machines run all day. These ducted units are big and heavy, and I wanted experienced tradesmen doing the job, and that's what we got.”

“Chill Merchants were engaged by Bryant Building Contractors to deliver the mechanical services package at Bryant’s recently completed, Energy Quuensland Esitrain Redevelopment project and performed strongly from pre-tender until completion.
Their team completed all contracted works competently, efficiently, and in full accordance with project drawings and specifications. Communication was clear, site coordination was smooth, and their commitment to meeting program deadlines was evident throughout the build. Chill Merchant’s professionalism and reliability contributed to a seamless delivery, and Bryant will actively seek their services for future project.”


“As a commercial builder, we have engaged Chill Merchants to deliver mechanical services on several projects, ranging from straightforward HVAC installations to design-and-construct mechanical works. In each case, their team has been highly professional and easy to work with, integrating smoothly with our site operations and schedules.
Communication with Chill Merchants is excellent. They keep our project team well-informed and provide honest, practical advice at every stage. This candid guidance has helped us make informed decisions without any unwelcome surprises. We’ve found them reliable, proactive in solving issues, and committed to doing the job right the first time.
Based on our experience, we confidently recommend Chill Merchants for commercial mechanical services. Their straightforward, collaborative approach and integrity make them a valuable partner on any construction project. We would not hesitate to work with them again in the future.”

The Chill Merchants team completed all contracted works competently, efficiently, and in full accordance with project drawings and specifications.
Communication was clear, site coordination was smooth, and their commitment to meeting program deadlines was evident throughout the build. Chill Merchants' professionalism and reliability contributed to a seamless delivery, and Bryant will actively seek their services for future projects.
Expert advice and compliance updates for commercial HVAC systems across South East Queensland.

Common questions about working with Chill Merchants across Brisbane and South East Queensland.
A mechanical exhaust system is a ventilation system designed to remove stale air, heat, fumes, odours, smoke, grease, or contaminants from a building using mechanically powered fans and ductwork. These systems are commonly installed in bathrooms, kitchens, car parks, workshops, plant rooms, warehouses, and commercial tenancies.
Mechanical exhaust systems help maintain indoor air quality, manage heat loads, remove airborne contaminants, and assist buildings in meeting NCC and Australian Standards compliance requirements. In many commercial applications, they are a critical safety and compliance component.
Requirements depend on the building classification and use. Exhaust systems are commonly required for:
Mechanical ventilation requirements are generally governed by the NCC, AS1668 standards, and project-specific engineering documentation.
In many commercial applications, yes. Systems often require mechanical engineering design to ensure correct airflow rates, pressure balancing, outside air quantities, smoke control requirements, and compliance with Australian Standards and NCC requirements.
Yes. Chill Merchants can assist with the supply, installation, modification, and upgrade of commercial mechanical exhaust systems across a range of applications, including offices, retail, hospitality, warehouses, and tenancy fit-outs.
Common systems include:
Yes. Existing systems can often be upgraded to improve airflow performance, compliance, energy efficiency, tenant comfort, or accommodate new tenancy layouts and fit-outs.
Compliance depends on several factors including airflow performance, duct design, outside air quantities, fire rating requirements, and commissioning results. We recommend having commercial systems inspected and assessed if there are concerns around performance, compliance, or tenant comfort.
If you have any questions about our services, please don’t hesitate to reach out.
We’re always happy to help!
