Browse our FAQ’s

Welcome to our FAQ page! Here, we’ve compiled a list of frequently asked questions to help you better understand our services and processes. From inquiries about our specialised offerings in air conditioning and electrical installations to details about our renewable energy solutions, we cover a wide array of topics. This section is designed to provide you with quick, clear answers and insights into how we work and what you can expect from us.

If you have any further questions or need more information, please feel free to reach out to us.

About GNM Industries

What services does GNM Industries provide?

GNM Industries offers a comprehensive range of services including HVAC system installations and upgrades, electrical wiring and controls, chiller replacements, ductwork solutions, testing and commissioning, and more.

We have the ability to offer turnkey project delivery or portions of projects based on unique and customised client requirements.

How can I request a quote?

Requesting a quote is easy! Simply visit our Contact Us page on the website, fill out the form with your project details, and our team will get back to you promptly.

Alternatively, call our office on 02 4577 7778 to speak with one of our specialised staff.

Are you licenced and insured?

Yes, GNM Industries is fully licenced and insured. Our team of professionals complies with all industry regulations and safety standards to ensure the highest quality of service for our clients.

What types of industries does GNM Industries serve?

We serve a diverse range of industries, including commercial, industrial, and government sectors. Our expertise extends to various environments, from office spaces and manufacturing facilities to data centres and government buildings.

Can GNM Industries handle large-scale projects?

Certainly. Our company has a proven track record of successfully managing and completing large-scale projects. We have the capacity, resources, and expertise to handle projects of varying sizes and complexities.

What areas do you service?

GNM Industries operates throughout NSW, the ACT and Southern QLD.

What sets GNM Industries apart from competitors?

GNM Industries distinguishes itself through a combination of technical expertise, commitment to quality, adherence to safety regulations, and a customer-centric approach. Our tailored solutions and focus on client satisfaction set us apart in the industry.


What types of HVAC systems do you install for commercial and industrial businesses?

We specialise in installing a wide range of HVAC systems, including split systems, rooftop units, chillers, boilers and customised solutions tailored to meet the specific needs of commercial and industrial spaces


How do I determine the right HVAC system for my facility?

Selecting the right system involves considering factors such as building size, usage, occupancy, and energy efficient goals. Our expert team conducts a thorough assessment to recommend the most suitable HVAC solution for your specific requirements


What are the benefits of a split system HVAC installation for my business?

Split systems offer energy efficiency, flexibility in zoning, and ease of installation. They are ideal for spaces with varying heating and cooling needs, providing  precise temperature control.

Can you design and install custom HVAC solutions for unique industrial processes?

Yes, we specialise in designing and installing customised HVAC solutions to meet the unique requirements of the industrial processes. Our team works closely with clients to ensure optimal performance and efficiency.

What is the lifespan of commercial HVAC systems, and how often should they be replaced?

The lifespan varies depending on factors such as system type, usage, and maintenance. On average, commercial HVAC systems last 15-25 years. Our team can assess your system and recommend replacement when necessary.

Do you offer maintenance services for HVAC systems, and how important is regular maintenance?

Yes, we provide comprehensive maintenance services to ensure the longevity and efficiency of your HVAC systems. Regular maintenance is crucial for preventing breakdowns, optimising performance, and reducing energy costs.

Can you handle the installation of ductwork for commercial and industrial HVAC systems?

Absolutely. We specialise in the design and installation of ductwork for HVAC systems, ensuring optimal airflow and distribution throughout your commercial or industrial facility.

What role does energy efficiency play in commercial HVAC installations, and how can it benefit my business?

Energy efficient HVAC systems reduce operational costs and environmental impact. We prioritise energy-efficient solutions, helping businesses achieve sustainability goals while enjoying long-term cost savings.

How disruptive is the HVAC installation process and what measures do you take to minimise disruption to our operations?

We understand the importance of minimising disruptions. Our installation process is carefully planned to ensure efficient execution with minimal impact on your day to day operations. We work closely with clients to schedule installations at convenient times.

What certifications and qualifications does your team possess for HVAC installations?

Our team consists of highly trained and certified professionals with expertise in HVAC design, installation and maintenance. We stay updated on industry standards to provide the highest level of service.

Electrical FAQ's

What types of electrical installations do you specialise in?

We specialise in a wide range of electrical installations, including but not limited to lighting systems, power distribution, control panels, electrical wiring, and smart home solutions for both commercial and domestic clients.


How can upgrading our electrical systems benefit our commercial or industrial facility?

Upgrading electrical systems enhances energy efficiency, improves safety, and ensures compliance with the latest industry standards. It can also accommodate increased electrical loads and support the integration of advanced technology.


Do you offer customised electrical solutions for specific industrial processes?

Yes, we provide tailored electrical solutions to meet the unique requirements of industrial processes. Our team works closely with clients to design and implement systems that optimise efficiency and productivity.

What are the key considerations when planning electrical installations for commercial spaces?

Key considerations include load requirements, energy efficiency, code compliance, and future expansion needs. Our experts conduct a thorough assessment to develop a comprehensive plan that meets your business’s specific electrical needs.

Can you handle the installation of emergency backup systems for commercial and industrial businesses?

Absolutely. We specialise in the installation of emergency backup systems, including generators and uninterruptible power supply (UPS) systems, to ensure business continuity during power outages.

What safety measures are implemented during electrical installations for commercial and industrial spaces?

Safety is our top priority. Our installations adhere to the highest safety standards, including proper grounding, circuit protection, and compliance with relevant codes and regulations.

Do you provide electrical installation services for residential properties?

Yes, we offer electrical installation services for residential properties, covering everything from wiring and lighting to home automation systems. Our expertise extends to both commercial/industrial and domestic projects.

What are the benefits of energy efficient lighting installations for businesses?

Energy efficient lighting reduces operational costs, enhances workplace productivity, and contributes to environmental sustainability. Our team can recommend and install cutting edge lighting solutions tailored to your business needs.

How do you ensure compliance with electrical codes and regulations for commercial and industrial installations?

Our team stays abreast of the latest electrical codes and regulations. We conduct installations with meticulous attention to compliance, obtaining all necessary permits and approvals to ensure the safety and legality of the work.

What is the typical timeline for completing electrical installations for commercial or industrial projects?

Timelines vary based on project size and complexity. Our team provides a detailed project schedule during the consultation phase, ensuring transparency and minimal disruption to your business operations.

Can you provide maintenance services for electrical systems, and how often is maintenance recommended?

Yes, we offer comprehensive maintenance services to ensure the reliability and longevity of your electrical systems. Regular inspections and preventive maintenance are recommended, with frequency depending on usage and industry standards.


What is the purpose of a generator in an industrial or commercial setting?

Generators serve as a reliable backup power source during electrical outages, ensuring that uninterrupted operation of critical systems and preventing costly downtime.


Why should our business invest in a generator installation?

A generator installation provides a safeguard against power failures, preserving productivity, data, integrity, and customer satisfaction. It’s a crucial investment for businesses that cannot afford power interruptions.


What size generator does my business need?

The size of the generator depends on your power requirements during an outage. Our experts will conduct a thorough assessment of your electrical needs to recommend the right generator size for your specific needs.

How long does it take to install a generator for our business?

The installation timeline varies based on the size and complexity of the project. Our team will provide a detailed schedule during the consultation phase, ensuring minimal disruption to your operations.

Are there any government regulations or permits required for generator installations?

Our team is well versed in local regulations and will ensure that your generator installation complies with all necessary permits and codes.

How often should our generator undergo maintenance?

Regular maintenance is crucial for ensuring the reliable performance of your generator. We recommend a routine maintenance schedule, and our team can provide ongoing  support to keep your generator in optimal condition.

Renewables FAQ's

What types of renewable energy systems do you install for commercial and industrial businesses?

We specialise in installing a range of renewable energy systems, including solar photovoltaic (PV) panels, and energy storage solutions tailored to meet the specific needs of commercial and industrial operations.


How can renewable energy benefit my business?

Renewable energy can significantly reduce your electricity bills, lower your carbon footprint, and enhance your corporate sustainability profile. It also provides energy independence and resilience against grid outages.


What factors determine the feasibility of renewable energy installations for my business?

Feasibility depends on factors such as locations, energy consumption patterns, available space, and regulatory environment. Our team conducts a thorough assessment to provide a customised solution based on your unique requirements.

Do you handle both grid-tied and off-grid renewable energy installations?

Yes, we offer both grid-tied and off-grid solutions. Grid-tied systems allow you to offset your electricity usage and even sell excess power back to the grid, while off-grid systems provide independence in remote locations.

What is the typical payback period for a commercial or industrial renewable energy installation?

The payback period varies based on factors such as system size, energy consumption, and available incentives. On average, businesses often see a return on investment within a few years, followed by long-term saving.

Can you integrate renewable energy systems with existing infrastructure and energy management systems?

Absolutely. We have experience integrating renewable energy systems with existing infrastructure and energy management systems to maximise efficiency and seamlessly transition to sustainable energy sources.

How does the installation process work, and how long does it take?

The installation process begins with a site assessment and design phase, followed by installation and commissioning. Timelines vary based on project complexity, but we strive to complete installations efficiently while minimising disruptions to your operations.

What are the environmental benefits of renewable energy installations for businesses?

Switching to renewable energy reduces greenhouse gas emissions, mitigates climate change, and contributes to a cleaner environment. It also aligns with corporate social responsibility goals, enhancing your brand’s environmental stewardship.

Can you assist with residential renewable energy installations as well?

Yes, we offer residential renewable energy installations, providing homeowners with sustainable energy solutions that align with their environmental and financial goals.

Recent Work

Discover Our Latest Project Highlights

Welcome to GNM Industries' Project Showcase. Specialising in a vast array of sophisticated engineering solutions, we excel in delivering high-end projects across multiple domains. Our expertise ranges from intricate HVAC system renewals, innovative electrical infrastructure upgrades, to advanced air conditioning and ductwork enhancements. We pride ourselves on our ability to handle complex renovations like Standby Generator Plant (SGP) upgrades and sustainable building transformations. Our projects demonstrate a keen focus on integrating eco-friendly practices with state-of-the-art technology. Discover how we bring efficiency, sustainability, and cutting-edge design to every undertaking, ensuring each project is a testament to our commitment to excellence and client satisfaction. Explore our diverse project portfolio that reflects our dedication to modernising, upgrading, and transforming facilities to meet the demands of a dynamic world.

Integrated HVAC Upgrade

Engaged for a major HVAC upgrade, we collaborated with the client’s team for detailed planning and execution. Temporary systems ensured uninterrupted operation during the complex process of splitting and upgrading the facility's HVAC system. Comprehensive works included new installations, system enhancements, and integrating advanced control systems, ensuring efficiency and modernisation.

Efficient AC Upgrade

The existing main air conditioning system serving this facility was at the end of its maintainable life span. With this in mind and additional future load increases planned for the site we were engaged to provide both design and construction services to provide a solution for the upgrade of the aging plant along with augmenting the existing supplementary units into the new system.

Standby Generator Plant (SGP) Capacity Enhancement

Our team expertly executed the Standby Generator Plant (SGP) Upgrade, significantly boosting power reliability and capacity. The project entailed detailed audits, temporary solutions, and a new Cummins generator installation, all within a tight space and timeframe. This upgrade exemplifies our commitment to advanced, efficient power solutions.

Complete HVAC System Renewal

This project successfully involved the full replacement of the main air conditioning system, upgrading to high-efficiency Temperzone units. Including asbestos removal, new ductwork, and a custom mechanical services switchboard, the project concluded with system testing and balancing, exemplifying our expertise in modern HVAC solutions.

Ductwork Upgrade

This project skillfully enhanced the ductwork system for a data floor, integrating new outlets for equipment suites. Our proposal included ductwork redesign, dropper, damper, and grille installation, with meticulous air and temperature testing for optimal airflow, demonstrating our commitment to innovative and efficient air distribution solutions.

Switchboard and Electrical Infrastructure Transformation

This major project involved upgrading electrical infrastructure, including a new main switchroom and switchboard, to accommodate increased loads from new equipment. Work included building a fire-rated switchroom, excavating for conduits, and coordinating with supply authorities, culminating in a seamless integration of new emergency lighting and generator systems.

Empowering Tomorrow:

GNM Industries Illuminate NSW Government Schools with Solar Panel Installations

GNM Industries has implemented custom solar solutions in six NSW public schools as part of a government initiative, focusing on environmental responsibility and cost savings. These installations, featuring high-efficiency panels and energy storage, optimise energy efficiency and integrate with existing infrastructure, marking a significant step towards sustainability and reduced energy costs.

Empowering Businesses:

 Solar Panel and Battery Installation Drives Sustainable Solutions

GNM Industries has implemented custom solar solutions in six NSW public schools as part of a government initiative, focusing on environmental responsibility and cost savings. These installations, featuring high-efficiency panels and energy storage, optimise energy efficiency and integrate with existing infrastructure, marking a significant step towards sustainability and reduced energy costs.